Premises, Equipment and Software - Schedule of Premises, Equipment and Software (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Total premises, equipment and software	$ 961,257	$ 930,963
Less: Accumulated depreciation and amortization	(583,317)	(547,239)
Net premises, equipment and software	377,940	383,724
Land
Property, Plant and Equipment [Line Items]
Total premises, equipment and software	90,173	90,173
Buildings and improvements
Property, Plant and Equipment [Line Items]
Total premises, equipment and software	289,530	285,399
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total premises, equipment and software	136,585	95,259
Furniture, equipment and software
Property, Plant and Equipment [Line Items]
Total premises, equipment and software	427,000	395,549
Construction in progress
Property, Plant and Equipment [Line Items]
Total premises, equipment and software	$ 17,969	$ 64,583

Amount of accumulated depreciation and amortization from plant, property, and equipment and right-of-use asset from finance lease.

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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount, after accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 360
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

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Amount, before accumulated depreciation and amortization, of property, plant, and equipment and finance lease right-of-use asset.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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-SubTopic 10
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+ References

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