Debt (Details) - USD ($) $ in Thousands			3 Months Ended	12 Months Ended
	Nov. 12, 2024	Sep. 15, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Short-term debt				$ 100,000	$ 100,000
Interest paid				$ 6,000	$ 9,000	$ 8,000
Average interest rate on debt (as a percent)				6.05%	4.07%	3.89%
Weighted average interest rate on debt (as a percent)				5.21%
FHLBC
Debt Instrument [Line Items]
Debt instrument maturity date	Nov. 12, 2025
Amount borrowed from FHLB	$ 50,000			$ 50,000
Repayments of FHLB advances	$ 50,000
Interest paid monthly at an annualized rate	5.44%
Average interest rate on debt (as a percent)	4.44%
FHLBC | RLI Ins.
Debt Instrument [Line Items]
Frequency of interest payment				monthly
Line of Credit | PNC
Debt Instrument [Line Items]
Proceeds from line of credit		$ 50,000
Floating interest rate		5.98%
Maximum borrowing capacity - Line of credit			$ 100,000
Maximum borrowing capacity conditional expansion			$ 130,000
Term of facility			3 years
Line of credit facility expiration date			May 29, 2026
Line of Credit | Bank of Montreal, Chicago Branch
Debt Instrument [Line Items]
Maximum borrowing capacity - Line of credit						$ 60,000
Line of credit facility expiration date						Mar. 27, 2023