v3.26.3
DERIVATIVE FINANCIAL INSTRUMENTS - Summary of Fair Value of Derivative Financial Instruments and Classification on the Balance Sheet (Details) - Derivatives Not Designated as Hedging Instruments under FASB ASC 815-10 - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Notional Amount    
Included in other assets $ 1,685,484 $ 1,571,233
Included in other liabilities 1,775,575 1,695,382
Fair Value    
Derivative assets 76,495 48,468
Derivative liabilities 76,204 47,980
Interest rate swaps    
Notional Amount    
Included in other assets 1,631,937 1,529,421
Included in other liabilities 1,726,802 1,668,136
Fair Value    
Derivative assets 75,633 47,850
Derivative liabilities 75,574 47,879
Forward contracts related to mortgage loans to be delivered for sale    
Notional Amount    
Included in other assets 49,522 15,217
Included in other liabilities 16,853 25,000
Fair Value    
Derivative assets 840 422
Derivative liabilities 124 99
Interest rate lock commitments    
Notional Amount    
Included in other assets 4,025 26,595
Included in other liabilities 31,920 2,246
Fair Value    
Derivative assets 22 196
Derivative liabilities $ 506 $ 2