Loans And Allowance For Loan Losses (By Balance In The Allowance For Loan Losses And The Recorded Investment In Loans Portfolio Classification Disaggregated On The Basis Of Impairment Evaluation Method) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Dec. 31, 2015	Sep. 30, 2015
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			$ 26,106	$ 28,452
Loans charged-off			(4,889)	(781)
Recoveries			1,137	1,922
Provision (credit) for loan losses	$ 1,713	$ 23	6,098	(3,000)
Balance at end of period	28,452	26,593	28,452	26,593
Individually evaluated for impairment					$ 4,629		$ 4,811
Collectively evaluated for impairment					23,783		21,782
Total ending allowance balance	28,452	26,593	26,106	28,452	28,452	$ 26,106	26,593
Individually evaluated for impairment					21,628		34,340
Collectively evaluated for impairment					1,853,609		1,510,037
Total ending loans balance					1,880,112	1,779,429	1,548,094
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired with deteriorated credit quality			40
Acquired With Deteriorated Credit Quality					4,875
Total ending loans balance							3,717
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					893,807	938,462
Commercial Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			12,716	13,678
Loans charged-off			(193)	(184)
Recoveries			316	195
Provision (credit) for loan losses			(698)	(950)
Balance at end of period	12,141	12,739	12,141	12,739
Individually evaluated for impairment					1,741		1,946
Collectively evaluated for impairment					10,400		10,793
Total ending allowance balance	12,141	12,739	12,716	13,678	12,141	12,716	12,739
Individually evaluated for impairment					7,743		20,644
Collectively evaluated for impairment					883,551		845,946
Total ending loans balance					893,807	938,462	869,250
Commercial Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired With Deteriorated Credit Quality					2,513
Total ending loans balance							2,660
One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					193,678	161,958
One-To-Four Family Residential [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			700	712
Loans charged-off			(134)	(20)
Recoveries			60	511
Provision (credit) for loan losses			492	(547)
Balance at end of period	1,118	656	1,118	656
Individually evaluated for impairment					88		14
Collectively evaluated for impairment					1,030		642
Total ending allowance balance	1,118	656	700	712	1,118	700	656
Individually evaluated for impairment					1,794		715
Collectively evaluated for impairment					190,620		94,243
Total ending loans balance					193,678	161,958	95,906
One-To-Four Family Residential [Member] | Residential Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired With Deteriorated Credit Quality					1,264
Total ending loans balance							948
Construction Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					184,211	129,070
Construction Loans [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					22,460	21,337
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					566,403	507,173
Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			9,965	9,614
Loans charged-off			(4,109)	(422)
Recoveries			683	988
Provision (credit) for loan losses			5,023	102
Balance at end of period	11,562	10,282	11,562	10,282
Individually evaluated for impairment					2,800		2,851
Collectively evaluated for impairment					8,762		7,431
Total ending allowance balance	11,562	10,282	9,965	9,614	11,562	9,965	10,282
Individually evaluated for impairment					11,701		12,443
Collectively evaluated for impairment					554,382		411,021
Total ending loans balance					566,403	507,173	423,480
Commercial [Member] | Commercial Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired With Deteriorated Credit Quality					320
Total ending loans balance							16
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					206,671	150,407
Real Estate Construction [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			2,533	4,159
Loans charged-off				(21)
Recoveries				47
Provision (credit) for loan losses			798	(1,449)
Balance at end of period	3,331	2,736	3,331	2,736
Collectively evaluated for impairment					3,291		2,736
Total ending allowance balance	3,331	2,736	2,533	4,159	3,331	2,533	2,736
Individually evaluated for impairment					390		391
Collectively evaluated for impairment					205,526		138,790
Total ending loans balance					206,671		139,273
Real Estate Construction [Member] | Real Estate Construction [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired with deteriorated credit quality			40
Acquired With Deteriorated Credit Quality					755
Total ending loans balance							92
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance					19,553	21,429
Other [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			192	289
Loans charged-off			(453)	(134)
Recoveries			78	181
Provision (credit) for loan losses			483	(156)
Balance at end of period	300	180	300	180
Collectively evaluated for impairment					300		180
Total ending allowance balance	$ 300	$ 180	$ 192	$ 289	300	192	180
Individually evaluated for impairment							147
Collectively evaluated for impairment					19,530		20,037
Total ending loans balance					19,553	$ 21,429	20,185
Other [Member] | Consumer Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired With Deteriorated Credit Quality					$ 23
Total ending loans balance							$ 1