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Long-term Debt (Tables)
3 Months Ended
Mar. 31, 2023
Debt Disclosure [Abstract]  
Schedule of Debt
Long-term debt consists of the following as of the dates presented (in thousands):
March 31,December 31,
20232022
Surplus note$5,147 $5,515 
5.625% Senior unsecured notes
100,000 100,000 
Total principal amount105,147 105,515 
Less: unamortized debt issuance costs(2,569)(2,746)
Total long-term debt, net$102,578 $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
March 31,
20232022
Interest Expense:
Surplus note
$53 $27 
5.625% Senior unsecured notes
1,406 1,406 
Non-cash expense (1)
177 175 
Total
$1,636 $1,608 
(1) Represents amortization of debt issuance costs.