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Long-term Debt - Schedule of Long-Term Debt (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Total principal amount	$ 104,779	$ 105,515
Less: unamortized debt issuance costs	(2,392)	(2,746)
Total long-term debt, net	102,387	102,769
Surplus note
Debt Instrument [Line Items]
Total principal amount	4,779	5,515
5.625% Senior unsecured notes
Debt Instrument [Line Items]
Total principal amount	$ 100,000	$ 100,000

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