Noncovered Loans (Analysis of Nonaccrual Loans) (Details) (Noncovered Loans [Member], USD $) In Thousands, unless otherwise specified	Sep. 30, 2013	Dec. 31, 2012
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	$ 35,961	$ 37,395
Unpaid Principal Balance Nonaccrual Loans	58,650	57,877
Consumer Portfolio Segment [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	4,036	1,643
Unpaid Principal Balance Nonaccrual Loans	6,012	1,940
Secured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	11,839	9,037
Unpaid Principal Balance Nonaccrual Loans	18,194	17,821
Unsecured Loans [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	156	262
Unpaid Principal Balance Nonaccrual Loans	181	262
One-to-Four Family Residential [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	2,220	2,349
Unpaid Principal Balance Nonaccrual Loans	4,058	2,672
Commercial Land [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	890	4,076
Unpaid Principal Balance Nonaccrual Loans	1,299	7,491
Income Property Multifamily [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	7,756	8,520
Unpaid Principal Balance Nonaccrual Loans	11,560	10,815
Owner Occupied [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	5,379	6,608
Unpaid Principal Balance Nonaccrual Loans	7,271	7,741
Land And Acquisition [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	3,226	3,084
Unpaid Principal Balance Nonaccrual Loans	8,134	6,704
Residential Construction [Member]
Financing Receivable, Recorded Investment [Line Items]
Recorded Investment Nonaccrual Loans	459	1,816
Unpaid Principal Balance Nonaccrual Loans	$ 1,941	$ 2,431