CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net earnings	$ 9,253	$ 10,134	$ 30,647	$ 17,487
Other comprehensive income (loss):
Unrealized gains (losses) on securities, net of tax	1,654	397	(1,268)	12,094
Unrealized gains (losses) on interest rate swaps
Unrealized holding gains (losses) arising during the period	62	99	534	(730)
Reclassification of realized losses on interest rate swap termination from accumulated other comprehensive income	466		466
Unrealized gains (losses) on interest rate swaps	528	99	1,000	(730)
Total other comprehensive income (loss)	2,182	496	(268)	11,364
Comprehensive income	$ 11,435	$ 10,630	$ 30,379	$ 28,851