Segment and Related Information - Revenue by Major Customers (Details) - Customer Concentration Risk - Revenue Benchmark	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue, Major Customer [Line Items]
Concentration risk, percentage	100.00%	100.00%
Restaurant/Retail | Yum! Brands, Inc.
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	12.00%
Restaurant/Retail | McDonald’s Corporation
Revenue, Major Customer [Line Items]
Concentration risk, percentage	10.00%	7.00%
Government | U.S. Department of Defense
Revenue, Major Customer [Line Items]
Concentration risk, percentage	27.00%	33.00%
Government | All Others
Revenue, Major Customer [Line Items]
Concentration risk, percentage	53.00%	48.00%