Loans And Allowance For Loan Losses (Classification Of Risk Category Of Loans, By Classes) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 1,821,377	$ 1,779,429	$ 1,449,430	$ 1,449,430
Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,708,512	1,710,969
Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	26,194	9,522
Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	86,401	54,482
Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	270	4,456
Commercial Real Estate [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	862,287	938,462
Commercial Real Estate [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	818,634	902,034
Commercial Real Estate [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	6,286	5,916
Commercial Real Estate [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	37,367	30,512
Commercial Real Estate [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	862,287		759,406
One-To-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	183,693	161,958
One-To-Four Family Residential [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	177,948	157,912
One-To-Four Family Residential [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,286	29
One-To-Four Family Residential [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	4,459	4,017
One-To-Four Family Residential [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	183,693		$ 85,338
Real Estate Mortgage [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable		938,462
Real Estate Mortgage [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable		161,958
Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	196,152	150,407
Real Estate Construction [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	194,507	148,811
Real Estate Construction [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	209	586
Real Estate Construction [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	1,436	1,010
Real Estate Construction [Member] | Real Estate Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	196,152			199,247
Commercial [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	558,472	507,173
Commercial [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	496,890	480,928
Commercial [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	18,246	2,941
Commercial [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	43,066	18,848
Commercial [Member] | Doubtful [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	270	4,456
Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	558,472	507,173		$ 384,788
Construction Loans [Member] | Commercial Real Estate Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	175,805	128,553
Construction Loans [Member] | Residential Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	20,347	21,854
Other [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	20,773	21,429
Other [Member] | Pass [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	20,533	21,284
Other [Member] | Special Mention [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	167	50
Other [Member] | Substandard [Member]
Financing Receivable, Recorded Investment [Line Items]
Loans receivable	$ 73	$ 95