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Merchant Link Acquisition - Additional Information (Details) - USD ($) $ in Millions		3 Months Ended	6 Months Ended
	Aug. 31, 2019	Mar. 31, 2020	Jun. 30, 2020
Business Acquisition [Line Items]
Measurement period adjustment, increase to goodwill			$ 0.7
Merchant Link Acquisition
Business Acquisition [Line Items]
Business acquisition date	Aug. 31, 2019
Business acquisition, percentage of membership interests acquired	100.00%
Business acquisition, consideration transferred	$ 64.0
Business acquisition, net of cash acquired	$ 60.2
Business acquisition, percentage of customer base integrated	80.00%
Measurement period adjustment, accounts receivable		$ (0.7)
Measurement period adjustment, increase to goodwill		$ 0.7

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Date when the acquirer obtains control of the acquiree, in CCYY-MM-DD format.

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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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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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