Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 171,261	$ 164,192
Restricted cash	1,242	1,241
Trade and other receivables, less allowance for credit losses of $14,758 and $14,060 at June 30, 2023 and December 31, 2022, respectively	195,906	156,465
Marine operating supplies	22,495	30,830
Assets held for sale	630	4,195
Prepaid expenses and other current assets	18,958	20,985
Total current assets	410,492	377,908
Net properties and equipment	784,873	796,655
Deferred drydocking and survey costs	92,481	61,080
Other assets	33,640	33,644
Total assets	1,344,164	1,297,656
Current liabilities:
Accounts payable	69,822	38,946
Accrued expenses	91,875	105,518
Current portion of long-term debt	2,441	0
Other current liabilities	42,305	50,323
Total current liabilities	206,443	194,787
Long-term debt	179,573	169,036
Other liabilities	65,621	67,843
Commitments and contingencies
Equity:
Common stock of $0.001 par value, 125,000,000 shares authorized, 50,895,235 and 50,554,179 shares issued and outstanding at June 30, 2023 and December 31, 2022, respectively	51	51
Additional paid-in capital	1,554,793	1,556,990
Accumulated deficit	(666,327)	(699,649)
Accumulated other comprehensive income	4,566	8,576
Total stockholders’ equity	893,083	865,968
Noncontrolling interests	(556)	22
Total equity	892,527	865,990
Total liabilities and equity	1,344,164	1,297,656
Swire Pacific Offshore Holdings Ltd. [Member]
Current assets:
Indemnification assets	$ 22,678	$ 28,369