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v3.26.1

INVESTMENTS - Additional Information (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Mar. 31, 2026 USD ($) entity | Mar. 31, 2025 USD ($) | Jun. 30, 2025 USD ($) entity | Dec. 31, 2025 USD ($)
Gain (Loss) on Securities [Line Items] |  |  |  |
Proceeds from Sale of Debt Securities, Available-for-sale | $ 195,665 | $ 164,535 |  |
Debt Securities, Available-for-sale, Realized Gain | 4,000 | 100 |  |
Available-for-sale Securities, Gross Realized Losses | 0 | 10,000 |  |
Debt Securities, Held-to-maturity, Allowance for Credit Loss | $ 0 |  |  | $ 0
NumberOfSecuritiesInSecurityPortfolio | 874 |  |  | 949
NumberOfSecuritiesInUnrealizedLossPosition | 673 |  |  | 533
Debt Securities, Held-to-maturity, Nonaccrual | $ 0 |  |  | $ 0
Net gain (loss) on investment securities | (1,260) | (9,949) |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position | 3,788,755 |  |  | 2,110,835
Debt Securities, Unrealized Gain (Loss) | $ 5,600 |  | $ 9,800 |
Debt Securities, Available-for-Sale, Realized Gain (Loss), Number | entity | 6 |  | 6 |
Debt Securities, Realized Gain (Loss) | $ 5,000 | $ 0 |  |
Financial Instrument, Other |  |  |  |
Gain (Loss) on Securities [Line Items] |  |  |  |
Debt Securities, Available-for-Sale, Unrealized Loss Position | $ 22,500 |  |  | $ 20,900

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