ACQUISITIONS PCI Loans Acquired (Details) - USD ($) $ in Thousands		12 Months Ended
	Jul. 01, 2025	Dec. 31, 2025
Business Combination [Line Items]
Contractual cash flows not expected to be collected		$ (9,020)
Enterprise Bancorp, Inc. [Member]
Business Combination [Line Items]
Contractually required principal and interest at acquisition	$ 406,135
Contractual cash flows not expected to be collected	(9,020)
Basis in PCI loans at acquisition - estimated fair value	386,671
Financing Receivable, Purchased with Credit Deterioration, Discount (Premium)	$ (10,444)