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FAIR VALUE MEASUREMENTS - Schedule of Changes in Level 3 Assets and Liabilities that were Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Commitments to Lend |  |
Changes in Level 3 assets that were measured at fair value on a recurring basis |  |
Unrealized (loss)/gain, net recognized in other non-interest income | $ 34 | $ 70
Unrealized gain relating to instruments still held at the end of the period | 26 | 18
Derivative Asset (Liability) |  |
Beginning balance | 17 | 124
Unrealized (loss)/gain, net recognized in other non-interest income | 34 | 70
Transfers to held for sale loans | (25) | (176)
Ending balance | 26 | 18
Forward Commitments |  |
Changes in Level 3 assets that were measured at fair value on a recurring basis |  |
Unrealized (loss)/gain, net recognized in other non-interest income | 7 | (127)
Unrealized gain relating to instruments still held at the end of the period | 15 | 7
Derivative Asset (Liability) |  |
Beginning balance | 8 | 134
Unrealized (loss)/gain, net recognized in other non-interest income | 7 | (127)
Ending balance | 15 | 7
Trading Security |  |
Changes in Level 3 assets that were measured at fair value on a recurring basis |  |
Balance at the beginning of the period | 6,708 | 8,354
Unrealized (loss)/gain, net recognized in other non-interest income | 88 | (354)
Paydown of asset | (212) | (202)
Balance at the end of the period | 6,584 | 7,798
Unrealized gain relating to instruments still held at the end of the period | (266) | 121
Derivative Asset (Liability) |  |
Unrealized (loss)/gain, net recognized in other non-interest income | 88 | (354)
Securities Available for Sale |  |
Changes in Level 3 assets that were measured at fair value on a recurring basis |  |
Balance at the beginning of the period | 4,000 | 4,030
Unrealized gain included in accumulated other comprehensive income | (200) | (10)
Balance at the end of the period | 3,800 | 4,020
Unrealized gain relating to instruments still held at the end of the period | (200) | 20
Loans Held for Investment |  |
Changes in Level 3 assets that were measured at fair value on a recurring basis |  |
Balance at the beginning of the period | 605 | 1,200
Unrealized (loss)/gain, net recognized in other non-interest income | (129) | 209
Paydown of asset | (16) | (212)
Balance at the end of the period | 460 | 1,197
Unrealized gain relating to instruments still held at the end of the period | 0 | 0
Derivative Asset (Liability) |  |
Unrealized (loss)/gain, net recognized in other non-interest income | (129) | 209
Capitalized Servicing Rights |  |
Changes in Level 3 assets that were measured at fair value on a recurring basis |  |
Balance at the beginning of the period | 1,846 | 1,966
Unrealized (loss)/gain, net recognized in other non-interest income | (180) | (180)
Balance at the end of the period | 1,666 | 1,786
Derivative Asset (Liability) |  |
Unrealized (loss)/gain, net recognized in other non-interest income | $ (180) | $ (180)

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- Definition This element represents the total unrealized net gains included in net income related to assets still held as of the balance sheet date. + References No definition available. + Details
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- Definition Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers to Loans and Leases Held for Sale + References No definition available. + Details
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. + References No definition available. + Details
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- Definition Amount of gain (loss) recognized in income from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of gain (loss) recognized in other comprehensive income (OCI) from asset measured at fair value on recurring basis using unobservable input (level 3). + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Amount of settlement of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c)(2) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as an asset measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 + Details
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- Definition Fair value of financial instrument classified as derivative asset (liability) after deduction of derivative liability (asset), measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19207-110258 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126976982&loc=d3e19279-110258 + Details
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