XML 48 R37.htm IDEA: XBRL DOCUMENT v3.22.2.2
Loans and Allowance for Credit Losses - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans $ 27,711,694   $ 27,711,694   $ 23,414,262
Percentage of loan portfolio as commercial loan 78.40%   78.40%    
Risk rated loans $ 1,000   $ 1,000    
Percentage of credit exposure to risk based capital 25.00%   25.00%    
Loans and other extensions of credit granted to directors, executive officers, and their related entities $ 46,900   $ 46,900   45,200
Amount drawn from loans and other extensions of credit granted 42,500   42,500   14,500
Commercial loans held-for-sale 15,413   15,413   17,685
Mortgage loans held-for-sale 17,700   17,700   30,300
Loans sold     691,700 $ 1,300,000  
Gain (Loss) on Sale of Mortgage Loans 1,100 $ 7,800 7,333 $ 28,180  
Paycheck Protection Program [Member]          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Loans $ 10,700   $ 10,700   $ 371,100
Construction and land development          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of credit exposure to risk based capital 85.40%   85.40%   79.10%
Non-owner occupied commercial real estate and multifamily loans          
Accounts, Notes, Loans and Financing Receivable [Line Items]          
Percentage of credit exposure to risk based capital 244.00%   244.00%   234.10%