CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 319,743	$ 368,030
Accounts receivable, net of allowance for credit losses of $3,795 and $3,682, respectively	327,921	258,630
Other current assets	112,735	83,022
Total current assets	760,399	709,682
Property and equipment	3,199,321	3,068,755
Less accumulated depreciation	(1,745,033)	(1,630,902)
Property and equipment, net	1,454,288	1,437,853
Operating lease right-of-use assets	314,263	329,649
Deferred recertification and dry dock costs, net	97,576	71,718
Other assets, net	46,035	48,178
Total assets	2,672,561	2,597,080
Current liabilities:
Accounts payable	172,255	144,793
Accrued liabilities	104,772	90,455
Current maturities of long-term debt	9,412	9,186
Current operating lease liabilities	61,525	59,982
Total current liabilities	347,964	304,416
Long-term debt	302,200	305,971
Operating lease liabilities	270,119	285,984
Deferred tax liabilities	114,734	113,973
Other non-current liabilities	68,768	66,971
Total liabilities	1,103,785	1,077,315
Commitments and contingencies
Shareholders' equity:
Common stock, no par, 240,000 shares authorized, 146,986 and 150,243 shares issued, respectively	1,219,477	1,252,253
Retained earnings	368,561	368,087
Accumulated other comprehensive loss	(19,262)	(100,575)
Total shareholders' equity	1,568,776	1,519,765
Total liabilities and shareholders' equity	$ 2,672,561	$ 2,597,080