CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Other Comprehensive Income [Abstract]
Net income	$ 13,526	$ 6,231	$ 28,365	$ 7,788
Other comprehensive income (loss):
Unrealized gain (loss) on marketable securities, net of tax	0	(7)	(1)	(4)
Comprehensive income	$ 13,526	$ 6,224	$ 28,364	$ 7,784