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Loans - Loans Held-for-Investment by Performing and Non-Performing Loans (Details) - USD ($)
$ in Thousands
Mar. 31, 2019
Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net $ 2,727,852 $ 2,678,877
Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 8,428 9,162
Non-Performing Loans 8,461 9,195
Loans Held For Investment    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 2,727,852 2,678,877
Loans Held For Investment | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 502,849 499,860
Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 79,492 79,312
Loans Held For Investment | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 423,357 420,548
Loans Held For Investment | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 79,101 78,917
Loans Held For Investment | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 412,574 409,155
Loans Held For Investment | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 9,658 10,256
Loans Held For Investment | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 391 395
Loans Held For Investment | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,125 1,137
Loans Held For Investment | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 91,873 92,433
Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 57,784 57,065
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]    
Originated loans held-for-investment, net 34,089 35,368
Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 55,956 54,912
Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 33,751 34,808
Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,088 1,406
Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 338 560
Loans Held For Investment | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 740 747
Loans Held For Investment | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 30,199 26,613
Loans Held For Investment | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 30,199 26,613
Loans Held For Investment | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,981,444 1,933,946
Loans Held For Investment | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 197,675 170,832
Loans Held For Investment | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,783,769 1,763,114
Loans Held For Investment | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 197,675 170,832
Loans Held For Investment | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,777,587 1,756,882
Loans Held For Investment | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 5,575 5,619
Loans Held For Investment | Real Estate | Multifamily | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 607 613
Loans Held For Investment | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 81,136 80,315
Loans Held For Investment | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 80,902 80,077
Loans Held For Investment | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 208 211
Loans Held For Investment | Real Estate | Home equity and lines of credit | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 26 27
Loans Held For Investment | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 39,016 44,190
Loans Held For Investment | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 38,448 43,640
Loans Held For Investment | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 148 120
Loans Held For Investment | Commercial and Industrial | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 420 430
Loans Held For Investment | Other | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,335 1,520
Loans Held For Investment | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 2,724,881 2,675,361
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 500,541 496,985
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 79,492 79,312
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 421,049 417,673
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 79,101 78,917
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 412,574 409,155
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 7,350 7,381
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 391 395
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,125 1,137
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 91,337 91,891
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 57,279 56,555
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 34,058 35,336
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 55,956 54,912
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 33,751 34,808
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 583 896
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 307 528
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 740 747
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 30,199 26,613
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 30,199 26,613
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,981,444 1,933,946
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 197,675 170,832
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,783,769 1,763,114
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 197,675 170,832
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,777,587 1,756,882
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 5,575 5,619
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 607 613
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 81,064 80,241
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 80,902 80,077
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 136 137
Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 26 27
Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 38,961 44,165
Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 38,448 43,640
Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 93 95
Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 420 430
Loans Held For Investment | Performing (Accruing) Loans | Other | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,335 1,520
Loans Held For Investment | Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 2,971 3,516
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 2,308 2,875
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 2,308 2,875
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 2,308 2,875
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 536 542
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 505 510
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 31 32
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 505 510
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 31 32
Loans Held For Investment | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Multifamily | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 72 74
Loans Held For Investment | Non-Performing Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 72 74
Loans Held For Investment | Non-Performing Loans | Real Estate | Home equity and lines of credit | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 55 25
Loans Held For Investment | Non-Performing Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 55 25
Loans Held For Investment | Non-Performing Loans | Commercial and Industrial | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans Held For Investment | Non-Performing Loans | Other | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 509,116 546,150
Loans acquired | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1  
Loans acquired | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 134,488 133,263
Loans acquired | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 43,070 43,767
Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 91,418 89,496
Loans acquired | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 39,984 41,071
Loans acquired | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 75,838 74,735
Loans acquired | Real Estate | Commercial | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 2,008 1,617
Loans acquired | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 11,145 10,318
Loans acquired | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 1,078 1,079
Loans acquired | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 4,435 4,443
Loans acquired | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 208,461 225,877
Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 190,233 206,127
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]    
Originated loans held-for-investment, net 18,228 19,750
Loans acquired | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 189,916 205,270
Loans acquired | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 17,983 19,504
Loans acquired | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 317 442
Loans acquired | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 245 246
Loans acquired | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net   415
Loans acquired | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 8,142 12,003
Loans acquired | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 8,142 12,003
Loans acquired | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 132,649 145,485
Loans acquired | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 128,163 137,345
Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 4,486 8,140
Loans acquired | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 128,090 137,141
Loans acquired | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 4,078 7,726
Loans acquired | Real Estate | Multifamily | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 48 152
Loans acquired | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 408 414
Loans acquired | Real Estate | Multifamily | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 25 52
Loans acquired | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 15,292 17,583
Loans acquired | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 15,138 17,427
Loans acquired | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 154 156
Loans acquired | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 10,083 11,933
Loans acquired | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 10,083 11,933
Loans acquired | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net   0
Loans acquired | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net   6
Loans acquired | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 503,626 540,471
Loans acquired | Performing (Accruing) Loans | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1  
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 130,087 128,847
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 42,792 43,486
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 87,295 85,361
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 39,984 41,071
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 75,838 74,735
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,730 1,336
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 7,022 6,183
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,078 1,079
Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,435 4,443
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 207,905 225,257
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 189,922 205,753
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 17,983 19,504
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 189,916 205,270
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 17,983 19,504
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 6 68
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   415
Loans acquired | Performing (Accruing) Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 8,142 12,003
Loans acquired | Performing (Accruing) Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 8,142 12,003
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 132,193 144,919
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 128,115 137,193
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,078 7,726
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 128,090 137,141
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,078 7,726
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 25 52
Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 15,215 17,506
Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 15,138 17,427
Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 77 79
Loans acquired | Performing (Accruing) Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 10,083 11,933
Loans acquired | Performing (Accruing) Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 10,083 11,933
Loans acquired | Performing (Accruing) Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   0
Loans acquired | Performing (Accruing) Loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   6
Loans acquired | Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 5,490 5,679
Loans acquired | Non-Performing Loans | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0  
Loans acquired | Non-Performing Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 4,401 4,416
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 278 281
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 4,123 4,135
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 278 281
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 4,123 4,135
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 556 620
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 311 374
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 245 246
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 311 374
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 245 246
Loans acquired | Non-Performing Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans   0
Loans acquired | Non-Performing Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 456 566
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 48 152
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 408 414
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 48 152
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 408 414
Loans acquired | Non-Performing Loans | Real Estate | Multifamily | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 77 77
Loans acquired | Non-Performing Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 77 77
Loans acquired | Non-Performing Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 0 0
Loans acquired | Non-Performing Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans   0
Loans acquired | Non-Performing Loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans   0
Total Loans Include Loans Acquired    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Originated loans held-for-investment, net 3,236,968 3,225,027
Total Loans Include Loans Acquired | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 3,228,507 3,215,832
Total Loans Include Loans Acquired | Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Non-Performing Loans 8,461 9,195
0-29 Days Past Due | Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,523 440
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 2,718,864 2,671,140
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 498,296 496,047
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 78,884 78,699
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 419,412 417,348
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 78,884 78,699
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 412,254 408,830
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 6,033 7,381
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,125 1,137
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 88,056 90,576
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 54,228 55,472
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 33,828 35,104
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 53,527 54,576
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 33,521 34,576
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 583 896
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 307 528
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 118 0
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 30,199 26,613
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 30,199 26,613
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,981,444 1,931,980
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 197,675 170,534
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,783,769 1,761,446
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 197,675 170,534
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,777,587 1,756,443
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 5,575 4,390
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 607 613
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 80,723 80,241
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 80,561 80,077
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 136 137
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 26 27
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 38,819 44,165
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 38,333 43,640
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 93 95
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 393 430
0-29 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Other | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,327 1,518
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 500,991 536,130
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1  
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 128,059 127,408
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 42,048 43,335
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 86,011 84,073
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 39,794 41,071
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 75,688 73,986
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,176 1,185
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 6,015 5,772
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,078 1,079
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,308 4,315
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 207,343 222,452
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 189,360 202,948
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 17,983 19,504
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 189,354 202,471
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 17,983 19,504
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 6 62
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   415
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 8,142 12,003
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 8,142 12,003
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 132,168 144,867
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 128,090 137,141
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,078 7,726
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 128,090 137,141
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 4,078 7,726
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 15,195 17,506
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 15,118 17,427
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 77 79
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 10,083 11,888
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 10,083 11,888
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   0
0-29 Days Past Due | Loans acquired | Performing (Accruing) Loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   6
0-29 Days Past Due | Total Loans Include Loans Acquired | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 3,219,855 3,207,270
30-89 Days Past Due | Non-Performing Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 428 2,128
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 6,017 4,221
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 2,245 938
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 608 613
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,637 325
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 217 218
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 320 325
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,317 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 391 395
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 3,281 1,315
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 3,051 1,083
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 230 232
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 2,429 336
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 230 232
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 622 747
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 1,966
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 298
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 1,668
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 298
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 439
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 1,229
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Multifamily | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 341 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 341 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 142 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 115 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Commercial and Industrial | Special Mention    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 27 0
30-89 Days Past Due | Loans Held For Investment | Performing (Accruing) Loans | Other | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 8 2
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 2,635 4,341
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0  
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 2,028 1,439
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 744 151
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,284 1,288
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 190 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 150 749
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 554 151
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 1,007 411
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Commercial | Special Mention | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 127 128
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 562 2,805
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 562 2,805
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 562 2,799
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Pass | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 6
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Substandard | Equal to or Greater than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | One-to-four family residential mortgage | Special Mention | Less Than 60% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Construction and land    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Construction and land | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 25 52
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 25 52
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Pass | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Substandard | Equal to or Greater than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Multifamily | Special Mention | Less Than 35% LTV    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 25 52
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 20 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 20 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Real Estate | Home equity and lines of credit | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Commercial and Industrial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 0 45
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Commercial and Industrial | Pass    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans 45
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Commercial and Industrial | Substandard    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   0
30-89 Days Past Due | Loans acquired | Performing (Accruing) Loans | Other    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans   0
30-89 Days Past Due | Total Loans Include Loans Acquired | Performing (Accruing) Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Performing (Accruing) Loans $ 8,652 $ 8,562