XML 145 R120.htm IDEA: XBRL DOCUMENT v3.22.4
Commitments and Contingencies Outstanding Commitments to Extend Credit and Letters of Credit (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
Valuation allowances and reserves, balance $ 6,000 $ 3,800
Commercial and industrial    
Valuation allowances and reserves, balance 4,832,858 5,072,008
Commerical mortgage and construction    
Valuation allowances and reserves, balance 1,972,505 1,914,238
Real estate - home equity    
Valuation allowances and reserves, balance 1,890,258 1,744,922
Total commitments to extend credit    
Valuation allowances and reserves, balance 8,695,621 8,731,168
Standby letters of credit    
Valuation allowances and reserves, balance 260,829 298,275
Commercial letters of credit    
Valuation allowances and reserves, balance 49,288 54,196
Letter of Credit    
Valuation allowances and reserves, balance $ 310,117 $ 352,471