The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of an intangible asset (excluding goodwill) to fair value.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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Sale of MATCHNow - Narrative (Details) - USD ($)		1 Months Ended	12 Months Ended
Sale of MATCHNow - Narrative (Details) - USD ($)	Aug. 04, 2020	May 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Total sale proceeds received			$ 0	$ 60,592,000	$ 0
MATCHNow
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Impairment				$ 0
MATCHNow \| Disposal Group, Disposed of by Sale, Not Discontinued Operations
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Percentage of interests disposed		100.00%
Total sale proceeds received	$ 60,592,000
Contingent consideration (up to)	23,000,000
Transaction costs	2,453,000
Gain on sale of MATCHNow	$ 58,652,000