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Fair Value, Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financial Assets [Abstract] |  |
Securities available-for-sale | $ 10,023 | $ 10,698
Carrying Value [Member] |  |
Financial Assets [Abstract] |  |
Cash and cash equivalents | 88,156 | 96,109
Securities available-for-sale | 9,716 | 10,698
Loans receivable held for investment | 362,520 | 360,129
Accrued interest receivable | 1,157 | 1,202
Bank owned life insurance | 3,157 | 3,147
Financial Liabilities [Abstract] |  |
Time Deposits | 312,315 | 315,630
Federal Home Loan Bank advances | 110,500 | 110,500
Junior subordinated debentures | 3,060 | 3,315
Accrued interest payable | 37 | 88
Fair Value [Member] |  |
Financial Assets [Abstract] |  |
Cash and cash equivalents | 88,156 | 96,109
Securities available-for-sale | 10,023 | 10,698
Loans receivable held for investment | 370,702 | 366,279
Accrued interest receivable | 1,157 | 1,202
Bank owned life insurance | 3,157 | 3,147
Financial Liabilities [Abstract] |  |
Time Deposits | 303,598 | 312,725
Federal Home Loan Bank advances | 112,778 | 113,851
Junior subordinated debentures | 2,570 | 2,798
Accrued interest payable | 37 | 88
Fair Value [Member] | Level 1 [Member] |  |
Financial Assets [Abstract] |  |
Cash and cash equivalents | 88,156 | 96,109
Securities available-for-sale | 0 | 0
Loans receivable held for investment | 0 | 0
Accrued interest receivable | 82 | 60
Bank owned life insurance | 3,157 | 3,147
Financial Liabilities [Abstract] |  |
Time Deposits | 0 | 0
Federal Home Loan Bank advances | 0 | 0
Junior subordinated debentures | 0 | 0
Accrued interest payable | 0 | 0
Fair Value [Member] | Level 2 [Member] |  |
Financial Assets [Abstract] |  |
Cash and cash equivalents | 0 | 0
Securities available-for-sale | 10,023 | 10,698
Loans receivable held for investment | 0 | 0
Accrued interest receivable | 12 | 14
Bank owned life insurance | 0 | 0
Financial Liabilities [Abstract] |  |
Time Deposits | 303,598 | 312,725
Federal Home Loan Bank advances | 112,778 | 113,851
Junior subordinated debentures | 0 | 0
Accrued interest payable | 34 | 84
Fair Value [Member] | Level 3 [Member] |  |
Financial Assets [Abstract] |  |
Cash and cash equivalents | 0 | 0
Securities available-for-sale | 0 | 0
Loans receivable held for investment | 370,702 | 366,279
Accrued interest receivable | 1,063 | 1,128
Bank owned life insurance | 0 | 0
Financial Liabilities [Abstract] |  |
Time Deposits | 0 | 0
Federal Home Loan Bank advances | 0 | 0
Junior subordinated debentures | 2,570 | 2,798
Accrued interest payable | $ 3 | $ 4

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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(6)) -URI http://asc.fasb.org/extlink&oid=120398452&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 326 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=121558606&loc=SL82898722-210454 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121553693&loc=d3e26610-111562 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (aa) -URI http://asc.fasb.org/extlink&oid=121645371&loc=d3e27161-111563 + Details
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