Loans Held for Investment - Aging of Modified Loans (Details) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2026	Dec. 31, 2025
30-59 Days
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	$ 2,401	$ 172
60-89 Days
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans		686
90 Days or More
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	4,286	1,786
Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	6,687	2,644
Not Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	10,429	15,948
Commercial real estate \| Non-owner occupied \| 60-89 Days
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans		316
Commercial real estate \| Non-owner occupied \| 90 Days or More
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	304
Commercial real estate \| Non-owner occupied \| Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	304	316
Commercial real estate \| Non-owner occupied \| Not Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	304	316
Commercial real estate \| Owner occupied \| 30-59 Days
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans		4
Commercial real estate \| Owner occupied \| Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans		4
Commercial real estate \| Owner occupied \| Not Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	305	4
Commercial and industrial
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Loans modified and subsequently charged off	3,700	18,700
Commercial and industrial \| 30-59 Days
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	2,401	168
Commercial and industrial \| 60-89 Days
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans		370
Commercial and industrial \| 90 Days or More
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	3,982	1,786
Commercial and industrial \| Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	6,383	2,324
Commercial and industrial \| Not Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans	$ 9,820	15,606
1-4 family residential \| Not Past Due
Non-Covered Loans and Allowance for Non-Covered Loan Losses
Modified Loans		$ 22