BORROWINGS - Schedule of Short-term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Short-term Debt [Line Items]
Short-term Debt	$ 896,000	$ 296,203
Federal Funds Purchased and Securities Sold under Agreements to Repurchase
Short-term Debt [Line Items]
Short-term Debt	0	51,203
Federal Home Loan Bank Borrowings
Short-term Debt [Line Items]
Short-term Debt	896,000	225,000
Short-term Debt
Short-term Debt [Line Items]
Short-term Debt	$ 0	$ 20,000

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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Name:	us-gaap_ShortTermBorrowings
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant