Loans - PCI Loan Pools (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
90 Days or More Past Due and Accruing	$ 656	$ 518
Originated loans held-for-investment, net	3,098,760	2,987,067
Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans held-for-investment, net	3,098,760
Pass | Loans Held For Investment | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Originated loans held-for-investment, net	1,205
Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	8,771	9,433
90 Days or More Past Due and Accruing	656	518
Total Non-Performing Loans	9,427	9,951
Non-Performing Loans | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,775	3,094
90 Days or More Past Due and Accruing	464	114
Total Non-Performing Loans	2,239	3,208
Non-Performing Loans | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
90 Days or More Past Due and Accruing	291
Total Non-Performing Loans	291
Non-Performing Loans | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total		2,416
90 Days or More Past Due and Accruing		0
Total Non-Performing Loans		2,416
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	1,108
90 Days or More Past Due and Accruing	0
Total Non-Performing Loans	1,108
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	485
90 Days or More Past Due and Accruing	173
Total Non-Performing Loans	658
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	512	522
90 Days or More Past Due and Accruing	173	114
Total Non-Performing Loans	685	636
Non-Performing Loans | Loans Held For Investment | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	155	156
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	155	156
Non-Performing Loans | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	6,996	6,339
90 Days or More Past Due and Accruing	192	404
Total Non-Performing Loans	7,188	6,743
Non-Performing Loans | Loans acquired | Real Estate | Commercial | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	6,167	5,506
90 Days or More Past Due and Accruing	186	253
Total Non-Performing Loans	6,353	5,759
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	367	368
90 Days or More Past Due and Accruing	6	151
Total Non-Performing Loans	373	519
Non-Performing Loans | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	434	437
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	434	437
Non-Performing Loans | Loans acquired | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total		28
90 Days or More Past Due and Accruing		0
Total Non-Performing Loans		28
Non-Performing Loans | Substandard | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total		2,416
90 Days or More Past Due and Accruing
Total Non-Performing Loans		2,416
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	1,108
90 Days or More Past Due and Accruing	0
Total Non-Performing Loans	1,108
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	485	493
90 Days or More Past Due and Accruing	0	114
Total Non-Performing Loans	485	607
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	27	29
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	27	29
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	155	156
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	155	156
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	266	267
90 Days or More Past Due and Accruing	66	66
Total Non-Performing Loans	332	333
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	5,901	5,239
90 Days or More Past Due and Accruing	120	187
Total Non-Performing Loans	6,021	5,426
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	274	275
90 Days or More Past Due and Accruing	6	151
Total Non-Performing Loans	280	426
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	93	93
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	93	93
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Multifamily | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	40	40
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	40	40
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	394	397
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	394	397
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	28	28
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	28	28
Non-Performing Loans | Pass | Loans Held For Investment | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Non-Performing Loans
Non-Performing Loans | Special Mention | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
90 Days or More Past Due and Accruing	291
Total Non-Performing Loans	291
Non-Performing Loans | Special Mention | 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
90 Days or More Past Due and Accruing	173
Total Non-Performing Loans	173
Non-Performing Loans | 0-29 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	3,076	3,839
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	221	0
Non-Performing Loans | 0-29 Days Past Due | Loans Held For Investment | Multifamily | Equal to or Greater than 35% 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 | Commercial | Less Than 35% 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 | Commercial | Equal to or Greater than 35% 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 | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	221
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	221	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	0	0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,855	3,839
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	2,815	3,609
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	0	190
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	40	40
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
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
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
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	221	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	0	0
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	79
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	2,815	3,530
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	190
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	0	0
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	40	40
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 | Special Mention | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
Non-Performing Loans | 0-29 Days Past Due | Special Mention | 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 | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,197	493
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	280	96
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
Non-Performing Loans | 30-89 Days Past Due | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total		0
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
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	187
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	214	29
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	66	67
Non-Performing Loans | 30-89 Days Past Due | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,917	397
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	1,334	0
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	189	0
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	394	397
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
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total
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
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	187	0
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	27	29
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	66	67
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	79	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	1,255	0
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	189	0
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	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	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	394	397
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	0
Non-Performing Loans | 30-89 Days Past Due | Special Mention | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
Non-Performing Loans | 30-89 Days Past Due | Special Mention | 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 | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	3,498	5,101
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,274	2,998
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
Non-Performing Loans | 90 Days or More Past Due | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total		2,416
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	1,108
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	77
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	77	493
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	89	89
Non-Performing Loans | 90 Days or More Past Due | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	2,224	2,103
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	2,018	1,897
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	178	178
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		28
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans Held For Investment | Real Estate | Commercial | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total		2,416
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	1,108
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	77	493
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	0
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	89	89
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	187	188
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	1,831	1,709
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	85	85
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	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	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	28	$ 28
Non-Performing Loans | 90 Days or More Past Due | Special Mention | Loans Held For Investment | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	0
Non-Performing Loans | 90 Days or More Past Due | Special Mention | 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
Performing (Accruing) Loans | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	3,096,521
Performing (Accruing) Loans | Pass | Loans Held For Investment | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,205
Performing (Accruing) Loans | 0-29 Days Past Due | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	3,086,525
Performing (Accruing) Loans | 0-29 Days Past Due | Pass | Loans Held For Investment | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	1,205
Performing (Accruing) Loans | 30-89 Days Past Due | Loans Held For Investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	9,996
Performing (Accruing) Loans | 30-89 Days Past Due | Pass | Loans Held For Investment | Other Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total	$ 0