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Loans (Delinquency Status of Non-Performing Loans) (Details) - USD ($)
$ in Thousands
Jun. 30, 2015
Dec. 31, 2014
Accounts, Notes, Loans and Financing Receivable [Line Items]    
90 Days or More Past Due and Accruing $ 967 $ 708
Nonperforming Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 13,447 13,875
90 Days or More Past Due and Accruing 967 708
Total Non-Performing Loans 14,414 14,583
Nonperforming Receivable | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 12,657 13,562
90 Days or More Past Due and Accruing 834 286
Total Non-Performing Loans 13,491 13,848
Nonperforming Receivable | Loans Held For Investment | Commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,679 11,164
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 10,679 11,164
Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,881 1,892
90 Days or More Past Due and Accruing 259 286
Total Non-Performing Loans 2,140 2,178
Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 858 864
90 Days or More Past Due and Accruing 259 286
Total Non-Performing Loans 1,117 1,150
Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,023 1,028
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 1,023 1,028
Nonperforming Receivable | Loans Held For Investment | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
90 Days or More Past Due and Accruing 560  
Total Non-Performing Loans 560  
Nonperforming Receivable | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 97 98
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 97 98
Nonperforming Receivable | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 408
90 Days or More Past Due and Accruing 15 0
Total Non-Performing Loans 15 408
Nonperforming Receivable | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 790 313
90 Days or More Past Due and Accruing 133 422
Total Non-Performing Loans 923 735
Nonperforming Receivable | Loans acquired | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 790  
90 Days or More Past Due and Accruing 133  
Total Non-Performing Loans 923  
Nonperforming Receivable | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   313
90 Days or More Past Due and Accruing   422
Total Non-Performing Loans   735
Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 10,679 11,164
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 10,679 11,164
Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 858 864
90 Days or More Past Due and Accruing 259 286
Total Non-Performing Loans 1,117 1,150
Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,023 1,028
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 1,023 1,028
Nonperforming Receivable | Substandard | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 97 98
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 97 98
Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   408
90 Days or More Past Due and Accruing   0
Total Non-Performing Loans   408
Nonperforming Receivable | Substandard | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 790 313
90 Days or More Past Due and Accruing 133 0
Total Non-Performing Loans 923 313
Nonperforming Receivable | Pass | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
90 Days or More Past Due and Accruing 560  
Total Non-Performing Loans 560  
Nonperforming Receivable | Pass | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
90 Days or More Past Due and Accruing 15  
Total Non-Performing Loans 15  
Nonperforming Receivable | Pass | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
90 Days or More Past Due and Accruing   422
Total Non-Performing Loans   422
Loans Held For Investment | Nonperforming Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 13,491 13,848
Loans Held For Investment | Nonperforming Receivable | Commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 10,679 11,164
Loans Held For Investment | Nonperforming Receivable | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 10,679 11,164
Loans Held For Investment | Nonperforming Receivable | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 2,140 2,178
Loans Held For Investment | Nonperforming Receivable | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 1,117 1,150
Loans Held For Investment | Nonperforming Receivable | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 1,023 1,028
Loans Held For Investment | Nonperforming Receivable | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 560 0
Loans Held For Investment | Nonperforming Receivable | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 560 0
Loans Held For Investment | Nonperforming Receivable | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 97 98
Loans Held For Investment | Nonperforming Receivable | Special Mention | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Special Mention | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Special Mention | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Special Mention | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Substandard | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 10,679 11,164
Loans Held For Investment | Nonperforming Receivable | Substandard | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 1,117 1,150
Loans Held For Investment | Nonperforming Receivable | Substandard | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 1,023 1,028
Loans Held For Investment | Nonperforming Receivable | Substandard | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Substandard | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 97 98
Loans Held For Investment | Nonperforming Receivable | Pass | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Pass | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Pass | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans Held For Investment | Nonperforming Receivable | Pass | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 560 0
Loans Held For Investment | Nonperforming Receivable | Pass | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 923 735
Loans acquired | Nonperforming Receivable | Commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 923 735
Loans acquired | Nonperforming Receivable | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 923 735
Loans acquired | Nonperforming Receivable | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Special Mention | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Special Mention | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Special Mention | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Substandard | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0  
Loans acquired | Nonperforming Receivable | Substandard | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 923 313
Loans acquired | Nonperforming Receivable | Substandard | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Pass | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Pass | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 422
Loans acquired | Nonperforming Receivable | Pass | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
Loans acquired | Nonperforming Receivable | Pass | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total Non-Performing Loans 0 0
0-29 Days Past Due | Nonperforming Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 7,016 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 7,016 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 6,498 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 518 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 518 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Loans acquired | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
0-29 Days Past Due | Nonperforming Receivable | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
0-29 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 6,498 0
0-29 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 518 0
0-29 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
0-29 Days Past Due | Nonperforming Receivable | Substandard | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
0-29 Days Past Due | Nonperforming Receivable | Pass | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
0-29 Days Past Due | Nonperforming Receivable | Pass | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
0-29 Days Past Due | Nonperforming Receivable | Pass | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
30-89 Days Past Due | Nonperforming Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 696 683
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 696 683
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 383 395
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 313 190
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 175 190
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 138 0
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 98
30-89 Days Past Due | Nonperforming Receivable | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
30-89 Days Past Due | Nonperforming Receivable | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
30-89 Days Past Due | Nonperforming Receivable | Loans acquired | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
30-89 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 383 395
30-89 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 175 190
30-89 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 138 0
30-89 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 98
30-89 Days Past Due | Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
30-89 Days Past Due | Nonperforming Receivable | Substandard | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
30-89 Days Past Due | Nonperforming Receivable | Pass | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
30-89 Days Past Due | Nonperforming Receivable | Pass | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
30-89 Days Past Due | Nonperforming Receivable | Pass | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,735 13,192
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,945 12,879
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | Commercial mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,798 10,769
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,050 1,702
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 683 674
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 367 1,028
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 97 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 408
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 790 313
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Loans acquired | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 790  
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial mortgage | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,798 10,769
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 683 674
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Substandard | Loans Held For Investment | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 367 1,028
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Substandard | Loans Held For Investment | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 97 0
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Substandard | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   408
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Substandard | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 790 313
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Pass | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Pass | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total $ 0  
Financing Receivables, Equal to Greater than 90 Days Past Due [Member] | Nonperforming Receivable | Pass | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   $ 0