Loans Held for Investment - Financial effects of the loans held for investment modified for borrowers (Details)	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
TDRs, Non-covered loans
Weighted Average Interest Rate Reduction (in percent)		1.30%
Weighted-Average Term Extension (in months)	18 months	11 months
Commercial real estate | Non-owner occupied
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)		11 months
Commercial real estate | Owner occupied
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)	19 months	10 months
Commercial and industrial
TDRs, Non-covered loans
Weighted Average Interest Rate Reduction (in percent)		1.30%
Weighted-Average Term Extension (in months)	12 months	17 months
Construction and land development
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)	18 months	8 months
1-4 family residential
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)	43 months	6 months