Consolidated Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets
Cash and cash equivalents	$ 62,234	$ 73,343
Restricted cash	726	1,621
Trade receivables, net of allowance for doubtful accounts of $5.0 million, each period	50,732	37,527
Materials and supplies	38,143	37,580
Assets held for sale	150,465	117,117
Prepaid expenses and other current assets	14,772	18,309
Total current assets	317,072	285,497
Property and equipment
Property and equipment	645,622	645,622
Accumulated depreciation	(276,751)	(266,018)
Property and equipment, net	368,871	379,604
Operating lease ROU assets	2,049	2,450
Other assets	31,915	31,843
Total assets	719,907	699,394
Current liabilities
Accounts payable	45,836	31,420
Other current liabilities	42,692	31,533
Liabilities held for sale	15,985	6,720
Total current liabilities	104,513	69,673
Long-term debt, net of discount and financing costs of $2,732 and $3,412, respectively	347,268	346,858
Other long-term liabilities	16,504	17,012
Commitments and contingencies (see Note 8)
Shareholders' equity
Ordinary shares, $0.001 par value, 50 million shares authorized; 13,115,026 shares issued and outstanding, respectively	13	13
Additional paid-in capital	633,810	633,847
Accumulated deficit	(384,690)	(369,792)
Controlling interest shareholders' equity	249,133	264,068
Noncontrolling interests	2,489	1,783
Total equity	251,622	265,851
Total liabilities and shareholders' equity	$ 719,907	$ 699,394