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Premises and Equipment, Net - Premises and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Premises and Equipment, Net, by Type [Abstract]
Total cost of premises and equipment	$ 532,480	$ 533,344
Less accumulated depreciation and amortization	309,990	302,201
Premises and equipment, net	222,490	231,143
Finance lease right-of-use assets	2,847	3,299
Assets held for sale	321	968
Total premises and equipment, net	225,658	235,410
Land [Member]
Premises and Equipment, Net, by Type [Abstract]
Total cost of premises and equipment	55,787	56,610
Building and Leasehold Improvements [Member]
Premises and Equipment, Net, by Type [Abstract]
Total cost of premises and equipment	249,088	249,405
Furniture and Equipment [Member]
Premises and Equipment, Net, by Type [Abstract]
Total cost of premises and equipment	$ 227,605	$ 227,329

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount of assets held-for-sale that are not part of a disposal group.

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Amount, after accumulated amortization, of right-of-use asset from finance lease.

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