Condensed Financial Statements Of Parent Company (Statements of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments	$ 622	$ (14)	$ 1,127
Interest expense	25,612	18,380	15,084
Income before income taxes	35,096	21,579	25,305
Income tax expense	7,024	9,664	8,008
Net Income	28,072	11,915	17,297
Net income (loss) applicable to common shares	28,072	11,915	17,297
Parent Company [Member]
Dividends from subsidiaries	10,600	6,500	5,070
Other dividends and interest income	28	24	21
Available-for-sale Securities, Gross Realized Gain (Loss), Excluding Other than Temporary Impairments	0	0	(14)
Management and service fees from subsidiaries	1,555	1,964	1,554
Total income	12,183	8,488	6,631
Interest expense	899	714	663
Operating expenses	2,565	2,462	2,820
Total expenses	3,464	3,176	3,483
Income before income taxes	8,719	5,312	3,148
Income tax expense	(374)	(129)	(715)
Income before equity in undistributed income of subsidiaries	9,093	5,441	3,863
Equity in undistributed income of subsidiaries	18,979	6,474	13,434
Net Income	$ 28,072	$ 11,915	$ 17,297