Loans (Analysis of Nonaccrual Loans) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	$ 21,366	$ 21,464
Unpaid Principal Balance Nonaccrual Loans	35,652	32,263
Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	9,466	9,395
Unpaid Principal Balance Nonaccrual Loans	19,689	15,688
Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	36	42
Unpaid Principal Balance Nonaccrual Loans	216	256
One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	579	820
Unpaid Principal Balance Nonaccrual Loans	1,303	1,866
Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	934	349
Unpaid Principal Balance Nonaccrual Loans	922	332
Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	1,957	2,843
Unpaid Principal Balance Nonaccrual Loans	2,177	3,124
Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	4,161	6,321
Unpaid Principal Balance Nonaccrual Loans	6,842	8,943
Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	0	362
Unpaid Principal Balance Nonaccrual Loans	0	385
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	461	566
Unpaid Principal Balance Nonaccrual Loans	461	679
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,772	766
Unpaid Principal Balance Nonaccrual Loans	$ 4,042	$ 990