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DISCLOSURES ABOUT FAIR VALUE OF FINANCIAL INSTRUMENTS - Statement of Changes in Level 3 Assets Measured at Fair Value on a Recurring Basis (Detail) - Significant Unobservable Inputs (Level 3) - Asset-backed securities - Fair Value, Measurements, Recurring - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Asset-backed securities
Balance at beginning of period	$ 13,236	$ 34,949
Purchases	157,827	0
Principal payments and premium amortization	(3,077)	(7,114)
Increase in allowance for credit losses	(66)	0
Decrease in allowance for credit losses	75	33
Change in fair value recognized in OCI	480	395
Balance at end of period	$ 168,475	$ 28,263

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- Definition

Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Principal Payments and Premium Amortization

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Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Decrease In Allowance for Credit Losses

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Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Increase In Allowance for Credit Losses

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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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).

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-Topic 820
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-Name Accounting Standards Codification
-Section 55
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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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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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