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			6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Mar. 31, 2015	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period		$ 26,219	$ 28,452	$ 26,106	$ 28,452
Loans charged-off			(556)	(4,263)
Recoveries			1,346	648
Provision (credit) for loan losses	$ 10	(1,136)	(3,023)	4,385	(3,023)
Balance at end of period	26,876		26,219	26,876
Individually evaluated for impairment						$ 3,312			$ 3,535
Collectively evaluated for impairment						23,053			22,684
Total ending allowance balance	26,876	26,219	28,452	26,106	28,452	26,876	$ 26,106		26,219
Individually evaluated for impairment						30,051			27,591
Collectively evaluated for impairment						1,784,521			1,417,295
Total ending loans balance						1,821,377	1,779,429	$ 1,449,430	1,449,430
Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired with deteriorated credit quality				511
Acquired With Deteriorated Credit Quality						6,805
Total ending loans balance									4,544
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						862,287	938,462
Commercial Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			13,678	12,716	13,678
Loans charged-off				(3)	(116)
Recoveries				234	151
Provision (credit) for loan losses				(2,234)	(448)
Balance at end of period	10,713	13,265		10,713	13,265
Individually evaluated for impairment						281		1,875
Collectively evaluated for impairment						9,961		11,390
Total ending allowance balance	10,713	13,265	13,678	12,716	13,678	10,713	12,716	13,265
Individually evaluated for impairment						13,192		20,886
Collectively evaluated for impairment						844,739		735,587
Total ending loans balance						862,287		759,406
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				471
Acquired With Deteriorated Credit Quality						4,356
Total ending loans balance								2,933
One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						183,693	161,958
One-To-Four Family Residential [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period			712	700	712
Loans charged-off				(83)	(20)
Recoveries				54	443
Provision (credit) for loan losses				362	(557)
Balance at end of period	1,033	578		1,033	578
Individually evaluated for impairment						116
Collectively evaluated for impairment						917		578
Total ending allowance balance	1,033	578	712	700	712	1,033	700	578
Individually evaluated for impairment						2,187		404
Collectively evaluated for impairment						180,213		83,438
Total ending loans balance						183,693		85,338
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						1,293
Total ending loans balance								$ 1,496
Real Estate Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance							938,462
Real Estate Mortgage [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance							161,958
Construction Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						175,805	128,553
Construction Loans [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						20,347	21,854
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						558,472	507,173
Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period		8,541	9,614	9,965	9,614
Loans charged-off			(343)	(3,801)
Recoveries			583	311
Provision (credit) for loan losses			(1,313)	5,194
Balance at end of period	11,669		8,541	11,669
Individually evaluated for impairment						2,915			1,660
Collectively evaluated for impairment						8,754			6,881
Total ending allowance balance	11,669	8,541	9,614	9,965	9,614	11,669	9,965		8,541
Individually evaluated for impairment						13,880			5,885
Collectively evaluated for impairment						544,221			378,881
Total ending loans balance						558,472	507,173		384,788
Commercial [Member] | Commercial Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired With Deteriorated Credit Quality						371
Total ending loans balance									22
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						196,152	150,407
Real Estate Construction [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period		3,660	4,159	2,533	4,159
Loans charged-off			(21)
Recoveries			31
Provision (credit) for loan losses			(509)	647
Balance at end of period	3,180		3,660	3,180
Collectively evaluated for impairment						3,140			3,660
Total ending allowance balance	3,180	3,660	4,159	2,533	4,159	3,180	2,533		3,660
Individually evaluated for impairment						754			416
Collectively evaluated for impairment						194,646			198,738
Total ending loans balance						196,152			199,247
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						752
Total ending loans balance									93
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Total ending loans balance						20,773	21,429
Other [Member] | Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Balance at beginning of period		175	289	192	289
Loans charged-off			(56)	(376)
Recoveries			138	49
Provision (credit) for loan losses			(196)	416
Balance at end of period	281		175	281
Collectively evaluated for impairment						281			175
Total ending allowance balance	$ 281	$ 175	$ 289	$ 192	$ 289	281	192		175
Individually evaluated for impairment						38
Collectively evaluated for impairment						20,702			20,651
Total ending loans balance						20,773	$ 21,429		$ 20,651
Other [Member] | Consumer Portfolio Segment [Member] | Receivables Acquired with Deteriorated Credit Quality [Member]
Financing Receivable, Recorded Investment [Line Items]
Acquired With Deteriorated Credit Quality						$ 33