MERGER - Schedule of Consideration Paid and Estimated Fair Value of Assets Acquired and Liabilities Assumed (Details) - Codorus Valley $ in Thousands	Jul. 01, 2024 USD ($)
Business Acquisition [Line Items]
Total purchase price consideration	$ 233,437
Fair Value Adjustment
Securities available for sale	(4,532)
Loans, net of allowance for credit losses ("ACL")	(72,368)
Premises and equipment, net	6,551
Accrued interest receivable	79
Goodwill	(2,301)
Other intangible assets, net	50,719
Deferred income tax asset, net	2,139
Other assets	(218)
Total identifiable assets acquired	(19,931)
Deposits	(3,218)
FHLB advances and other borrowings	(803)
Subordinated notes and trust preferred debt	(4,983)
Other liabilities	3,241
Total liabilities assumed	(5,763)
Total identifiable net assets	(14,168)
Book Value
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	45,290
Restricted investments in bank stocks	1,168
Securities available for sale	331,032
Loans, net of allowance for credit losses ("ACL")	1,715,761
Premises and equipment, net	17,553
Cash surrender value of life insurance	62,817
Accrued interest receivable	8,138
Goodwill	2,301
Other intangible assets, net	0
Deferred income tax asset, net	16,969
Other assets	21,024
Total identifiable assets acquired	2,222,053
Deposits	1,948,467
Securities sold under agreements to repurchase	7,943
FHLB advances and other borrowings	1,195
Subordinated notes and trust preferred debt	41,195
Other liabilities	25,030
Total liabilities assumed	2,023,830
Total identifiable net assets	198,223
Fair Value
Business Acquisition [Line Items]
Total purchase price consideration	233,437
Recognized amounts of identifiable assets acquired and liabilities assumed
Cash and cash equivalents	45,290
Restricted investments in bank stocks	1,168
Securities available for sale	326,500
Loans, net of allowance for credit losses ("ACL")	1,643,393
Premises and equipment, net	24,104
Cash surrender value of life insurance	62,817
Accrued interest receivable	8,217
Other intangible assets, net	50,719
Deferred income tax asset, net	19,108
Other assets	20,806
Total identifiable assets acquired	2,202,122
Deposits	1,945,249
Securities sold under agreements to repurchase	7,943
FHLB advances and other borrowings	392
Subordinated notes and trust preferred debt	36,212
Other liabilities	28,271
Total liabilities assumed	2,018,067
Total identifiable net assets	184,055
Goodwill	$ 49,382