Condensed Financial Statements Of Parent Company (Statements Of Cash Flows) (Details) - USD ($) $ in Thousands		12 Months Ended
	Dec. 22, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
CASH FLOWS FROM OPERATING ACTIVITIES
Net income		$ 28,072	$ 11,915	$ 17,297
Adjustments to reconcile net earnings to net cash
Deferred tax (benefit) expense	$ 3,500	(349)	4,076	(357)
Depreciation		2,168	1,887	1,224
Realized securities losses		(622)	14	(1,127)
Share-based compensation expense		391	385	200
Earnings on bank owned life insurance		(1,028)	(707)	(1,059)
(Increase) decrease in other assets		(320)	668	(894)
Increase in other liabilities		3,384	510	2,827
Net cash provided by operating activities		38,521	24,373	23,210
Proceeds from Sale of Debt Securities, Available-for-sale		107,559	152,882	72,453
CASH FLOWS FROM INVESTING ACTIVITIES
Principal payments received on securities available for sale		24,814	31,902	35,881
Purchases of premises and equipment		(5,545)	(6,185)	(1,857)
Proceeds from disposal of premises and equipment		42	0	43
Net cash provided by (used in) investing activities		(71,735)	13,969	(128,551)
CASH FLOWS FROM FINANCING ACTIVITIES
Payments of Ordinary Dividends, Common Stock		(6,545)	(5,238)	(4,272)
Exercise of stock options		122	303	447
Repayment of long-term borrowings		(45,016)	(918)	(28,911)
Payments for Repurchase of Common Stock		(1,689)	0	0
Net proceeds from issuance of common stock		237	10	101
Net cash provided by (used in) financing activities		40,123	(32,327)	142,470
Supplemental Disclosures of Cash Flow Information
Interest		25,426	18,201	15,175
Cash and Cash Equivalents, at Carrying Value		59,540	52,631	46,616	$ 9,487
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net income		28,072	11,915	17,297
Adjustments to reconcile net earnings to net cash
Equity in undistributed net income of subsidiaries		(18,979)	(6,474)	(13,434)
Deferred tax (benefit) expense		(8)	346	(214)
Depreciation		41	39	36
Realized securities losses		0	0	14
Share-based compensation expense		181	174	96
Earnings on bank owned life insurance		7	(1)	5
(Increase) decrease in other assets		(375)	535	(277)
Increase in other liabilities		1,036	512	1,104
Net cash provided by operating activities		9,975	7,046	4,627
Proceeds from Sale of Debt Securities, Available-for-sale		0	0	86
CASH FLOWS FROM INVESTING ACTIVITIES
Purchases of premises and equipment		(86)	(92)	(56)
Proceeds from disposal of premises and equipment		13	60	0
Net cash provided by (used in) investing activities		(73)	(32)	30
CASH FLOWS FROM FINANCING ACTIVITIES
Payments of Ordinary Dividends, Common Stock		(6,545)	(5,238)	(4,272)
Exercise of stock options		122	303	447
Repayment of long-term borrowings		0	(902)	(1,805)
Payments for Repurchase of Common Stock		(1,689)	0	0
Net proceeds from issuance of common stock		237	10	101
Net cash provided by (used in) financing activities		(7,875)	(5,827)	(5,529)
Increase (decrease) in cash		2,027	1,187	(872)
Cash, Ending Balance		4,326	2,299
Supplemental Disclosures of Cash Flow Information
Interest		875	704	654
Cash and Cash Equivalents, at Carrying Value		$ 4,326	$ 2,299	$ 1,112	$ 1,984