Commitments and Contingencies - Additional Information (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2020 USD ($) Customer	Sep. 30, 2019 USD ($)	Sep. 30, 2020 USD ($) Customer	Sep. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Customer
Commitments And Contingencies Disclosure [Abstract]
Data cost incurred	$ 2,093	$ 1,946	$ 6,396	$ 5,501
Total capital commitment under certain data licensing agreements	9,012		9,012
Decrease for collection customers activities	(1,000)
Loss contingency, concessions granted	$ 94		$ 94		$ 342
Number Of Customers | Customer	22		22		152