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- Definition

Business Combination Recognized Identifiable Assets Acquired And Liabilities Assumed Assets Acquired Including Goodwill

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- Definition

Proceeds From Settlement Of Working Capital For Acquisitions

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

Number of shares of equity interests issued or issuable to acquire entity.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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- Definition

Percentage of voting equity interests acquired at the acquisition date in the business combination.

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- Definition

Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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- Definition

Amount of equity interests of the acquirer, including instruments or interests issued or issuable in consideration for the business combination.

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- Definition

Amount of liabilities incurred by the acquirer as part of consideration transferred in a business combination.

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- Definition

Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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- Definition

Amount of liability recognized arising from contingent consideration in a business combination.

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- Definition

This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period.

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- Definition

The amount of identifiable intangible assets recognized as of the acquisition date.

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- Definition

Amount recognized for assets, including goodwill, in excess of (less than) the aggregate liabilities assumed.

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- Definition

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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- Definition

The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price.

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Acquisitions - Narrative (Details) - USD ($)			3 Months Ended	12 Months Ended
Acquisitions - Narrative (Details) - USD ($)	Dec. 18, 2019	Sep. 30, 2019	Jun. 30, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Business Acquisition [Line Items]
Fair value of assets acquired	$ 55,929,000
Goodwill	30,163,000			$ 41,214,000	$ 41,386,000	$ 11,051,000
Consideration of business acquisition	49,833,000
Settlement of working capital for acquisition				191,000	0	0
Value of the Earn-Out				0
Change in fair value of contingent consideration				3,340,000	0	$ 450,000
Developed Technology Rights
Business Acquisition [Line Items]
Finite-lived intangible assets	17,600,000
Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible assets	4,700,000
Drive-Thru Communications Systems, 3M
Business Acquisition [Line Items]
Business acquisition, purchase price		$ 8,400,000
Fair value of assets acquired	8,412,000	8,400,000
Goodwill	2,390,000	2,400,000
Warranty liability assumed		1,400,000
Business acquisition, cash paid		7,000,000.0
Consideration of business acquisition	7,000,000
Revenue of acquiree				18,500,000	3,200,000
Drive-Thru Communications Systems, 3M \| Developed Technology Rights
Business Acquisition [Line Items]
Finite-lived intangible assets	1,200,000	1,200,000
Drive-Thru Communications Systems, 3M \| Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible assets	3,600,000	$ 3,600,000
AccSys LLC (Restaurant Magic)
Business Acquisition [Line Items]
Fair value of assets acquired	47,517,000
Goodwill	27,773,000
Business acquisition, cash paid	$ 12,800,000
Percentage of interest acquired of limited liability company	100.00%
Consideration of business acquisition	$ 42,833,000
Settlement of working capital for acquisition			$ 200,000
Business acquisition, paid in shares	$ 27,500,000
Value of the Earn-Out				0	3,300,000
Change in fair value of contingent consideration				3,300,000
Revenue of acquiree				$ 8,400,000	$ 300,000
AccSys LLC (Restaurant Magic) \| Restricted stock units
Business Acquisition [Line Items]
Equity interest issued (in shares)				2,000,000.0
AccSys LLC (Restaurant Magic) \| Minimum
Business Acquisition [Line Items]
Estimated useful lives	2 years
AccSys LLC (Restaurant Magic) \| Maximum
Business Acquisition [Line Items]
Estimated useful lives	7 years
AccSys LLC (Restaurant Magic) \| Cash Or Subordinated Promissory Notes
Business Acquisition [Line Items]
Earn outs payable	50.00%
AccSys LLC (Restaurant Magic) \| Restricted Shares Of Common Stock
Business Acquisition [Line Items]
Earn outs payable	50.00%
AccSys LLC (Restaurant Magic) \| Subordinate Promissory Note
Business Acquisition [Line Items]
Warranty liability assumed	$ 2,000,000.0
AccSys LLC (Restaurant Magic) \| Developed Technology Rights
Business Acquisition [Line Items]
Finite-lived intangible assets	16,400,000
AccSys LLC (Restaurant Magic) \| Customer Relationships
Business Acquisition [Line Items]
Finite-lived intangible assets	$ 1,100,000