Loans - PCI Loan Pools (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts, Notes, Loans and Financing Receivable [Line Items]
90 Days or More Past Due and Accruing	$ 518	$ 33
Total Loans Receivable, net	2,987,067	2,678,877
Non-Performing Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	9,433	9,162
90 Days or More Past Due and Accruing	518	33
Total Non-Performing Loans	9,951	9,195
Non-Performing Loans | Loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	3,094	3,516
90 Days or More Past Due and Accruing	114	0
Total Non-Performing Loans	3,208	3,516
Non-Performing Loans | Loans held-for-investment | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	493
90 Days or More Past Due and Accruing	114
Total Non-Performing Loans	607
Non-Performing Loans | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	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 mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		2,875
90 Days or More Past Due and Accruing		0
Total Non-Performing Loans		2,875
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]
Non-Accruing Loans	522	541
90 Days or More Past Due and Accruing	114	0
Total Non-Performing Loans	636	541
Non-Performing Loans | Loans held-for-investment | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	156	75
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	156	75
Non-Performing Loans | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		25
90 Days or More Past Due and Accruing		0
Total Non-Performing Loans		25
Non-Performing Loans | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	6,339	5,646
90 Days or More Past Due and Accruing	404	33
Total Non-Performing Loans	6,743	5,679
Non-Performing Loans | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	275
90 Days or More Past Due and Accruing	151
Total Non-Performing Loans	426
Non-Performing Loans | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	5,506	4,416
90 Days or More Past Due and Accruing	253	0
Total Non-Performing Loans	5,759	4,416
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]
Non-Accruing Loans	368	587
90 Days or More Past Due and Accruing	151	33
Total Non-Performing Loans	519	620
Non-Performing Loans | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	437	566
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	437	566
Non-Performing Loans | Loans acquired | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	28	77
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	28	77
Non-Performing Loans | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	2,416
90 Days or More Past Due and Accruing	0
Total Non-Performing Loans	2,416
Non-Performing Loans | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		2,875
90 Days or More Past Due and Accruing		0
Total Non-Performing Loans		2,875
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]
Non-Accruing Loans	493	509
90 Days or More Past Due and Accruing	114	0
Total Non-Performing Loans	607	509
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]
Non-Accruing Loans	29	32
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	29	32
Non-Performing Loans | Substandard | Loans held-for-investment | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	156	75
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	156	75
Non-Performing Loans | Substandard | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		25
90 Days or More Past Due and Accruing		0
Total Non-Performing Loans		25
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	267	281
90 Days or More Past Due and Accruing	66	0
Total Non-Performing Loans	333	281
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	5,239	4,135
90 Days or More Past Due and Accruing	187	0
Total Non-Performing Loans	5,426	4,135
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]
Non-Accruing Loans	275	368
90 Days or More Past Due and Accruing	151	6
Total Non-Performing Loans	426	374
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]
Non-Accruing Loans	93	219
90 Days or More Past Due and Accruing	0	27
Total Non-Performing Loans	93	246
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Multifamily | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	40	152
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	40	152
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	397	414
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	397	414
Non-Performing Loans | Substandard | Loans acquired | Real Estate | Home equity and lines of credit
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	28	77
90 Days or More Past Due and Accruing	0	0
Total Non-Performing Loans	28	77
Non-Performing Loans | 0-29 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	3,839	440
Non-Performing Loans | 0-29 Days Past Due | Loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0	75
Non-Performing Loans | 0-29 Days Past Due | Loans held-for-investment | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 0-29 Days Past Due | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 0-29 Days Past Due | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		0
Non-Performing Loans | 0-29 Days Past Due | Loans held-for-investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0	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]
Non-Accruing Loans	0	75
Non-Performing Loans | 0-29 Days Past Due | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		0
Non-Performing Loans | 0-29 Days Past Due | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	3,839	365
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	190
Non-Performing Loans | 0-29 Days Past Due | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	3,609	87
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]
Non-Accruing Loans	190	126
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]
Non-Accruing Loans	40	152
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]
Non-Accruing Loans	0	0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		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]
Non-Accruing Loans	0	0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans held-for-investment | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	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]
Non-Accruing Loans	0	75
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	79	87
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	3,530	0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	190	0
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | One-to-four family residential mortgage | Equal to or Greater than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0	126
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]
Non-Accruing Loans	40	152
Non-Performing Loans | 0-29 Days Past Due | Substandard | Loans acquired | Real Estate | Multifamily | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	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]
Non-Accruing Loans	0	0
Non-Performing Loans | 30-89 Days Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	493	2,128
Non-Performing Loans | 30-89 Days Past Due | Loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	96	751
Non-Performing Loans | 30-89 Days Past Due | Loans held-for-investment | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 30-89 Days Past Due | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 30-89 Days Past Due | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		287
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]
Non-Accruing Loans	29	464
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]
Non-Accruing Loans	67	0
Non-Performing Loans | 30-89 Days Past Due | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		0
Non-Performing Loans | 30-89 Days Past Due | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	397	1,377
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 30-89 Days Past Due | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0	764
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]
Non-Accruing Loans	0	199
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]
Non-Accruing Loans	397	414
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]
Non-Accruing Loans	0	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		287
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]
Non-Accruing Loans	0	432
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]
Non-Accruing Loans	29	32
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]
Non-Accruing Loans	67	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0	0
Non-Performing Loans | 30-89 Days Past Due | Substandard | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	0	764
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]
Non-Accruing Loans	0	199
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]
Non-Accruing Loans	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]
Non-Accruing Loans	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]
Non-Accruing Loans	397	414
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]
Non-Accruing Loans	0	0
Non-Performing Loans | 90 Days or More Past Due
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	5,101	6,594
Non-Performing Loans | 90 Days or More Past Due | Loans held-for-investment
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	2,998	2,690
Non-Performing Loans | 90 Days or More Past Due | Loans held-for-investment | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	493
Non-Performing Loans | 90 Days or More Past Due | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	2,416
Non-Performing Loans | 90 Days or More Past Due | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		2,588
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]
Non-Accruing Loans	493	77
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]
Non-Accruing Loans	89	0
Non-Performing Loans | 90 Days or More Past Due | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		25
Non-Performing Loans | 90 Days or More Past Due | Loans acquired
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	2,103	3,904
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | One-to-four family residential mortgage | Less Than 60% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	85
Non-Performing Loans | 90 Days or More Past Due | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	1,897	3,565
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]
Non-Accruing Loans	178	262
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]
Non-Accruing Loans	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]
Non-Accruing Loans	28	77
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	2,416
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans held-for-investment | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		2,588
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]
Non-Accruing Loans	493	77
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]
Non-Accruing Loans	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]
Non-Accruing Loans	89	0
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans held-for-investment | Commercial and Industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans		25
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Commercial mortgage | Less Than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	188	194
Non-Performing Loans | 90 Days or More Past Due | Substandard | Loans acquired | Real Estate | Commercial mortgage | Equal to or Greater than 35% LTV
Accounts, Notes, Loans and Financing Receivable [Line Items]
Non-Accruing Loans	1,709	3,371
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]
Non-Accruing Loans	85	169
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]
Non-Accruing Loans	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]
Non-Accruing Loans	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]
Non-Accruing Loans	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]
Non-Accruing Loans	$ 28	$ 77