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Other Operating Expenses and Other Expenses
 9 Months Ended
Sep. 30, 2021
Other Operating Expenses and Other Expenses [Abstract]  
Other Operating Expenses and Other Expenses Other Operating Expenses and Other Expenses
Other operating expenses consist of the following:
 Three Months Ended
September 30,		Nine Months Ended
September 30,
 2021202020212020
 (in thousands)
Amortization of policy acquisition costs$19,951 $16,660 $64,830 $62,406 
Other underwriting expenses of the operating segments15,955 13,759 48,326 47,280 
Other operating expenses of the Corporate and Other segment7,287 7,805 23,258 23,556 
Total$43,193 $38,224 $136,414 $133,242 
Other expenses of $706,000 and $2.2 million for the three and nine months ended September 30, 2021 include employee severance costs, legal and other professional fees related to the Company’s May 2021 common share offering, and certain legal and professional consulting fees related to various strategic initiatives. Other expenses of $60,000 and $1.8 million for the three and nine months ended September 30, 2020 primarily consist of employee severance costs.