Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 291,320	$ 208,431
Restricted cash	0	54,130
Accounts receivable, net of allowance for credit losses of $3,469 and $0, respectively	132,233	125,457
Other current assets	102,092	50,450
Total current assets	525,645	438,468
Property and equipment	2,948,907	2,922,274
Less accumulated depreciation	(1,165,943)	(1,049,637)
Property and equipment, net	1,782,964	1,872,637
Operating lease right-of-use assets	149,656	201,118
Other assets, net	40,013	84,508
Total assets	2,498,278	2,596,731
Current liabilities:
Accounts payable	50,022	69,055
Accrued liabilities	87,035	62,389
Current maturities of long-term debt	90,651	99,731
Current operating lease liabilities	51,599	53,785
Total current liabilities	279,307	284,960
Long-term debt	258,912	306,122
Operating lease liabilities	101,009	151,827
Deferred tax liabilities	110,821	112,132
Other non-current liabilities	3,878	38,644
Total liabilities	753,927	893,685
Redeemable noncontrolling interests	3,855	3,455
Shareholders’ equity:
Common stock, no par, 240,000 shares authorized, 150,341 and 148,888 shares issued, respectively	1,327,592	1,318,961
Retained earnings	464,524	445,370
Accumulated other comprehensive loss	(51,620)	(64,740)
Total shareholders’ equity	1,740,496	1,699,591
Total liabilities, redeemable noncontrolling interests and shareholders’ equity	$ 2,498,278	$ 2,596,731