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OTHER BORROWINGS - Federal Home Loan Bank (Details) - USD ($) $ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | May 31, 2020 | Dec. 31, 2019
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Advances from Federal Home Loan Banks |  |  | $ 0
Federal Home Loan Bank of San Francisco [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances |  | $ 10,000 |
Federal Home Loan Bank of San Francisco [Member] | Federal Home Loan Bank of San Francisco, Secured Borrowing Facility [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, General Description of Terms | The Company has an approved secured borrowing facility with the FHLB for up to 25% of total assets for a term not to exceed five years under a blanket lien of certain types of loans. |  |
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Percentage of Total Assets | 25.00% |  |
Debt Instrument, Term | 5 years |  |
Federal Home Loan Bank of San Francisco [Member] | Federal Home Loan Bank of San Francisco, Advance, Maturing November 9, 2020 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances |  | $ 5,000 |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Due Date |  | 2020 |
Federal Home Loan Bank of San Francisco [Member] | Federal Home Loan Bank of San Francisco, Advance, Maturing May 7, 2021 [Member] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank [Line Items] |  |  |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Amount of Advances |  | $ 5,000 |
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Due Date |  | 2021 |

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- Definition Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Percentage of Total Assets + References No definition available. + Details
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References No definition available. + Details
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- Definition Amount of advances from the Federal Home Loan Bank (FHLB). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Discloses the year of maturity, when only one maturity date applies. for the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Describes the general term and nature of the advances from the Federal Home Loan Bank outstanding as of the Balance Sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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