Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Current assets
Cash and cash equivalents	$ 82,905	$ 72,786
Current portion of restricted cash	3,347	2,495
Accounts receivable, net	116,405	260,535
Accounts receivable, net - related-party	11,214	11,140
Inventories	52,207	105,020
Current portion of net investments in sales-type leases	12,775	12,225
Other current assets	28,382	26,194
Total current assets	307,235	490,395
Restricted cash	16,104	15,683
Property and equipment, net	1,412,474	1,433,169
Operating lease right-of-use assets	98,598	106,225
Net investments in sales-type leases	409,543	412,908
Investment in equity method investee	22,343	22,051
Other assets	29,331	20,305
Total assets	2,295,628	2,500,736
Current liabilities
Accounts payable	22,515	303,651
Accounts payable to related party	8,951	7,937
Accrued liabilities and other liabilities	112,639	105,034
Current portion of deferred revenue	8,547	9,653
Current portion of long-term debt	19,939	19,046
Current portion of long-term debt - related party	7,250	7,096
Current portion of operating lease liabilities	31,884	30,215
Current portion of finance lease liabilities	21,278	21,903
Current portion of finance lease liabilities - related party	17,118	15,627
Total current liabilities	250,121	520,162
Derivative liabilities	509	2,999
Long-term debt, net	209,729	214,369
Long-term debt, net - related party	250,518	191,217
Operating lease liabilities	71,261	77,936
Finance lease liabilities, long-term	225,036	229,755
Finance lease liabilities - related party	206,589	210,992
Asset retirement obligations	35,296	34,929
Other long-term liabilities	17,741	14,451
Total liabilities	1,266,800	1,496,810
Commitments and contingencies (Note 17)
Equity interest	1,149,666	1,135,769
Related party note receivable	(159)	(6,759)
Accumulated other comprehensive loss	(3,720)	(9,178)	(11,098)
Non-controlling interest	13,560	14,376
Total equity	1,028,828	1,003,926	$ 768,045
Total liabilities and equity	2,295,628	2,500,736
ENE Onshore
Current liabilities
Non-controlling interest	$ (130,519)	$ (130,282)