Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 332,191	$ 186,604
Restricted cash		2,507
Accounts receivable, net of allowance for credit losses of $3,407 and $2,277, respectively	280,427	212,779
Other current assets	85,223	58,699
Total current assets	697,841	460,589
Property and equipment	3,078,571	3,016,312
Less accumulated depreciation	(1,505,722)	(1,374,697)
Property and equipment, net	1,572,849	1,641,615
Operating lease right-of-use assets	169,233	197,849
Deferred recertification and dry dock costs, net	71,290	38,778
Other assets, net	44,823	50,507
Total assets	2,556,036	2,389,338
Current liabilities:
Accounts payable	134,552	135,267
Accrued liabilities	203,112	73,574
Current maturities of long-term debt	48,292	38,200
Current operating lease liabilities	62,662	50,914
Total current liabilities	448,618	297,955
Long-term debt	313,430	225,875
Operating lease liabilities	116,185	154,686
Deferred tax liabilities	110,555	98,883
Other non-current liabilities	66,248	95,230
Total liabilities	1,055,036	872,629
Commitments and contingencies
Shareholders' equity:
Common stock, no par, 240,000 shares authorized, 152,291 and 151,935 shares issued, respectively	1,271,565	1,298,740
Retained earnings	312,450	323,288
Accumulated other comprehensive loss	(83,015)	(105,319)
Total shareholders' equity	1,501,000	1,516,709
Total liabilities and shareholders' equity	$ 2,556,036	$ 2,389,338