Additions made to capitalized computer software costs during the period.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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Identifiable Intangible Assets and Goodwill - Narrative (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2021 USD ($) reporting_unit	Mar. 31, 2020 USD ($)	Dec. 31, 2020 USD ($)
Finite-Lived Intangible Assets [Line Items]
Research and development	$ 5,809	$ 4,865
Capitalized software development costs	4,800	1,800
Amortization of capitalized software development costs	$ 2,000	$ 1,600
Number of operating segments \| reporting_unit	2
Goodwill	$ 41,214		$ 41,214
Restaurant/Retail And Government Reporting Segments
Finite-Lived Intangible Assets [Line Items]
Goodwill	41,200		41,200
Internally Developed Software Costs Not Meeting General Release Threshold
Finite-Lived Intangible Assets [Line Items]
Research and development	$ 3,600		$ 6,500
Minimum
Finite-Lived Intangible Assets [Line Items]
Useful life	3 years
Maximum
Finite-Lived Intangible Assets [Line Items]
Useful life	5 years