CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets
Cash and cash equivalents	$ 35,100	$ 38,779
Receivables, net	8,060	9,566
Income taxes receivable	4,599	24,989
Inventories	7,166	7,558
Prepaid expenses	7,008	8,537
Total current assets	61,933	89,429
Property and equipment, net	577,795	578,050
Goodwill	25,111	25,111
Intangible assets, net	382	352
Total assets	665,221	692,942
Current liabilities
Current portion of long-term debt		6,693
Accounts payable	15,034	14,418
Construction accounts payable	47,449	49,957
Accrued expenses	43,356	46,037
Short-term lease liability	660	639
Total current liabilities	106,499	117,744
Deferred income taxes	23,016	23,016
Long-term lease liability	12,894	13,228
Long-term debt, net	41,000
Total liabilities	183,409	153,988
Stockholders' equity
Preferred stock, $.01 par value, 10,000,000 shares authorized; none issued
Common stock, $.01 par value, 30,000,000 shares authorized; 19,143,344 shares issued and outstanding at June 30, 2023; 19,096,300 shares issued and 19,093,676 outstanding at December 31, 2022	191	191
Additional paid-in capital	44,670	40,716
Treasury stock, 2,624 shares at December 31, 2022		(170)
Retained earnings	436,951	498,217
Total stockholders' equity	481,812	538,954
Total liabilities and stockholders' equity	$ 665,221	$ 692,942