Long-Term Debt (Details)

v3.20.4

Long-Term Debt (Details) $ / shares in Units, € in Millions, shares in Millions			1 Months Ended							12 Months Ended			24 Months Ended
	Jan. 29, 2021 USD ($)	May 08, 2020	Feb. 28, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jul. 31, 2020 USD ($) $ / shares	Jun. 30, 2020 USD ($)	May 31, 2020 USD ($) D $ / shares	Apr. 30, 2020 USD ($) installment	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($) shares	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)	Dec. 31, 2020 USD ($)	Feb. 28, 2021 EUR (€)	Dec. 31, 2020 EUR (€)	Jul. 31, 2020 EUR (€)	Apr. 30, 2020 EUR (€)	Dec. 31, 2019 EUR (€)
Debt Instrument [Line Items]
Principal amount outstanding				$ 1,552,480,000						$ 1,552,480,000			$ 1,552,480,000
Loss on extinguishment of debt										10,480,000	$ 13,397,000	$ 6,346,000
Beneficial conversion feature										131,240,000
Long term-debt, reclassified				671,100,000						671,100,000			671,100,000
Outstanding principal amount of notes				1,726,811,000						1,726,811,000			1,726,811,000
Interest expense, net										482,300,000	272,900,000	270,400,000
Amortization of deferred financing costs										42,200,000	27,500,000	31,400,000
Accrued interest liability				101,900,000						101,900,000	33,300,000		101,900,000
Loss on extinguishment of and modification debt										27,800,000	16,700,000	$ 6,300,000
Export Credit Backed Securities
Debt Instrument [Line Items]
Principal amount outstanding								$ 386,000,000
Number of installments for amortization | installment								8
Debt holiday period								12 months
Supplemental Agreement
Debt Instrument [Line Items]
Annual debt repayment rate							25
$875.0 million senior secured Revolving Loan Facility
Debt Instrument [Line Items]
Principal amount outstanding				875,000,000						875,000,000			875,000,000
Maximum borrowing capacity				$ 875,000,000.0						$ 875,000,000.0	875,000,000.0		$ 875,000,000.0
Interest Rate				1.90%						1.90%			1.90%		1.90%
$675 Million Senior Secured Revolving Loan Facility
Debt Instrument [Line Items]
Principal amount outstanding									$ 675,000,000
Maximum borrowing capacity									$ 675,000,000
Repayment of Epic credit facility					$ 675,000,000
$675 Million Senior Secured Revolving Loan Facility | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate									0.80%
$675 Million Senior Secured Revolving Loan Facility | Eurocurrency Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate									1.75%
$675 Million Senior Secured Revolving Loan Facility | Base Rate Loans | Base rate loans
Debt Instrument [Line Items]
Basis spread on variable rate									0.75%
$230 Pride of America Term Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 229,558,000						$ 229,558,000	229,621,000		$ 229,558,000
Principal amount				$ 230,000,000				$ 230,000,000		$ 230,000,000	$ 230,000,000		$ 230,000,000
Interest Rate				1.15%						1.15%	2.81%		1.15%		1.15%			2.81%
$230 Pride of America Term Loan | Eurocurrency Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate								1.75%
$230 Pride of America Term Loan | Base Rate Loans | Base rate loans
Debt Instrument [Line Items]
Basis spread on variable rate								0.75%
$260 Million Norwegian Jewel Term Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 221,718,000						$ 221,718,000	$ 221,860,000		$ 221,718,000
Principal amount				$ 260,000,000			$ 260,000,000			$ 260,000,000	$ 260,000,000		$ 260,000,000
Interest Rate				1.52%						1.52%	2.54%		1.52%		1.52%			2.54%
Annual debt repayment rate							25
$260 Million Norwegian Jewel Term Loan | Eurocurrency Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate							2.50%
$260 Million Norwegian Jewel Term Loan | Base Rate Loans | Base rate loans
Debt Instrument [Line Items]
Basis spread on variable rate							1.50%
Private Exchangeable Notes
Debt Instrument [Line Items]
Principal amount outstanding				$ 278,148,000						$ 278,148,000			$ 278,148,000
Principal amount				$ 400,000,000.0			$ 400,000,000			$ 400,000,000.0	$ 400,000,000.0		$ 400,000,000.0
Interest Rate				7.00%						7.00%			7.00%		7.00%
Beneficial conversion feature										$ 131,200,000
Redemption price as a percentage of face amount							100.00%
Percentage of share price on debt instrument							250.00%
Number of specified trading days | D							20
Number of consecutive trading days | D							30
Debt instrument amount							$ 1,000
Ordinary share exchange rate							82.6446
