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v3.23.3

INVESTMENTS (Narrative) (Detail) - USD ($) | 1 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022 | Dec. 31, 2022
Schedule of Investments [Line Items] |  |  |  |
Trading securities |  | $ 4,195,000 |  | $ 3,990,000
AFS debt securities, allowance |  | 0 |  | 0
Net unrealized loss on debt securities, net of tax |  | 91,100,000 |  | 79,400,000
Deferred tax assets, unrealized losses on available for sale securities |  | 24,900,000 |  | 21,700,000
Provision for credit losses, HTM debt securities |  | 1,800,000 | $ 0 |
Write off, accrued interest, HTM debt securities |  | 8,000 |  |
HTM debt securities, allowance |  | 0 |  | 0
HTM debt securities, excluding accrued interest from amortized cost |  | 1,500,000 |  | 1,700,000
Asset Pledged as Collateral |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
AFS and HTM debt securities, amortized cost |  | 672,100,000 |  | 821,900,000
AFS and HTM debt securities, fair value |  | 564,700,000 |  | 726,500,000
Available-for-sale Securities |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
Interest receivable |  | 1,800,000 |  | 1,900,000
Transferred Securities |  |  |  |
Schedule of Investments [Line Items] |  |  |  |
AFS debt securities transferred to HTM, fair value | $ 520,300,000 |  |  |
AFS debt securities, transfer, unrealized loss | $ 72,100,000 |  |  |
Net unrealized loss on debt securities, net of tax |  | (48,200,000) |  | (52,200,000)
Deferred tax assets, unrealized losses on available for sale securities |  | $ 13,200,000 |  | $ 14,300,000

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