Condensed Financial Statements Of Parent Company (Statements Of Cash Flows) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 17,297	$ 16,102	$ 11,356
Adjustments to reconcile net earnings to net cash
Deferred tax expense (benefit)	(357)	190	1,004
Depreciation	1,224	1,076	1,074
Realized securities (gains) losses	(1,127)	(1,444)	(213)
Stock compensation expense	200	151	1
Decrease in cash surrender value of bank owned life insurance	(1,059)	(1,032)	(1,088)
(Increase) decrease in other assets	(894)	(1,077)	(55)
Increase in other liabilities	2,827	657	1,521
Net cash provided by operating activities	23,210	23,648	25,602
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sales of securities available for sale	72,453	69,632	80,914
Principal payments received on securities available for sale	35,881	38,502	34,390
Purchase of available for sale securities	(99,497)	(113,677)	(111,438)
Purchases of premises and equipment	(1,857)	(2,588)	(511)
Net cash provided by (used in) investing activities	(128,551)	(58,989)	(64,333)
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid on preferred stock	0	(191)	(774)
Payments of Ordinary Dividends, Common Stock	(4,272)	(3,398)	0
Exercise of stock options	447	51	71
Repayment of long-term borrowings	(28,911)	(1,909)	(86,027)
Repayments of Subordinated Debt	0	(16,800)	0
Payments for Repurchase of Common Stock	0	(1,080)	0
Origination of Loans to Employee Stock Ownership Plans	0	(2,250)	0
Net proceeds from issuance of common stock	101	4,772	7,822
Net cash provided by (used in) financing activities	142,470	32,318	39,459
Supplemental Disclosures of Cash Flow Information
Interest	15,175	12,854	15,862
Parent Company [Member]
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	17,297	16,102	11,356
Adjustments to reconcile net earnings to net cash
Equity in undistributed net income of subsidiaries	(13,434)	(7,395)	(6,456)
Deferred tax expense (benefit)	(214)	(42)	46
Depreciation	36	30	23
Realized securities (gains) losses	14	0	(41)
Stock compensation expense	96	72	1
Decrease in cash surrender value of bank owned life insurance	5	4	1
(Increase) decrease in other assets	(277)	5	19
Increase in other liabilities	1,104	943	57
Net cash provided by operating activities	4,627	9,719	5,006
CASH FLOWS FROM INVESTING ACTIVITIES
Proceeds from sales of securities available for sale	86	0	112
Principal payments received on securities available for sale	0	0	8
Purchase of available for sale securities	0	(70)	0
Purchases of premises and equipment	(56)	(46)	(6)
Net cash provided by (used in) investing activities	30	(116)	114
CASH FLOWS FROM FINANCING ACTIVITIES
Dividends paid on preferred stock	0	(191)	(774)
Payments of Ordinary Dividends, Common Stock	(4,272)	(3,398)	0
Exercise of stock options	447	51	71
Repayment of long-term borrowings	(1,805)	(1,838)	(4,402)
Repayments of Subordinated Debt	0	(16,800)	0
Payments for Repurchase of Common Stock	0	(1,080)	0
Origination of Loans to Employee Stock Ownership Plans	0	(2,250)	0
Net proceeds from issuance of common stock	101	4,772	7,822
Net cash provided by (used in) financing activities	(5,529)	(20,734)	2,717
Increase (decrease) in cash	(872)	(11,131)	7,837
Cash, Beginning Balance	1,984	13,115	5,278
Cash, Ending Balance	1,112	1,984	13,115
Supplemental Disclosures of Cash Flow Information
Interest	$ 654	$ 761	$ 1,909