Loans - Nonaccrual loans (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	$ 170,222	$ 104,225
Greater than 90 Days Accruing	12,479
Non-accrual with no allowance	62,042
Commercial loans \| Construction and land development
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	1,433	827
Commercial loans \| Commercial non-owner occupied
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	21,309	20,425
Greater than 90 Days Accruing	1,378
Non-accrual with no allowance	13,608
Commercial loans \| Commercial non-owner occupied real estate.
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	44,887	35,089
Greater than 90 Days Accruing	988
Non-accrual with no allowance	20,843
Commercial loans \| Commercial and industrial
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	63,531	17,129
Greater than 90 Days Accruing	9,193
Non-accrual with no allowance	27,591
Commercial loans \| Other income producing property
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	3,202	2,734
Consumer portfolio loans \| Consumer Owner Occupied Loans
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	25,271	17,307
Greater than 90 Days Accruing	920
Consumer portfolio loans \| Home equity loans
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	4,932	6,316
Consumer portfolio loans \| Consumer loans
Loans and Allowance for Loan Losses
Total loans on nonaccrual status	$ 5,657	$ 4,398

Amortized cost excluding accrued interest, of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

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