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FAIR VALUE - Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - Available-for-sale Securities [Member] - Fair Value Inputs Level 3 [Member] - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items] |  |  |  |
Beginning balance | $ 7,357 | $ 10,180 | $ 8,495 | $ 11,084
Total (losses)/gains: |  |  |  |
Included in other comprehensive loss (unrealized) | (722) | (177) | (903) | (570)
Included in earnings (unrealized) | (32) | 12 | (7) | 435
Principal repayments and amortization | (237) | (1,152) | (1,219) | (2,086)
Ending balance | $ 6,366 | $ 8,863 | $ 6,366 | $ 8,863

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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 -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + 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 -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(1a) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482106/820-10-50-2 + Details
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