SECURITIES (Securities Pledged) (Details) $ in Thousands	Mar. 31, 2026 USD ($)
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items]
Pledged Financial Instruments, Not Separately Reported, Carrying Value	$ 497,302
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost	510,873
Pledged Financial Instruments, Not Separately Reported, Fair Value	429,614
Asset Pledged as Collateral without Right \| Securities For State and Local Government Public Deposits
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items]
Pledged Financial Instruments, Not Separately Reported, Carrying Value	293,770
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost	307,341
Pledged Financial Instruments, Not Separately Reported, Fair Value	262,082
Asset Pledged as Collateral without Right \| Securities for Interest Rate Swap Counterparties
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items]
Pledged Financial Instruments, Not Separately Reported, Carrying Value	944
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost	944
Pledged Financial Instruments, Not Separately Reported, Fair Value	802
Asset Pledged as Collateral without Right \| Securities Sold under Agreements to Repurchase
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items]
Pledged Financial Instruments, Not Separately Reported, Carrying Value	200,116
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost	200,116
Pledged Financial Instruments, Not Separately Reported, Fair Value	164,494
Asset Pledged as Collateral without Right \| Interest Bearing Deposits for Other Debt Facilities
Schedule of Pledged Financial Instruments, Not Separately Reported [Line Items]
Pledged Financial Instruments, Not Separately Reported, Carrying Value	2,472
Securities pledged for Interest Rate Swap Counterparties, Amortized Cost	2,472
Pledged Financial Instruments, Not Separately Reported, Fair Value	$ 2,236