CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Consolidated net income (loss)	$ 23,433	$ (1,148)	$ 54,429	$ (16,964)
Other comprehensive (loss) income, before income tax:
Unrealized foreign currency translation (loss) gain	(2)	33	(32)	(54)
Taxes on other comprehensive loss:
Income tax effect related to unrealized foreign currency translation	0	0	0	0
Other comprehensive (loss) income, net of tax	(2)	33	(32)	(54)
Comprehensive income (loss)	23,431	(1,115)	54,397	(17,018)
Less: Net income attributable to noncontrolling interest in subsidiary	0	186	0	610
Comprehensive income (loss) attributable to common shareholders	$ 23,431	$ (1,301)	$ 54,397	$ (17,628)