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Acquisitions - Narrative (Details) |  |  |  | 1 Months Ended | 12 Months Ended |
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Apr. 08, 2021 USD ($) intangibleAsset $ / shares shares | Dec. 18, 2019 USD ($) shares | Sep. 30, 2019 USD ($) | Dec. 31, 2019 USD ($) | Dec. 31, 2021 USD ($) $ / shares shares | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) | Sep. 30, 2021 $ / shares shares
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Warrant to purchase shares of common stock (in shares) | shares | 500,000 |  |  |  | 3,975 |  |  |
Exercise price of warrant (in dollars per share) | $ / shares | $ 76.50 |  |  |  | $ 75.90 |  |  |
Expected term | 5 years |  |  |  |  |  |  |
Remaining indemnification assets |  |  |  |  | $ 2,200,000 |  |  |
Reduction of cash consideration |  |  |  |  | 3,500,000 |  |  |
Increase in fair value of equity consideration |  |  |  |  | 1,600,000 |  |  |
Decrease in value of intangible assets |  |  |  |  | 3,600,000 |  |  |
Decrease in net deferred tax liability |  |  |  |  | 3,100,000 |  |  |
Net reduction in goodwill |  |  |  |  | 1,467,000 |  |  |
Number of acquired intangible assets | intangibleAsset | 3 |  |  |  |  |  |  |
Benefit from income taxes |  |  |  |  | 9,424,000 | $ 2,986,000 | $ 3,634,000 |
Acquisition costs reflected in pro forma results |  |  |  |  | 75,799,000 | 36,562,000 | 15,571,000 |
Settlement of working capital for acquisition |  |  |  |  | 0 | 191,000 | 0 |
Change in fair value of contingent consideration |  |  |  |  | $ 0 | 3,340,000 | 0 |
Acquisition-related Costs |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Acquisition costs reflected in pro forma results |  |  |  |  |  | 3,600,000 |  |
Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 3 years |  |  |
Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 7 years |  |  |
Customer Relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 7 years |  |  |
Trade names | Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 2 years |  |  |
Trade names | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  |  |  |  | 5 years |  |  |
Punchh Inc. |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, purchase price | $ 507,700,000 |  |  |  |  |  |  |
Business acquisition, cash paid | $ 397,500,000 |  |  |  |  |  |  |
Equity interest issued (in shares) | shares | 1,493,130 |  |  |  |  |  |  |
Percentage of interest acquired of limited liability company | 100.00% |  |  |  |  |  |  |
Average share price used in consideration transferred (in dollars per share) | $ / shares | $ 68.00 |  |  |  |  |  |  |
Consideration paid, equity issued | $ 101,500,000 |  |  |  |  |  |  |
Additional common stock reserved for options (in shares) | shares | 112,204 |  |  |  |  |  |  |
Fair value of fully vested option awards | $ 8,700,000 |  |  |  |  |  |  |
Reserve of common shares for equity consideration | shares | 1,594,202 |  |  |  |  |  |  |
Fair value of equity consideration | $ 110,200,000 |  |  |  |  |  |  |
Acquisition-related expenses | 3,600,000 |  |  |  |  |  |  |
Aggregate principal amount | 180,000,000 |  |  |  |  |  |  |
Sale of stock, consideration received on transaction | $ 160,000,000 |  |  |  |  |  |  |
Exercise price of warrant (in dollars per share) | $ / shares | $ 76.50 |  |  |  |  |  |  | $ 75.90
Expected term | 5 years |  |  |  |  |  |  |
Third party escrow deposit | $ 6,000,000 |  |  |  |  |  |  |
Term of escrow deposit | 18 months |  |  |  |  |  |  |
Funds distributed from escrow account for indemnification obligations | $ 3,800,000 |  |  |  |  |  |  |
Portion received from escrow for settlement of post-closing obligations |  |  |  |  | $ 3,500,000 |  |  |
Escrow funds released to former acquiree shareholders |  |  |  |  | 300,000 |  |  |
Remaining indemnification liabilities |  |  |  |  | 2,200,000 |  |  |
Loan payables | 3,508,000 |  |  |  |  |  |  |
Unfavorable lease obligation | 300,000 |  |  |  |  |  |  |
Deferred taxes | 11,794,000 |  |  |  |  |  |  |
Benefit from income taxes |  |  |  |  | 10,400,000 |  |  |
Revenue of acquiree |  |  |  |  | 27,700,000 |  |  |
Consideration of business acquisition | 507,708,000 |  |  |  |  |  |  |
