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ALLOWANCE FOR LOAN LOSSES - Average recorded investment in impaired loans (Details) - USD ($) $ in Thousands | Jun. 30, 2021 | Mar. 31, 2021
--- | --- | ---
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | $ 1,840 | $ 3,329
Recorded Investment with Specific Valuation Allowance | 249 | 252
Total Recorded Investment | 2,089 | 3,581
Unpaid Principal Balance | 2,335 | 3,952
Related Specific Valuation Allowance | 10 | 11
Commercial Real Estate Portfolio Segment | Commercial Business |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 114 | 120
Recorded Investment with Specific Valuation Allowance | 0 | 0
Total Recorded Investment | 114 | 120
Unpaid Principal Balance | 153 | 157
Related Specific Valuation Allowance | 0 | 0
Commercial Real Estate Portfolio Segment | Commercial Real Estate |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 1,453 | 1,468
Recorded Investment with Specific Valuation Allowance | 0 | 0
Total Recorded Investment | 1,453 | 1,468
Unpaid Principal Balance | 1,548 | 1,556
Related Specific Valuation Allowance | 0 | 0
Commercial Real Estate Portfolio Segment | Land |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance |  | 710
Recorded Investment with Specific Valuation Allowance |  | 0
Total Recorded Investment |  | 710
Unpaid Principal Balance |  | 740
Related Specific Valuation Allowance |  | 0
Commercial Real Estate Portfolio Segment | Multi-Family |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance |  | 753
Recorded Investment with Specific Valuation Allowance |  | 0
Total Recorded Investment |  | 753
Unpaid Principal Balance |  | 856
Related Specific Valuation Allowance |  | 0
Consumer |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |
Recorded Investment with No Specific Valuation Allowance | 273 | 278
Recorded Investment with Specific Valuation Allowance | 249 | 252
Total Recorded Investment | 522 | 530
Unpaid Principal Balance | 634 | 643
Related Specific Valuation Allowance | $ 10 | $ 11

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- Definition Amount of investment of impaired financing receivables with related allowance for credit losses and without a related allowance for credit losses. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 14A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953550-111524 + Details
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