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FAIR VALUE OF ASSETS AND LIABILITIES - Summary of fair value of assets and liabilities not carried at fair value (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Financial assets |  |
Cash and due from banks | $ 193,446 | $ 316,445
Securities held-to-maturity | 23,281 | 7,005
Loans, net | 1,273,184 | 1,267,114
Financial liabilities |  |
Time deposits | 473,795 | 717,431
Federal Home Loan advances | 185,500 | 329,400
Quoted Prices in Active Markets for Identical Assets |  |
Financial assets |  |
Securities held-to-maturity | 0 | 0
Loans, net | 0 | 0
Financial liabilities |  |
Time deposits | 0 | 0
Federal Home Loan advances | 0 | 0
Significant Other Observable Inputs |  |
Financial assets |  |
Securities held-to-maturity | 22,849 | 6,978
Loans, net | 0 | 0
Financial liabilities |  |
Time deposits | 470,732 | 725,110
Federal Home Loan advances | 182,795 | 336,377
Significant Unobservable Inputs |  |
Financial assets |  |
Securities held-to-maturity | 0 | 0
Loans, net | 1,266,799 | 1,290,740
Financial liabilities |  |
Time deposits | 0 | 0
Federal Home Loan advances | $ 0 | $ 0

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3044-108585 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section 45 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=124098289&loc=d3e6676-107765 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.1) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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