Punchh Inc. | Paycheck Protection Program, CARES Act |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Loan payables | $ 3,300,000 |  |  |  |  |  |  |
Punchh Inc. | Director |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Warrant to purchase shares of common stock (in shares) | shares | 500,000 |  |  |  |  |  |  | 3,975
Punchh Inc. | Developed Technology Rights |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful lives | 7 years |  |  |  |  |  |  |
Finite-lived intangible assets | $ 84,600,000 |  |  |  |  |  |  |
Estimated useful life | 7 years |  |  |  |  |  |  |
Punchh Inc. | Developed Technology Rights | Measurement Input, Discount Rate |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fair value measurement input | 11.00% |  |  |  |  |  |  |
Punchh Inc. | Customer Relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful lives | 7 years |  |  |  |  |  |  |
Finite-lived intangible assets | $ 7,500,000 |  |  |  |  |  |  |
Punchh Inc. | Customer Relationships | Measurement Input, Discount Rate |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fair value measurement input | 11.00% |  |  |  |  |  |  |
Punchh Inc. | Customer Relationships | Measurement Input, Annual Attrition Rate |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fair value measurement input | 5.00% |  |  |  |  |  |  |
Punchh Inc. | Trade names |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangible assets | $ 5,800,000 |  |  |  |  |  |  |
Punchh Inc. | Trade names | Measurement Input, Discount Rate |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fair value measurement input | 11.00% |  |  |  |  |  |  |
Punchh Inc. | Trade names | Measurement Input, Relief From Royalty Rate |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Fair value measurement input | 1.00% |  |  |  |  |  |  |
Drive-Thru Communications Systems, 3M |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, purchase price |  |  | $ 8,400,000 |  |  |  |  |
Business acquisition, cash paid |  |  | 7,000,000 |  |  |  |  |
Revenue of acquiree |  |  |  |  | 18,100,000 | 18,500,000 | 3,200,000 |
Consideration of business acquisition |  |  | 7,000,000 |  |  |  |  |
Warranty liability assumed |  |  | 1,400,000 |  |  |  |  |
Fair value of assets acquired |  |  | 8,412,000 |  |  |  |  |
Drive-Thru Communications Systems, 3M | Developed Technology Rights |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangible assets |  |  | 1,200,000 |  |  |  |  |
Drive-Thru Communications Systems, 3M | Customer Relationships |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangible assets |  |  | 3,600,000 |  |  |  |  |
Drive-Thru Communications Systems, 3M | Trade names |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangible assets |  |  | $ 0 |  |  |  |  |
AccSys LLC (Restaurant Magic) |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Business acquisition, cash paid |  | $ 12,800,000 |  |  |  |  |  |
Percentage of interest acquired of limited liability company |  | 100.00% |  |  |  |  |  |
Fair value of equity consideration |  | $ 27,500,000 |  |  |  |  |  |
Revenue of acquiree |  |  |  |  | $ 9,400,000 | 8,400,000 | 300,000 |
Consideration of business acquisition |  | 42,833,000 |  |  |  |  |  |
Settlement of working capital for acquisition |  | 200,000 |  |  |  |  |  |
Value of the Earn-Out |  | 3,300,000 |  | $ 3,300,000 |  | 0 | $ 3,300,000 |
Change in fair value of contingent consideration |  |  |  |  |  | $ (3,300,000) |  |
Fair value of assets acquired |  | $ 47,517,000 |  |  |  |  |  |
AccSys LLC (Restaurant Magic) | Minimum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  | 2 years |  |  |  |  |  |
AccSys LLC (Restaurant Magic) | Maximum |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Estimated useful life |  | 7 years |  |  |  |  |  |
AccSys LLC (Restaurant Magic) | RSU |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Equity interest issued (in shares) | shares |  | 2,000,000 |  |  |  |  |  |
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 |  | $ 2,000,000 |  |  |  |
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 |  |  |  |  |  |
AccSys LLC (Restaurant Magic) | Trade names |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |
Finite-lived intangible assets |  | $ 900,000 |  |  |  |  |  |

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