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Loans and Allowance for Credit Losses - Narrative (Details) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2026 USD ($)	Jun. 30, 2025 USD ($)	Dec. 31, 2025 USD ($)
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Unamortized net deferred fees	$ 16,800		$ 17,600
Transfer of loans held for investment to loans held for sale	238,485	$ 37,576
Servicing asset	253,800		81,500
Net loans	6,501,294		7,120,855
Loans transfer to HFS	36,700
ADC Loans
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Net loans	$ 861,200
Percent of ADC loan portfolio using interest reserves	28.00%
Commercial
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Transfer of loans held for investment to loans held for sale	$ 238,500
Loan and lease, financing receivables on nonaccrual	49,700		90,700
Loan and lease, financing receivables on nonaccrual	$ 25,600		$ 90,700
Commercial | Maximum
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan period (in years)	10 years
Loan period, preferred term (in years)	7 years
Amortization term (in years)	25 years
Commercial | Minimum
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan period, preferred term (in years)	5 years
Real estate mortgage - residential: | Maximum | Land Acquisition Development and Construction Loans
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan term (in months)	36 months
Consumer | Maximum | Land Acquisition Development and Construction Loans
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Loan term (in months)	24 months
Income Producing Commercial Real Estate and Real Estate Construction
Certain Loans Acquired in Transfer Accounted for as Debt Securities Accretable Yield Movement Schedule [Line Items]
Minimum cash flow debt service coverage ratio	1.15
Stress test assumption increase interest rates	2.00%

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