Initial exchange price | $ / shares							$ 12.10
Remaining discount amortization period										5 years 4 months 24 days
Percentage of effective interest rate				15.54%						15.54%			15.54%		15.54%
If-converted value above par value										$ 456,400,000
Shares available | shares										34.2
Private Exchangeable Notes | Maximum
Debt Instrument [Line Items]
Ordinary share exchange rate							90.9090
Private Exchangeable Notes | Accreted Interest [Member] | Debt Instrument, First Year Post Issuance
Debt Instrument [Line Items]
Interest Rate							0.07%
Private Exchangeable Notes | Accreted Interest [Member] | Debt Instrument, Four Years Following First Year Post Issuance
Debt Instrument [Line Items]
Interest Rate							0.045%
Private Exchangeable Notes | Cash Interest | Debt Instrument, Four Years Following First Year Post Issuance
Debt Instrument [Line Items]
Interest Rate							0.03%
Private Exchangeable Notes | Cash Interest | Debt Instrument, Final Year Prior To Maturity
Debt Instrument [Line Items]
Interest Rate							0.075%
Senior Secured Notes Due 2024
Debt Instrument [Line Items]
Principal amount outstanding				$ 650,178,000						$ 650,178,000			$ 650,178,000
Principal amount				$ 675,000,000.0			$ 675,000,000.0			$ 675,000,000.0	675,000,000.0		$ 675,000,000.0
Original issue discount and private offering							99.00%
Interest Rate				12.25%			12.25%			12.25%			12.25%		12.25%
Percentage of principal amount of debt redeemed							35.00%
Percentage of thresholds, after percentage							65.00%
Interest rate													12.25%
Senior Secured Notes Due 2024 | Debt Redemption Prior To February 15, 2024
Debt Instrument [Line Items]
Redemption price as a percentage of face amount							100.00%
Senior Secured Notes Due 2024 | Debt Redemption On Or After February 15, 2024
Debt Instrument [Line Items]
Redemption price as a percentage of face amount							100.00%
Senior Secured Notes Due 2024 | Debt Redemption Prior To February 15, 2022
Debt Instrument [Line Items]
Redemption price as a percentage of face amount							112.25%
2025 Exchangeable Notes
Debt Instrument [Line Items]
Principal amount outstanding				$ 439,390,000						$ 439,390,000			$ 439,390,000
Principal amount				$ 450,000,000.0	$ 450,000,000.0					$ 450,000,000.0	450,000,000.0		$ 450,000,000.0
Interest Rate				5.375%	5.375%					5.375%			5.375%		5.375%	5.375%
Debt instrument amount					$ 1,000
Ordinary share exchange rate					53.3333
Initial exchange price | $ / shares					$ 18.75
Remaining discount amortization period										4 years 7 months 6 days
Percentage of effective interest rate				5.97%						5.97%			5.97%		5.97%
If-converted value above par value										$ 160,300,000
Shares available | shares										24.0
Interest rate													5.375%
2025 Exchangeable Notes | Maximum
Debt Instrument [Line Items]
Ordinary share exchange rate					66.6666
2026 Senior Secured Notes
Debt Instrument [Line Items]
Principal amount outstanding				$ 739,295,000						$ 739,295,000			$ 739,295,000
Principal amount				$ 750,000,000.0	$ 750,000,000.0					$ 750,000,000.0	750,000,000.0		$ 750,000,000.0
Interest Rate				10.25%	10.25%					10.25%			10.25%		10.25%	10.25%
Percentage of principal amount of debt redeemed					35.00%
Percentage of thresholds, after percentage					65.00%
Interest rate													10.25%
2026 Senior Secured Notes | Debt Redemption Prior To August 1, 2023
Debt Instrument [Line Items]
Redemption price as a percentage of face amount					100.00%
2026 Senior Secured Notes | Debt Redemption On Or Prior To August 1, 2023
Debt Instrument [Line Items]
Redemption price as a percentage of face amount					110.25%
Exchangeable Senior Secured Notes Due 2024
Debt Instrument [Line Items]
Principal amount outstanding				$ 834,941,000						$ 834,941,000			$ 834,941,000
Principal amount				$ 862,500,000			$ 862,500,000			$ 862,500,000	862,500,000		$ 862,500,000
Interest Rate				6.00%			6.00%			6.00%			6.00%		6.00%
Debt instrument amount							$ 1,000
Ordinary share exchange rate							72.7273
Initial exchange price | $ / shares							$ 13.75
Remaining discount amortization period										3 years 4 months 24 days
Percentage of effective interest rate				7.07%						7.07%			7.07%		7.07%
If-converted value above par value										$ 732,700,000
Shares available | shares										62.7
Interest rate													6.00%
Exchangeable Senior Secured Notes Due 2024 | Maximum
Debt Instrument [Line Items]
Ordinary share exchange rate							89.4454
