Noncovered Loans (Analysis of Nonaccrual Loans) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Mar. 31, 2014	Dec. 31, 2013
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	$ 36,397	$ 34,015
Unpaid Principal Balance Nonaccrual Loans	54,799	52,434
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	4,880	3,991
Unpaid Principal Balance Nonaccrual Loans	6,804	6,187
Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	14,255	12,433
Unpaid Principal Balance Nonaccrual Loans	20,481	19,186
Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	286	176
Unpaid Principal Balance Nonaccrual Loans	316	202
One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	2,900	2,667
Unpaid Principal Balance Nonaccrual Loans	5,112	4,678
Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	775	442
Unpaid Principal Balance Nonaccrual Loans	1,101	783
Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	5,038	4,267
Unpaid Principal Balance Nonaccrual Loans	6,118	5,383
Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	5,237	6,334
Unpaid Principal Balance Nonaccrual Loans	7,397	7,486
Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	2,494	3,246
Unpaid Principal Balance Nonaccrual Loans	5,469	6,601
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	532	459
Unpaid Principal Balance Nonaccrual Loans	$ 2,001	$ 1,928