Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 323,849	$ 332,191
Accounts receivable, net of allowance for credit losses of $3,700 and $3,407, respectively	219,844	280,427
Other current assets	62,064	85,223
Total current assets	605,757	697,841
Property and equipment	3,067,478	3,078,571
Less accumulated depreciation	(1,537,843)	(1,505,722)
Property and equipment, net	1,529,635	1,572,849
Operating lease right-of-use assets	358,285	169,233
Deferred recertification and dry dock costs, net	73,091	71,290
Other assets, net	47,046	44,823
Total assets	2,613,814	2,556,036
Current liabilities:
Accounts payable	120,375	134,552
Accrued liabilities	163,797	203,112
Current maturities of long-term debt	8,965	48,292
Current operating lease liabilities	54,892	62,662
Total current liabilities	348,029	448,618
Long-term debt	309,199	313,430
Operating lease liabilities	314,351	116,185
Deferred tax liabilities	109,981	110,555
Other non-current liabilities	65,432	66,248
Total liabilities	1,146,992	1,055,036
Commitments and contingencies
Shareholders' equity:
Common stock, no par, 240,000 shares authorized, 152,450 and 152,291 shares issued, respectively	1,270,357	1,271,565
Retained earnings	286,163	312,450
Accumulated other comprehensive loss	(89,698)	(83,015)
Total shareholders' equity	1,466,822	1,501,000
Total liabilities and shareholders' equity	$ 2,613,814	$ 2,556,036