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Business acquisition, remaining payment in equal annual period.

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Expect to finalize valuation and complete purchase price allocation period.

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Percentage of cumulative profit loss recorded

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Date when the business acquisition agreement was executed, in YYYY-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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Percentage of voting equity interests acquired at the acquisition date in the business combination.

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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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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination, expected to be settled within one year or the normal operating cycle, if longer.

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Amount of assets acquired at the acquisition date.

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Amount due from customers or clients for goods or services, including trade receivables, that have been delivered or sold in the normal course of business, and amounts due from others, including related parties expected to be converted to cash, sold or exchanged within one year or the normal operating cycle, if longer, acquired at the acquisition date.

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Amount of deferred revenue expected to be recognized as such within one year or the normal operating cycle, if longer, assumed at the acquisition date.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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This item represents the carrying amount on the entity's balance sheet of its investment in common stock of an equity method investee. This is not an indicator of the fair value of the investment, rather it is the initial cost adjusted for the entity's share of earnings and losses of the investee, adjusted for any distributions (dividends) and other than temporary impairment (OTTI) losses recognized.

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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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Amount of income (loss) for proportionate share of equity method investee's income (loss).

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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Net Increase or Decrease in balance of noncontrolling interest in the subsidiary during the reporting period.

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

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The cash outflow associated with the acquisition of a business, net of the cash acquired from the purchase.

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The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence.

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Acquisitions (Details Textual) $ in Thousands, $ in Millions	1 Months Ended	9 Months Ended
	Jul. 31, 2021 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2021 AUD ($)	Sep. 30, 2020 USD ($)	Sep. 30, 2021 AUD ($)	Jun. 30, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2018 USD ($)
Business Acquisition [Line Items]
Business acquisition, net of cash acquired		$ 51,111		$ 11,491
Goodwill		$ 313,246					$ 272,322
Forte Payment Systems, Inc
Business Acquisition [Line Items]
Potential future earn out payments								$ 18,800
Accrued earn out payments						$ 2,400
Tango Telecom Limited
Business Acquisition [Line Items]
Business acquisition date		May 05, 2021	May 05, 2021
Percentage of acquired of equity		100.00%			100.00%
Business acquisition, purchase price		$ 13,000
Business acquisition, net of cash acquired		11,000
Estimated fair values of assets acquired		7,000
Acquired trade accounts receivable		3,400
Deferred revenue		1,700
Goodwill		900
Tango Telecom Limited \| Software
Business Acquisition [Line Items]
Estimated fair values of assets acquired		$ 2,000
Tango Telecom Limited \| Maximum
Business Acquisition [Line Items]
Expect to finalize valuation and complete purchase price allocation period		1 year	1 year
Kitewheel, LLC.
Business Acquisition [Line Items]
Business acquisition date		Jul. 01, 2021	Jul. 01, 2021
Percentage of acquired of equity		100.00%			100.00%
Business acquisition, purchase price		$ 40,000
Acquired trade accounts receivable		3,100
Deferred revenue		$ 3,500
Expect to finalize valuation and complete purchase price allocation period		1 year	1 year
Business acquisition, payment		$ 34,000
Business acquisition, remaining payment in equal annual amount		$ 6,000
Business acquisition, remaining payment in equal annual period		3 years	3 years
Goodwill		$ 30,800
Kitewheel, LLC. \| Acquired customer contracts
Business Acquisition [Line Items]
Estimated fair values of assets acquired		6,600
Kitewheel, LLC. \| Software
Business Acquisition [Line Items]
Estimated fair values of assets acquired		3,200
MobileCard Holdings, LLC
Business Acquisition [Line Items]
Percentage of acquired of equity	64.00%
Business acquisition, payment	$ 2,000
Purchased additional LLC units	$ 4,000
Goodwill		9,600
Fair value of our pre-exiting equity investment		6,200
Non-controlling interest		$ 3,600
Cumulative profits and losses recorded until losses recovered, percentage		100.00%	100.00%
MobileCard Holdings, LLC \| Mobile Money Fintech Payment Company
Business Acquisition [Line Items]
Percentage of noncontrolling equity interest						15.00%
MobileCard Holdings, LLC \| Other Non-current Assets
Business Acquisition [Line Items]
Equity method investment						$ 8,000
Keydok LLC
Business Acquisition [Line Items]
Potential future earn out payments		$ 18,000
Business acquisition date		Sep. 14, 2021	Sep. 14, 2021
Percentage of acquired of equity		100.00%			100.00%
Business acquisition, purchase price		$ 1,000
Goodwill		1,000
DGIT Systems Pty Ltd
Business Acquisition [Line Items]
Potential future earn out payments		$ 13,000			$ 18.0
Business acquisition date		Oct. 04, 2021	Oct. 04, 2021
Percentage of acquired of equity		100.00%			100.00%
Business acquisition, purchase price		$ 16,000	$ 21.3