BORROWINGS Borrowings - - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2023	Dec. 31, 2022	Apr. 01, 2018
Carrying Value of Securities Sold under Repurchase Agreements and Deposits Received for Securities Loaned	$ 0	$ 0
Federal Funds Purchased	0	0
FHLB short-term borrowings	1,089,400	1,130,000
Line of Credit Facility, Maximum Borrowing Capacity	40,000
Short-term Debt	1,217,560	1,287,156
Long-term Debt	342,647	346,672
Convertible Subordinated Debt	$ 150,000
Subordinated Borrowing, Interest Rate	5.13%
Debt Instrument, Basis Spread on Variable Rate	5.09%
Subordinated debt	$ 120,000
Subordinated debt	$ 313,820	$ 313,705
Debt, Weighted Average Interest Rate	5.52%	5.48%
Weighted average rate on other long-term debt	0.00%	0.00%
Short-term Debt
Short-term Debt	$ 128,160	$ 157,156
Long-term Debt [Member]
Subordinated Borrowing, Interest Rate	5.25%
Subordinated Debt [Member]
Subordinated debt	$ 43,800	$ 43,700	$ 49,500
Debt Instrument Maturity Period	30 years
DebtInstrumentMinimumCallablePeriod	5 years

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- Definition

Represents the period at par after which the debt can be called.

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- Definition

Subordinated debt amount of original issue, excluding issue costs

+ References

No definition available.

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- Definition

Carrying value of securities sold under agreements to repurchase and deposits received for securities loaned.

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Including the current and noncurrent portions, the carrying value of convertible subordinated debt, as of the balance sheet date, initially scheduled to be repaid after one year or beyond the normal operating cycle if longer. This form of debt can be exchanged for a specified amount of another security, typically the entity's common stock, at the option of the issuer or the holder, and places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Percentage points added to the reference rate to compute the variable rate on the debt instrument.

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Weighted average interest rate of debt outstanding.

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- Definition

Amount of short term borrowing where a bank borrows, at the federal funds rate, from another bank.

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- Definition

Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.

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Stated interest rate of the subordinated debt.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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