v3.26.1
Derivatives - Schedule of carrying amount of hedged assets and hedging adjustment (Details) - Designated as hedging instrument - Fair value hedges - Interest rate swap - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Derivatives    
Carrying amount of hedged assets $ 406,238 $ 457,658
Cumulative amount of fair value hedging adjustment included in the carrying amount of hedged assets (23,179) (18,812)
Cumulative fair value hedge adjustment $ (24,800) $ (20,700)