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Commitments and Contingencies (Tables)
9 Months Ended
Sep. 30, 2022
Commitments and Contingencies Disclosure [Abstract]  
Commitments
Commitments at September 30, 2022 and December 31, 2021 are summarized as follows:
September 30, 2022December 31, 2021
(Dollars in thousands)
Commitments to extend credit$2,787,710 $2,329,421 
Standby letters of credit135,056 126,137 
Other letters of credit26,937 56,333 
Commitments to fund investments in affordable housing partnerships12,399 9,514