Assets and Liabilities Held for Sale (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Disposal Group, Including Discontinued Operation, Assets
Goodwill	$ 53,882
RSD Segment
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Disposal Group, Including Discontinued Operation, Consideration	75,000
Disposal Group, Including Discontinued Operation, Assets
Goodwill	53,882
Payments and Ticketing business | RSD Segment
Disposal Group, Including Discontinued Operation, Assets
Cash and cash equivalents	7,545
Accounts receivable	4,023
Unbilled receivables	859
Prepaids and other current assets	2,997
Intangible assets, net	19,793
Goodwill	53,882
Property, plant and equipment, net	1,168
Operating lease right-of-use assets	1,373
Other assets	206
Total assets held for sale	91,846
Disposal Group, Including Discontinued Operation, Liabilities
Accounts payable	502
Accrued salaries and benefits	1,630
Deferred revenue	4,378
Operating lease liabilities	1,488
Other liabilities	5,708
Total liabilities held for sale	13,706
Total net assets held for sale	78,140
Foreign currency translation adjustment related to Payments and Ticketing business	10,318
Total net assets including foreign currency translation adjustment	88,458
Estimated fair value less costs to sell	$ (71,468)