v3.26.1
FAIR VALUE - Assets and liabilities measured on a non-recurring basis (Details) - USD ($)
$ in Thousands
 3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Assets and Liabilities Measured on Nonrecurring Basis      
Acquisition-related contingent consideration adjustment $ 103 $ (103)  
CPD      
Assets and Liabilities Measured on Nonrecurring Basis      
Payment for contingent consideration, investing     $ 100
Acquisition-related contingent consideration adjustment     600
Certain Assets of benefit plans administrative services and OneGroup acquisition      
Assets and Liabilities Measured on Nonrecurring Basis      
Payment for contingent consideration, investing     1,000
BPAS and NISI acquisitions      
Assets and Liabilities Measured on Nonrecurring Basis      
Payment for contingent consideration, investing   3,400  
Mortgage servicing rights      
Assets and Liabilities Measured on Nonrecurring Basis      
Valuation allowance 300 300 300
Non-recurring      
Assets and Liabilities Measured on Nonrecurring Basis      
Individually assessed loans 2,402 2,402 14,361
Other real estate owned 5,354 5,354 5,778
Mortgage servicing rights 908 908 853
Contingent consideration (7,345) (7,345) (9,220)
Total 1,319 1,319 11,772
Non-recurring | Level 1      
Assets and Liabilities Measured on Nonrecurring Basis      
Individually assessed loans 0 0 0
Other real estate owned 0 0 0
Mortgage servicing rights 0 0 0
Contingent consideration 0 0 0
Total 0 0 0
Non-recurring | Level 2      
Assets and Liabilities Measured on Nonrecurring Basis      
Individually assessed loans 0 0 0
Other real estate owned 0 0 0
Mortgage servicing rights 0 0 0
Contingent consideration 0 0 0
Total 0 0 0
Non-recurring | Level 3      
Assets and Liabilities Measured on Nonrecurring Basis      
Individually assessed loans 2,402 2,402 14,361
Other real estate owned 5,354 5,354 5,778
Mortgage servicing rights 908 908 853
Contingent consideration (7,345) (7,345) (9,220)
Total $ 1,319 $ 1,319 $ 11,772