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SIGNIFICANT ACCOUNTING POLICIES - Restricted Bank Stock (Details) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Changes in accumulated other comprehensive income (loss) by component, net of tax
Restricted bank stock	$ 43.9
Investment in FHLB stock	6.0	$ 6.0
Federal Reserve Bank
Changes in accumulated other comprehensive income (loss) by component, net of tax
Restricted cash	$ 43.9

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Federal Reserve Bank stock represents an equity interest in the Federal Reserve Bank. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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