v2.4.0.6
Noncovered Loans (Analysis of the Aged Loan Portfolio) (Details) (Noncovered Loans [Member], USD $)
In Thousands, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans $ 2,282,441 $ 1,819,499
30 - 59 Days Past Due 8,917 3,464
60 - 89 Days Past Due 3,530 7,117
Greater than 90 Days Past Due 0 1
Total Past Due 12,447 10,582
Nonaccrual Loans 53,483 89,163
Loans Receivable, Net 2,348,371 1,919,244
Commercial Portfolio Segment [Member] | Secured Loans [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 966,563 720,926
30 - 59 Days Past Due 1,741 919
60 - 89 Days Past Due 2,989 692
Greater than 90 Days Past Due 0 1
Total Past Due 4,730 1,612
Nonaccrual Loans 10,124 31,919
Loans Receivable, Net 981,417 754,457
Commercial Portfolio Segment [Member] | Unsecured Loans [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 46,880 40,455
30 - 59 Days Past Due 407 9
60 - 89 Days Past Due 0 0
Greater than 90 Days Past Due 0 0
Total Past Due 407 9
Nonaccrual Loans 119 448
Loans Receivable, Net 47,406 40,912
Real Estate Portfolio Segment [Member] | One-to-Four Family Residential [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 60,764 46,167
30 - 59 Days Past Due 603 220
60 - 89 Days Past Due 0 0
Greater than 90 Days Past Due 0 0
Total Past Due 603 220
Nonaccrual Loans 2,696 2,996
Loans Receivable, Net 64,063 49,383
Real Estate Portfolio Segment [Member] | Commercial Land [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 46,161 18,979
30 - 59 Days Past Due 781 0
60 - 89 Days Past Due 0 1,752
Greater than 90 Days Past Due 0 0
Total Past Due 781 1,752
Nonaccrual Loans 3,739 4,091
Loans Receivable, Net 50,681 24,822
Real Estate Portfolio Segment [Member] | Owner Occupied [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 394,691 318,508
30 - 59 Days Past Due 829 497
60 - 89 Days Past Due 298 3,752
Greater than 90 Days Past Due 0 0
Total Past Due 1,127 4,249
Nonaccrual Loans 8,971 8,356
Loans Receivable, Net 404,789 331,113
Real Estate Portfolio Segment [Member] | Income Property Multifamily [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 524,225 426,320
30 - 59 Days Past Due 2,872 1,208
60 - 89 Days Past Due 121 121
Greater than 90 Days Past Due 0 0
Total Past Due 2,993 1,329
Nonaccrual Loans 6,775 10,745
Loans Receivable, Net 533,993 438,394
Real Estate Construction Portfolio Segment [Member] | Owner Occupied [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 12,790 11,935
30 - 59 Days Past Due 0 0
60 - 89 Days Past Due 0 0
Greater than 90 Days Past Due 0 0
Total Past Due 0 0
Nonaccrual Loans 0 0
Loans Receivable, Net 12,790 11,935
Real Estate Construction Portfolio Segment [Member] | Land And Acquisition [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 17,249 24,883
30 - 59 Days Past Due 153 214
60 - 89 Days Past Due 0 205
Greater than 90 Days Past Due 0 0
Total Past Due 153 419
Nonaccrual Loans 7,799 11,604
Loans Receivable, Net 25,201 36,906
Real Estate Construction Portfolio Segment [Member] | Residential Construction [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 19,555 24,655
30 - 59 Days Past Due 1,390 0
60 - 89 Days Past Due 0 0
Greater than 90 Days Past Due 0 0
Total Past Due 1,390 0
Nonaccrual Loans 2,986 6,400
Loans Receivable, Net 23,931 31,055
Real Estate Construction Portfolio Segment [Member] | Income Property Multifamily [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 13,810 10,666
30 - 59 Days Past Due 0 0
60 - 89 Days Past Due 0 0
Greater than 90 Days Past Due 0 0
Total Past Due 0 0
Nonaccrual Loans 7,067 7,584
Loans Receivable, Net 20,877 18,250
Consumer Portfolio Segment [Member]
    
Financing Receivable, Recorded Investment, Past Due [Line Items]    
Current Loans 179,753 176,005
30 - 59 Days Past Due 141 397
60 - 89 Days Past Due 122 595
Greater than 90 Days Past Due 0 0
Total Past Due 263 992
Nonaccrual Loans 3,207 5,020
Loans Receivable, Net $ 183,223 $ 182,017