Loans Held for Investment - Financial effects of the loans held for investment modified for borrowers (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
TDRs, Non-covered loans
Weighted Average Interest Rate Reduction (in percent)	2.20%		2.20%	1.30%
Weighted-Average Term Extension (in months)	22 months	16 months	20 months	15 months
Commercial real estate \| Non-owner occupied
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)		10 months		10 months
Commercial real estate \| Owner occupied
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)	20 months	21 months	20 months	10 months
Commercial and industrial
TDRs, Non-covered loans
Weighted Average Interest Rate Reduction (in percent)	1.80%		1.80%	1.30%
Weighted-Average Term Extension (in months)	23 months	18 months	16 months	18 months
Construction and land development
TDRs, Non-covered loans
Weighted-Average Term Extension (in months)		11 months	18 months	11 months
1-4 family residential
TDRs, Non-covered loans
Weighted Average Interest Rate Reduction (in percent)	2.30%		2.30%
Weighted-Average Term Extension (in months)	18 months	11 months	71 months	11 months