Loans And Allowance For Loan Losses (Classification Of Risk Category Of Loans, By Classes) (Details) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 1,877,132	$ 1,779,429	$ 1,399,991
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,778,022	1,710,969
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	38,821	9,522
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	59,894	54,482
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	395	4,456
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	220,059	150,407	197,123
Real Estate Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	210,780	148,811
Real Estate Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	7,720	586
Real Estate Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,559	1,010
Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	556,248	507,173	350,410
Commercial Portfolio Segment [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	498,039	480,928
Commercial Portfolio Segment [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	24,639	2,941
Commercial Portfolio Segment [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	33,175	18,848
Commercial Portfolio Segment [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	395	4,456
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	19,631	21,429	21,956
Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	19,518	21,284
Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable		50
Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	113	95
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	882,071	938,462	752,971
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	857,290	902,034
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	4,479	5,916
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	20,302	30,512
Commercial Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	882,071	938,462
Commercial Real Estate [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	199,113	129,070
One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	199,123	161,958	$ 77,531
One-To-Four Family Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	192,395	157,912
One-To-Four Family Residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,983	29
One-To-Four Family Residential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	4,745	4,017
One-To-Four Family Residential [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	199,123	161,958
One-To-Four Family Residential [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 20,946	$ 21,337