Basis of Presentation - Narrative (Details)	3 Months Ended			6 Months Ended	9 Months Ended
	Sep. 30, 2021 USD ($)	Mar. 31, 2021 USD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 USD ($) reporting_unit	Sep. 30, 2020 USD ($)	Jun. 30, 2021 USD ($)	Apr. 08, 2021 USD ($)	Jan. 01, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 30, 2020 USD ($)	Mar. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Property, Plant and Equipment [Line Items]
Number of operating segments | reporting_unit					2
Number of reportable segments | reporting_unit					2
Gain on insurance proceeds	$ 0	$ 4,400,000	$ 0	$ 0	$ 4,400,000	$ 0
Deferred compensation liability	$ 2,600,000			$ 2,600,000	$ 2,600,000					$ 2,800,000
Long-term deferred amount due 2021	50.00%			50.00%	50.00%
Long-term deferred amount due 2022	50.00%			50.00%	50.00%
Accrued payroll taxes	$ 3,400,000			$ 3,400,000	$ 3,400,000					3,400,000
Accrued payroll taxes, current	1,700,000			1,700,000	1,700,000					1,700,000
Services purchased from related party					813,000	0
Adjustment for new accounting pronouncement	524,681,000	$ 177,852,000	$ 66,775,000	524,681,000	524,681,000	$ 66,775,000	$ 436,561,000			188,405,000	$ 68,610,000	$ 76,296,000	$ 72,847,000
Cumulative Effect, Period of Adoption, Adjustment | Accounting Standards Update 2019-12
Property, Plant and Equipment [Line Items]
Adjustment for new accounting pronouncement									$ (15,300,000)
Director | Master Development Agreement
Property, Plant and Equipment [Line Items]
Services purchased from related party					800,000
Director | Developed technology
Property, Plant and Equipment [Line Items]
Accounts payable owed to related party	200,000			200,000	200,000
Punchh Inc.
Property, Plant and Equipment [Line Items]
Deferred taxes	2,200,000			2,200,000	2,200,000			$ 14,162,000		$ 1,800,000
Other Noncurrent Liabilities
Property, Plant and Equipment [Line Items]
Accrued payroll taxes	$ 1,700,000			$ 1,700,000	$ 1,700,000