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LOANS RECEIVABLE, NET - Credit quality indicators (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | $ 1,287,609 | $ 1,284,073
Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 1,269,218 | 1,253,056
Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 5,213 | 16,802
Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 13,178 | 14,215
Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Residential Portfolio Segment | Residential one-to-four family |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 566,483 | 616,248
Residential Portfolio Segment | Residential one-to-four family | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 555,184 | 604,167
Residential Portfolio Segment | Residential one-to-four family | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Residential Portfolio Segment | Residential one-to-four family | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 11,299 | 12,081
Residential Portfolio Segment | Residential one-to-four family | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Residential Portfolio Segment | Multifamily |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 516,568 | 429,095
Residential Portfolio Segment | Multifamily | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 510,815 | 411,369
Residential Portfolio Segment | Multifamily | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 5,069 | 16,648
Residential Portfolio Segment | Multifamily | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 684 | 1,078
Residential Portfolio Segment | Multifamily | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Non-residential | Non-residential |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 141,534 | 128,217
Non-residential | Non-residential | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 140,377 | 127,089
Non-residential | Non-residential | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 144 | 154
Non-residential | Non-residential | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 1,013 | 974
Non-residential | Non-residential | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Construction and land | Construction and land |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 23,420 | 33,630
Construction and land | Construction and land | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 23,420 | 33,630
Construction and land | Construction and land | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Construction and land | Construction and land | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Construction and land | Construction and land | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Junior liens | Junior liens |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 18,550 | 23,918
Junior liens | Junior liens | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 18,368 | 23,836
Junior liens | Junior liens | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Junior liens | Junior liens | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 182 | 82
Junior liens | Junior liens | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial and industrial (including PPP) | Commercial and industrial (including PPP) |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 20,966 | 52,867
Commercial and industrial (including PPP) | Commercial and industrial (including PPP) | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 20,966 | 52,867
Commercial and industrial (including PPP) | Commercial and industrial (including PPP) | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial and industrial (including PPP) | Commercial and industrial (including PPP) | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Commercial and industrial (including PPP) | Commercial and industrial (including PPP) | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable |  | 0
Consumer and other | Consumer and other |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 88 | 98
Consumer and other | Consumer and other | Pass |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 88 | 98
Consumer and other | Consumer and other | Special Mention |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Consumer and other | Consumer and other | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | 0 | 0
Consumer and other | Consumer and other | Doubtful/Loss |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Total Loans Receivable | $ 0 | $ 0

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