Revenue - Contract Assets (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020
Change in Contract with Customer, Asset [Abstract]
Balance at December 31, 2019	$ 0
Estimated lifetime value of insurance policies sold by carriers	4,313
Cash receipts	(784)
Balance at December 31, 2020	3,529
Contract assets	3,529	$ 3,529
Long-term accounts receivable		3,365,000
Accounts Receivable Current
Change in Contract with Customer, Asset [Abstract]
Balance at December 31, 2020	164,000
Contract assets	$ 164,000	$ 164,000