Condensed Financial Statements Of Parent Company (Statements of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments	$ 1,938	$ 622	$ (14)
Interest expense	29,987	25,612	18,380
Income before income taxes	39,583	35,096	21,579
Income tax expense	7,717	7,024	9,664
Net Income	31,866	28,072	11,915
Net income (loss) applicable to common shares	31,866	28,072	11,915
Parent Company [Member]
Dividends from subsidiaries	16,757	10,600	6,500
Other dividends and interest income	54	28	24
Management and service fees from subsidiaries	1,542	1,555	1,964
Total income	18,353	12,183	8,488
Interest expense	949	899	714
Operating expenses	3,755	2,565	2,462
Total expenses	4,704	3,464	3,176
Income before income taxes	13,649	8,719	5,312
Income tax expense	(276)	(374)	(129)
Income before equity in undistributed income of subsidiaries	13,925	9,093	5,441
Equity in undistributed income of subsidiaries	17,941	18,979	6,474
Net Income	$ 31,866	$ 28,072	$ 11,915