XML 70 R51.htm IDEA: XBRL DOCUMENT v3.22.0.1
Commitments and Contingencies Commitments and Contingencies (Tables)
 12 Months Ended
Dec. 31, 2021
Commitments and Contingencies Disclosure [Abstract]  
Schedule of Fair Value, Off-balance Sheet Risks [Table Text Block]
The following table presents the commitments to extend credit and unfunded commitments as of December 31, 2021 and 2020:
(Dollars in thousands)20212020
Unused commitments to extend credit$13,011,154 $12,098,417 
Standby letters of credit116,648 129,819