Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Consolidated Statements Of Comprehensive Income [Abstract]
Net income	$ 12,481	$ 11,388	$ 24,564	$ 22,655
Other comprehensive income (loss):
Change in net unrealized holding gains or losses on available-for-sale securities	(23,661)	3,747	(65,217)	(4,120)
Change in net unrealized loss on derivative instruments	203	886	1,750	2,500
Other comprehensive income (loss) before income taxes	(23,458)	4,633	(63,467)	(1,620)
Income tax expense (benefit)	(7,227)	1,426	(19,552)	(432)
Other comprehensive income (loss)	(16,231)	3,207	(43,915)	(1,188)
Comprehensive income (loss)	$ (3,750)	$ 14,595	$ (19,351)	$ 21,467