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Mortgage Servicing Rights (Tables)
 9 Months Ended
Sep. 30, 2024
Transfers and Servicing [Abstract]  
Summary of Changes in Mortgage Servicing Rights
The following table summarizes the changes in MSRs, which are included in other assets on the consolidated balance sheets, with adjustments to the carrying value included in mortgage banking income on the consolidated statements of income:
Three months ended September 30Nine months ended September 30
 2024202320242023
 (dollars in thousands)
Amortized cost:
Balance at beginning of period$30,646 $32,458 $31,602 $34,217 
Originations of MSRs1,058 1,083 2,523 1,967 
Amortization(1,180)(1,193)(3,601)(3,836)
Balance at end of period$30,524 $32,348 $30,524 $32,348 
Estimated fair value of MSRs at end of period$48,971 $51,523 $48,971 $51,523