Condensed Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Statement Of Income And Comprehensive Income [Abstract]
Net Income	$ 8,102	$ 4,909
Other Comprehensive Income (Net of Tax):
Net unrealized loss on available-for-sale securities	(20,939)	(6,737)
Reclassification adjustment for realized gain on sale of available-for-sale securities		(293)
Net unrealized loss on available-for-sale securities	(20,939)	(7,030)
Tax benefit	(4,397)	(1,476)
Other comprehensive loss	(16,542)	(5,554)
Comprehensive Loss	$ (8,440)	$ (645)