FAIR VALUE - Fair Value of Assets and Liabilities Measured on Recurring Basis (Detail) - Fair Value Inputs Level 3 [Member] - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Fair Value Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Beginning balance	$ 11,084	$ 11,977	$ 14,590
Total gains or (losses) (realized/unrealized):
Included in other comprehensive income (unrealized)	(401)	1,281	2,403
Included in earnings (unrealized)	434	136	(1,641)
Purchases	0	1,000	0
Principal repayments and amortization	(2,622)	(3,310)	(3,525)
Ending balance	8,495	11,084	11,977
Available-for-sale Securities [Member]
Total gains or (losses) (realized/unrealized):
BSPR securities acquired	$ 0	$ 0	$ 150

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Principal repayments and amortization during the period in relation to assets measured at fair value and categorized within Level 3 of the fair value hierarchy.

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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
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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

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-Publisher FASB
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Amount of purchases 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.

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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.

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