Consolidated Statements of Changes in Equity (Unaudited) - USD ($) $ in Thousands	Total	Equity Interest [Member]	Related Party Note Receivable [Member]	Accumulated other comprehensive loss [Member]	Non-Controlling Interest [Member]	Non-Controlling Interest Onshore [Member]
Begining Balance at Dec. 31, 2020	$ 771,161	$ 902,099	$ 0	$ (14,961)	$ 11,341	$ (127,318)
Net income (loss)	38,023	39,259	0		759	(1,995)
Related party note receivable	(45,000)	0	(45,000)	0	0	0
Other comprehensive income (loss)	3,861	0	0	3,861	0	0
Ending Balance at Mar. 31, 2021	768,045	941,358	(45,000)	(11,100)	12,100	(129,313)
Begining Balance at Dec. 31, 2021	1,003,926	1,135,769	(6,759)	(9,178)	14,376	(130,282)
Net income (loss)	12,844	13,897	0	0	(816)	(237)
Related party note receivable	6,600	0	6,600		0	0
Other comprehensive income (loss)	5,458	0		5,458	0	0
Ending Balance at Mar. 31, 2022	$ 1,028,828	$ 1,149,666	$ (159)	$ (3,720)	$ 13,560	$ (130,519)