Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2021	Mar. 31, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020	Dec. 31, 2018	Dec. 31, 2017
Effective tax rates reconciliation
Statutory federal income tax rate (as a percent)				21.00%	21.00%	21.00%	35.00%
Annual income tax rate (as a percent)					37.40%
Annual effective rate relates to the required valuation allowance (as a percent)					10.30%
Discrete estimated annual effective income tax rate percent				19.50%
Income tax expense (benefit)	$ 1,479		$ 4,664	$ 4,532	$ 5,873
U.S.
Effective tax rates reconciliation
Annual income tax rate (as a percent)					27.10%
PANTAYA
Effective tax rates reconciliation
Gain related to the step acquisition		$ 30,100		$ 30,100
Puerto Rico
Effective tax rates reconciliation
Annual income tax rate (as a percent)				25.80%