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Long-term Debt (Tables)
9 Months Ended
Sep. 30, 2023
Debt Disclosure [Abstract]  
Schedule of Debt
Long-term debt consists of the following as of the dates presented (in thousands):
September 30,December 31,
20232022
Surplus note$4,411 $5,515 
5.625% Senior unsecured notes
100,000 100,000 
Total principal amount104,411 105,515 
Less: unamortized debt issuance costs(2,215)(2,746)
Total long-term debt, net$102,196 $102,769 
Schedule of Interest Expense
The following table provides interest expense related to long-term debt during the periods presented (in thousands):

Three Months Ended
September 30,
Nine Months Ended
September 30,
2023202220232022
Interest Expense:
Surplus note
$47 $49 $146 $115 
5.625% Senior unsecured notes
1,407 1,406 4,219 4,328 
Non-cash expense (1)
177 175 531 526 
Total
$1,631 $1,630 $4,896 $4,969 
(1) Represents amortization of debt issuance costs.