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INVESTMENTS (Narrative) (Detail) - USD ($) $ in Thousands | 1 Months Ended | 3 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 | Jun. 30, 2022 | Dec. 31, 2021
Schedule of Investments [Line Items] |  |  |
Trading securities | $ 3,808 | $ 3,808 | $ 4,428
AFS debt securities, allowance | 0 | 0 | 0
Net unrealized loss on debt securities, net of tax | 60,000 | 60,000 | 1,200
Deferred tax assets, unrealized losses on available for sale securities | 16,400 | 16,400 | 321
HTM debt securities, allowance | 0 | 0 | 0
HTM debt securities, excluding accrued interest from amortized cost | 1,400 | 1,400 | 10
Asset Pledged as Collateral |  |  |
Schedule of Investments [Line Items] |  |  |
AFS and HTM debt securities, amortized cost | 662,800 | 662,800 | 640,100
AFS and HTM debt securities, fair value | 619,500 | 619,500 | 641,200
Available-for-sale Securities |  |  |
Schedule of Investments [Line Items] |  |  |
Interest Receivable | 1,900 | 1,900 | $ 3,400
Transferred Securities |  |  |
Schedule of Investments [Line Items] |  |  |
AFS debt securities transferred to HTM, fair value | 520,300 | 520,300 |
AFS debt securities, transfer, unrealized loss | 72,100 | 72,100 |
Net unrealized loss on debt securities, net of tax | (56,000) | (56,000) |
Deferred tax assets, unrealized losses on available for sale securities | $ 15,300 | $ 15,300 |

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