Condensed Financial Statements Of Parent Company (Statements of Income) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Realized securities gains (losses)	$ 1,127	$ 1,444	$ 213
Interest expense	15,084	12,867	15,241
Income before income taxes	25,305	22,995	16,034
Income tax expense	8,008	6,893	4,678
Net Income	17,297	16,102	11,356
Dividends on preferred shares	0	0	771
Net income (loss) applicable to common shares	17,297	16,102	10,585
Parent Company [Member]
Dividends from subsidiaries	5,070	10,000	6,500
Other dividends and interest income	21	19	22
Realized securities gains (losses)	(14)	0	41
Management and service fees from subsidiaries	1,554	1,133	1,189
Total income	6,631	11,152	7,752
Interest expense	663	747	1,845
Operating expenses	2,820	2,390	1,746
Total expenses	3,483	3,137	3,591
Income before income taxes	3,148	8,015	4,161
Income tax expense	(715)	(692)	(739)
Income before equity in undistributed income of subsidiaries	3,863	8,707	4,900
Equity in undistributed income of subsidiaries	13,434	7,395	6,456
Net Income	17,297	16,102	11,356
Dividends on preferred shares	0	0	771
Net income (loss) applicable to common shares	$ 17,297	$ 16,102	$ 10,585