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Loans Receivable Held for Investment, Purchased Credit Impaired (PCI) Loans (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2021 USD ($) Loan | Sep. 30, 2021 USD ($) Loan | Dec. 31, 2020 USD ($)
Purchased Credit Impaired Loans [Abstract] |  |  |
Number of acquired loans with evidence of credit deterioration of credit quality since origination at acquisition | Loan | 0 | 0 |
Loans receivable | $ 642,198 | $ 642,198 | $ 360,129
Accretable Yield on Purchased Credit Impaired Loans [Roll Forward] |  |  |
Number of purchased credit impaired loans classified as nonaccrual | Loan | 0 | 0 |
Purchased Credit Impaired Loans [Member] |  |  |
Purchased Credit Impaired Loans [Abstract] |  |  |
Loans receivable | $ 883 | $ 883 |
Accretable Yield on Purchased Credit Impaired Loans [Roll Forward] |  |  |
Balance at the beginning of the period | 327 | 0 |
Additions | 0 | 346 |
Accretion | (19) | (38) |
Balance at the end of the period | 308 | 308 |
Real Estate [Member] | Single Family [Member] | Purchased Credit Impaired Loans [Member] |  |  |
Purchased Credit Impaired Loans [Abstract] |  |  |
Loans receivable | 558 | 558 |
Real Estate [Member] | Commercial Real Estate [Member] | Purchased Credit Impaired Loans [Member] |  |  |
Purchased Credit Impaired Loans [Abstract] |  |  |
Loans receivable | 221 | 221 |
Commercial - Other [Member] | Purchased Credit Impaired Loans [Member] |  |  |
Purchased Credit Impaired Loans [Abstract] |  |  |
Loans receivable | $ 104 | $ 104 |

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- Definition Amount of the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123409700&loc=d3e13503-111538 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 + Details
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- Definition Amount of additions to the excess of a loan's cash flows expected to be collected over the investor's initial investment in acquired loans not accounted for as debt securities with evidence of deterioration of credit quality. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 15 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123409700&loc=d3e13503-111538 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=121614798&loc=d3e15032-111544 + Details
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