Deferred Term A Loans | Fifth Amended And Restated Credit Agreement
Debt Instrument [Line Items]
Percentage of outstanding loans held by lender		87.57%
Annual debt repayment rate		25
Deferred Term A Loans | Fifth Amended And Restated Credit Agreement | Eurocurrency Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate		2.50%
Deferred Term A Loans | Fifth Amended And Restated Credit Agreement | Base Rate Loans | Base rate loans
Debt Instrument [Line Items]
Basis spread on variable rate		1.50%
Deferred Loans | Supplemental Agreement
Debt Instrument [Line Items]
Principal amount outstanding						$ 156,000,000
Explorer Newbuild Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 251,634,000						$ 251,634,000	$ 242,449,000		$ 251,634,000
Interest Rate				3.39%						3.39%	3.43%		3.39%		3.39%			3.43%
Explorer Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate						2.80%
Splendor Newbuild Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 402,177,000						$ 402,177,000			$ 402,177,000
Interest Rate				2.97%						2.97%			2.97%		2.97%
Splendor Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate						1.75%
Marina Newbuild Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 134,821,000						$ 134,821,000	$ 156,319,000		$ 134,821,000
Interest Rate				1.03%						1.03%	2.75%		1.03%		1.03%			2.75%
Marina Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate						0.55%
Riviera Newbuild Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 203,038,000						$ 203,038,000	$ 202,233,000		$ 203,038,000
Interest Rate				0.96%						0.96%	2.48%		0.96%		0.96%			2.48%
Riviera Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate						0.55%
Term Loan A
Debt Instrument [Line Items]
Principal amount outstanding				$ 1,536,417,000						$ 1,536,417,000	$ 1,565,512,000		$ 1,536,417,000
Interest Rate				1.93%						1.93%	3.06%		1.93%		1.93%			3.06%
EUR 529.8 Million Breakaway One Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 307,529,000						$ 307,529,000	$ 305,969,000		$ 307,529,000
Principal amount | €															€ 529.8		€ 529.8	€ 529.8
Interest Rate				1.15%						1.15%	2.84%		1.15%		1.15%			2.84%
EUR 529.8 Million Breakaway One Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate								0.90%
EUR 529.8 Million Breakaway Two Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 343,214,000						$ 343,214,000	$ 370,531,000		$ 343,214,000
Principal amount | €															€ 529.8		529.8	€ 529.8
Interest Rate				3.90%						3.90%	4.10%		3.90%		3.90%			4.10%
EUR 529.8 Million Breakaway Two Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate								1.20%
EUR 590.5 Million Breakaway Three Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 481,085,000						$ 481,085,000	$ 478,665,000		$ 481,085,000
Principal amount | €															€ 590.5		590.5	€ 590.5
Interest Rate				2.83%						2.83%	2.98%		2.83%		2.83%			2.98%
EUR 590.5 Million Breakaway Three Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate								1.50%
EUR 729.9 Million Breakaway Four Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 633,699,000						$ 633,699,000	$ 630,088,000		$ 633,699,000
Principal amount | €															€ 729.9		729.9	€ 729.9
Interest Rate				2.85%						2.85%	2.98%		2.85%		2.85%			2.98%
EUR 729.9 Million Breakaway Four Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate								1.50%
EUR 710.8 Million Seahawk 1 Term Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 695,843,000						$ 695,843,000	$ 692,150,000		$ 695,843,000
Principal amount | €															€ 710.8		710.8	€ 710.8
Interest Rate				3.69%						3.69%	3.92%		3.69%		3.69%			3.92%
EUR 710.8 Million Seahawk 1 Term Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate								1.00%
EUR 748.7 Million Seahawk 2 Term Loan
Debt Instrument [Line Items]
Principal amount outstanding				$ 860,212,000						$ 860,212,000	$ 856,188,000		$ 860,212,000
Principal amount | €															€ 748.7		€ 748.7	€ 748.7
Interest Rate				3.71%						3.71%	3.92%		3.71%		3.71%			3.92%
EUR 748.7 Million Seahawk 2 Term Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate								1.00%
Term loan - newbuild related
Debt Instrument [Line Items]
Principal amount outstanding				$ 26,387,000						$ 26,387,000			$ 26,387,000		€ 21.6
Principal amount | €																€ 31.2
Interest Rate				2.50%	2.50%					2.50%			2.50%		2.50%	2.50%
2026 Senior Unsecured Notes
Debt Instrument [Line Items]
Principal amount outstanding				$ 837,659,000						$ 837,659,000			$ 837,659,000
