Loans Held for Investment - Amortized cost basis of the loans held for investment modified for borrowers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
TDRs, Non-covered loans
Total Modifications as a percentage of portfolio segment	0.30%	0.10%
Term Extension
TDRs, Non-covered loans
Total amortized cost of financing receivable modified	$ 26,505	$ 7,082
Combination Term Extension and Rate Reduction
TDRs, Non-covered loans
Total amortized cost of financing receivable modified		$ 437
Commercial real estate | Non-owner occupied
TDRs, Non-covered loans
Total Modifications as a percentage of portfolio segment		0.10%
Commercial real estate | Non-owner occupied | Term Extension
TDRs, Non-covered loans
Total amortized cost of financing receivable modified		$ 2,255
Commercial real estate | Owner occupied
TDRs, Non-covered loans
Total Modifications as a percentage of portfolio segment	0.20%	0.20%
Commercial real estate | Owner occupied | Term Extension
TDRs, Non-covered loans
Total amortized cost of financing receivable modified	$ 2,421	$ 3,501
Commercial and industrial
TDRs, Non-covered loans
Total Modifications as a percentage of portfolio segment	1.20%	0.10%
Commercial and industrial | Term Extension
TDRs, Non-covered loans
Total amortized cost of financing receivable modified	$ 17,809	$ 865
Commercial and industrial | Combination Term Extension and Rate Reduction
TDRs, Non-covered loans
Total amortized cost of financing receivable modified		$ 437
Construction and land development
TDRs, Non-covered loans
Total Modifications as a percentage of portfolio segment	0.20%	0.00%
Construction and land development | Term Extension
TDRs, Non-covered loans
Total amortized cost of financing receivable modified	$ 1,512	$ 350
1-4 family residential
TDRs, Non-covered loans
Total Modifications as a percentage of portfolio segment	0.30%	0.00%
1-4 family residential | Term Extension
TDRs, Non-covered loans
Total amortized cost of financing receivable modified	$ 4,763	$ 111