Noncovered Loans (Analysis of Nonaccrual Loans) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	$ 27,998	$ 34,015
Unpaid Principal Balance Nonaccrual Loans	44,872	52,434
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,496	3,991
Unpaid Principal Balance Nonaccrual Loans	4,980	6,187
Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	11,199	12,433
Unpaid Principal Balance Nonaccrual Loans	16,666	19,186
Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	291	176
Unpaid Principal Balance Nonaccrual Loans	301	202
One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,513	2,667
Unpaid Principal Balance Nonaccrual Loans	5,825	4,678
Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	488	442
Unpaid Principal Balance Nonaccrual Loans	788	783
Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,998	4,267
Unpaid Principal Balance Nonaccrual Loans	6,486	5,383
Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,982	6,334
Unpaid Principal Balance Nonaccrual Loans	6,144	7,486
Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	573	3,246
Unpaid Principal Balance Nonaccrual Loans	1,754	6,601
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	458	459
Unpaid Principal Balance Nonaccrual Loans	$ 1,928	$ 1,928