Principal amount				$ 850,000,000.0						$ 850,000,000.0	$ 850,000,000.0		$ 850,000,000.0
Interest Rate				5.875%						5.875%			5.875%		5.875%
Redemption price as a percentage of face amount				105.875%
Percentage of principal amount of debt redeemed				40.00%
Percentage of thresholds, after percentage				60.00%
Interest rate													5.875%
2026 Senior Unsecured Notes | Debt Redemption Prior To December 15, 2025
Debt Instrument [Line Items]
Redemption price as a percentage of face amount				100.00%
2026 Senior Unsecured Notes | Debt Redemption on or after December 15, 2025
Debt Instrument [Line Items]
Redemption price as a percentage of face amount				100.00%
Interest expense, net
Debt Instrument [Line Items]
Debt modification cost										$ 17,300,000
Loss on extinguishment of debt										5,000,000.0
Interest expense, net | $675 Million Senior Secured Revolving Loan Facility
Debt Instrument [Line Items]
Loss on extinguishment of debt										$ 5,500,000
Subsequent Event | First Amendment
Debt Instrument [Line Items]
Covenant, minimum liquidity	$ 200,000,000
Subsequent Event | Deferred Term A Loans | First Amendment
Debt Instrument [Line Items]
Deferred amortization payments	$ 70,000,000
Subsequent Event | Deferred Term A-1 Loans | First Amendment
Debt Instrument [Line Items]
Annual debt repayment rate	25
Subsequent Event | Deferred Term A-1 Loans | First Amendment | Eurocurrency Loans | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	2.50%
Subsequent Event | Deferred Term A-1 Loans | First Amendment | Base Rate Loans
Debt Instrument [Line Items]
Basis spread on variable rate	1.50%
Subsequent Event | Term A-2 Loans | First Amendment
Debt Instrument [Line Items]
Annual debt repayment rate	5.88
Subsequent Event | Term A-2 Loans | First Amendment | Covenant Relief Period December 31, 2022 | LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	2.00%
Subsequent Event | Term A-2 Loans | First Amendment | Covenant Relief Period December 31, 2022 | Base rate loans
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Subsequent Event | Deferred Loans
Debt Instrument [Line Items]
Deferred amortization payments			$ 680,000,000
Subsequent Event | Deferred Loans | Covenant Relief Period December 31, 2022 | Export Credit Backed Securities | Minimum
Debt Instrument [Line Items]
Liquidity fund	$ 200,000,000
Subsequent Event | Deferred Loans | Second Deferral Period
Debt Instrument [Line Items]
Annual debt repayment rate			20
Subsequent Event | Explorer Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			3.00%
Subsequent Event | Splendor Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.95%
Subsequent Event | Marina Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			0.75%
Subsequent Event | Riviera Newbuild Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			0.75%
Subsequent Event | EUR 529.8 Million Breakaway One Loan
Debt Instrument [Line Items]
Principal amount | €														€ 529.8
Subsequent Event | EUR 529.8 Million Breakaway One Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.10%
Subsequent Event | EUR 529.8 Million Breakaway Two Loan
Debt Instrument [Line Items]
Principal amount | €														529.8
Subsequent Event | EUR 529.8 Million Breakaway Two Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.40%
Subsequent Event | EUR 590.5 Million Breakaway Three Loan
Debt Instrument [Line Items]
Principal amount | €														590.5
Subsequent Event | EUR 590.5 Million Breakaway Three Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.50%
Subsequent Event | EUR 729.9 Million Breakaway Four Loan
Debt Instrument [Line Items]
Principal amount | €														729.9
Subsequent Event | EUR 729.9 Million Breakaway Four Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.50%
Subsequent Event | EUR 710.8 Million Seahawk 1 Term Loan
Debt Instrument [Line Items]
Principal amount | €														710.8
Subsequent Event | EUR 710.8 Million Seahawk 1 Term Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.20%
Subsequent Event | EUR 748.7 Million Seahawk 2 Term Loan
Debt Instrument [Line Items]
Principal amount | €														€ 748.7
Subsequent Event | EUR 748.7 Million Seahawk 2 Term Loan | Six Months London Interbank Offered Rate Libor
Debt Instrument [Line Items]
Basis spread on variable rate			1.20%
NCLC | $875.0 million senior secured Revolving Loan Facility
Debt Instrument [Line Items]
Principal amount outstanding									$ 875,000,000