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Loans Receivable Held for Investment, Loans Individually Evaluated for Impairment by Loan Type (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
With an Allowance Recorded [Abstract] |  |
Allowance for loan losses allocated | $ 136 | $ 141
Total [Abstract] |  |
Unpaid principal balance | 5,236 | 5,289
Recorded investment | 4,671 | 4,731
Real Estate [Member] | Single Family [Member] |  |
With No Related Allowance Recorded [Abstract] |  |
Unpaid principal balance | 0 | 2
Recorded investment | 0 | 1
With an Allowance Recorded [Abstract] |  |
Unpaid principal balance | 568 | 573
Recorded investment | 568 | 573
Allowance for loan losses allocated | 87 | 88
Real Estate [Member] | Multi-Family [Member] |  |
With No Related Allowance Recorded [Abstract] |  |
Unpaid principal balance | 293 | 298
Recorded investment | 293 | 298
Real Estate [Member] | Church [Member] |  |
With No Related Allowance Recorded [Abstract] |  |
Unpaid principal balance | 2,507 | 2,527
Recorded investment | 1,942 | 1,970
With an Allowance Recorded [Abstract] |  |
Unpaid principal balance | 1,823 | 1,842
Recorded investment | 1,823 | 1,842
Allowance for loan losses allocated | 48 | 52
Commercial - Other [Member] |  |
With an Allowance Recorded [Abstract] |  |
Unpaid principal balance | 45 | 47
Recorded investment | 45 | 47
Allowance for loan losses allocated | $ 1 | $ 1

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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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