CONSOLIDATED COMPREHENSIVE INCOME (LOSS) STATEMENTS - 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]
Net income (loss)	$ (955)	$ 6,168	$ 11,631	$ 26,414
Other comprehensive income (loss):
Change in foreign currency translation adjustment	(1,959)	5,005	(784)	(2,774)
Change in foreign currency translation due to sale of Argentina subsidiary	5,425	0	5,425	0
Comprehensive income	$ 2,511	$ 11,173	$ 16,272	$ 23,640