Revenue - Contract Assets (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Change in Contract with Customer, Asset [Roll Forward]
Balance at beginning of the year	$ 15,521	$ 9,384	$ 3,529
Estimated lifetime value of commissions on insurance policies sold by carriers	6,583	9,925	8,089
Cash receipts	(4,711)	(3,788)	(2,234)
Balance at end of the year	17,393	15,521	$ 9,384
Accounts Receivable Current
Change in Contract with Customer, Asset [Roll Forward]
Balance at beginning of the year	3,300
Balance at end of the year	$ 4,000	$ 3,300