Derivative Financial Instruments (Details) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Non-hedging derivative financial instruments
Derivative Financial Instruments
Notional or contractual amount	$ 1,346,537	$ 1,260,904
Asset derivatives, Fair value	11,524	16,639
Liability derivatives, Fair value	11,627	16,819
Interest rate swap contracts
Derivative Financial Instruments
Asset derivatives, Fair value	11,414	16,486
Interest rate swap contracts \| Non-hedging derivative financial instruments
Derivative Financial Instruments
Notional or contractual amount	1,338,448	1,242,696
Asset derivatives, Fair value	11,414	16,486
Liability derivatives, Fair value	11,624	16,798
Loan commitments \| Non-hedging derivative financial instruments
Derivative Financial Instruments
Notional or contractual amount	3,839	8,208
Asset derivatives, Fair value	110	153
Liability derivatives, Fair value	0	0
Forward contracts - mortgage loan \| Non-hedging derivative financial instruments
Derivative Financial Instruments
Notional or contractual amount	4,250	10,000
Asset derivatives, Fair value	0	0
Liability derivatives, Fair value	$ 3	$ 21

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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