v3.26.1
FAIR VALUE OF FINANCIAL INSTRUMENTS - Reconciliation of Assets Measured at Fair Value on a Recurring Basis, Significant Unobservable Inputs (Details) - Residential PACE Assessments - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance of recurring Level 3 assets at January 1 $ 203,502 $ 152,011
Amortization included in interest income (544) (267)
Change in unrealized holding gains (losses) included in other comprehensive income (4,629) 1,739
Purchases 19,927 33,752
Sales 0 0
Principal paydowns (11,954) (8,988)
Balance of recurring Level 3 assets at June 30 $ 206,302 $ 178,247