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Loans - PCI Loan Pools (Details) - USD ($)
$ in Thousands
Sep. 30, 2018
Dec. 31, 2017
Accounts, Notes, Loans and Financing Receivable [Line Items]    
90 Days or More Past Due and Accruing $ 33 $ 28
Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 9,987 5,508
90 Days or More Past Due and Accruing 33 28
Total Non-Performing Loans 10,020 5,536
Non-Performing Loans | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,321 3,775
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 4,321 3,775
Non-Performing Loans | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,696 3,051
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 3,696 3,051
Non-Performing Loans | Loans Held For Investment | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 550  
90 Days or More Past Due and Accruing 0  
Total Non-Performing Loans 550  
Non-Performing Loans | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 517  
90 Days or More Past Due and Accruing 0  
Total Non-Performing Loans 517  
Non-Performing Loans | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   573
90 Days or More Past Due and Accruing   0
Total Non-Performing Loans   573
Non-Performing Loans | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 75 79
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 75 79
Non-Performing Loans | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   72
90 Days or More Past Due and Accruing   0
Total Non-Performing Loans   72
Non-Performing Loans | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,666 1,733
90 Days or More Past Due and Accruing 33 28
Total Non-Performing Loans 5,699 1,761
Non-Performing Loans | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,432 1,036
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 4,432 1,036
Non-Performing Loans | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   201
90 Days or More Past Due and Accruing   27
Total Non-Performing Loans   228
Non-Performing Loans | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 590  
90 Days or More Past Due and Accruing 33  
Total Non-Performing Loans 623  
Non-Performing Loans | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 567 417
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 567 417
Non-Performing Loans | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 77 77
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 77 77
Non-Performing Loans | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   2
90 Days or More Past Due and Accruing   0
Total Non-Performing Loans   2
Non-Performing Loans | Substandard | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,696 3,051
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 3,696 3,051
Non-Performing Loans | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 517 534
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 517 534
Non-Performing Loans | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 33 39
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 33 39
Non-Performing Loans | Substandard | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 75 79
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 75 79
Non-Performing Loans | Substandard | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   72
90 Days or More Past Due and Accruing   0
Total Non-Performing Loans   72
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 289 205
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 289 205
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 4,143 831
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 4,143 831
Non-Performing Loans | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 370 201
90 Days or More Past Due and Accruing 6 27
Total Non-Performing Loans 376 228
Non-Performing Loans | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 220  
90 Days or More Past Due and Accruing 27  
Total Non-Performing Loans 247  
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 152  
90 Days or More Past Due and Accruing 0  
Total Non-Performing Loans 152  
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 415 417
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 415 417
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 77 77
90 Days or More Past Due and Accruing 0 0
Total Non-Performing Loans 77 77
Non-Performing Loans | Substandard | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   2
90 Days or More Past Due and Accruing   0
Total Non-Performing Loans   2
Non-Performing Loans | Pass | Loans acquired | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
90 Days or More Past Due and Accruing   1
Total Non-Performing Loans   1
Non-Performing Loans | 0-29 Days Past Due    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 872 511
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 75 511
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 432
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 75 79
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 797 0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 518 0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 127  
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 152 0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 432
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 75 79
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 518 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 127  
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 152  
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 0-29 Days Past Due | Pass | Loans acquired | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 30-89 Days Past Due    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,976 1,939
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 273 520
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 314
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 273  
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 240  
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   206
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 30-89 Days Past Due | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,703 1,419
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,088 773
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   201
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 200  
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 415 417
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 28
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 314
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 240 206
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 33 0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,088 773
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 200 201
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 415 417
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 28
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 30-89 Days Past Due | Pass | Loans acquired | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 90 Days or More Past Due    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 5,139 3,058
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,973 2,744
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,696 2,305
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 277  
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 277  
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   367
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 90 Days or More Past Due | Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 1,166 314
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 826 263
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   0
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 263  
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 77 49
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   2
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 3,696 2,305
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 277 328
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 39
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 289 205
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 537 58
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 170 0
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 93  
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0  
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total 0 0
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total $ 77 49
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   2
Non-Performing Loans | 90 Days or More Past Due | Pass | Loans acquired | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Total   $ 0