Loans - Summary of Portfolio Loans by Category (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	$ (11,800,338)	$ (11,220,355)
Non-Covered Loans
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(11,801,093)	(11,220,818)
Unearned loan fees, net	(755)	(463)
Loans, including unearned loan fees	11,800,338	11,220,355
Non-Covered Loans \| Commercial and industrial
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(5,236,473)	(4,720,428)
Non-Covered Loans \| Commercial Real Estate Investor Owned Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(2,986,906)	(2,607,755)
Non-Covered Loans \| CRE - owner occupied
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(2,460,761)	(2,359,956)
Non-Covered Loans \| Construction and Land Development Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(689,357)	(892,563)
Non-Covered Loans \| Residential Real Estate Financing Receivable [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(367,127)	(358,923)
Non-Covered Loans \| Real Estate Loans Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	(6,504,151)	(6,219,197)
Non-Covered Loans \| Consumer and Other Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Loans, before unearned loan fees	$ (60,469)	$ (281,193)

Loans and Lease Receivable, Including Unearned Loan Fees

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 310
-SubTopic 20
-Name Accounting Standards Codification
-Section 40
-Paragraph 7
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481628/310-20-40-7

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 45
-Paragraph 2
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481990/310-10-45-2

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- Definition

Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 3B
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-3B

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 5
-Subparagraph (b)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-5

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Amount of deferred fees paid by borrowers and unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of loans that are being amortized into income as an adjustment to yield. Excludes amounts for loans and leases covered under loss sharing agreements.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
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-Section 45
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-URI https://asc.fasb.org/1943274/2147481598/310-20-45-1

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