Revenue - Contract Assets (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2022 USD ($)
Change in Contract with Customer, Asset [Abstract]
Balance at beginning of the year	$ 9,384
Estimated lifetime value of insurance policies sold by carriers	2,422
Cash receipts	(753)
Balance at end of the year	11,053
Contract assets	11,053
Long-term accounts receivable	9,100
Accounts Receivable Current
Change in Contract with Customer, Asset [Abstract]
Balance at end of the year	2,000
Contract assets	$ 2,000