Income Taxes - Significant Deferred Tax Assets and Deferred Tax Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Deferred tax assets
Accrued expenses and other	$ 3,158	$ 3,721
Unrealized gain/loss on investments	1,421	811
Stock-based compensation	4,768	2,638
Deferred revenue	25,844	27,599
Goodwill	4,562	9,217
Operating lease liabilities	478	793
Loss and loss adjustment reserves	6,289	2,479
Net operating losses	105,823	102,044
Disallowed interest	18,243	9,650
Research and development capitalized costs	289	169
Valuation allowance	(148,147)	(140,535)
Total deferred tax assets	22,727	18,586
Deferred tax liabilities
Property and equipment	(61)	(98)
Intangibles	0	(1,167)
Operating lease right-of-use assets	(556)	(774)
Deferred policy acquisition costs	(10,151)	(5,715)
Reinsurance balance due	(13,956)	(11,491)
Total deferred tax liabilities	(24,724)	(19,245)
Net deferred tax liabilities	$ (1,997)	$ (659)