Investments - Narrative (Details) - USD ($)	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Investments, Debt and Equity Securities [Abstract]
Gross unrealized gain (loss) on available for sale securities			$ 13,600,000
Proceeds from sale of debt securities, available-for-sale			0	$ 0
Amount payable for securities purchased	$ 0	$ 0	0	0
Amount receivable for securities sold	0	0	0	$ 0
Gross unrealized gains			354,000		$ 505,000
Gross unrealized losses			537,000		535,000
Other than temporary impairments losses, investments	0	$ 0
Investments	750,000		750,000		1,400,000
Deposits held in trust accounts	8,200,000		8,200,000		8,200,000
Deposits, held in trust for collateral requirements	$ 123,500,000		123,500,000		$ 123,500,000
Collateral of gross unearned premiums and gross loss reserves			122,800,000
Unearned premiums run off			$ 0