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v3.20.1

Deferred Acquisition Consideration (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2020 | Mar. 31, 2019 | Dec. 31, 2019
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Beginning balance of contingent payments | $ 74,671 | $ 82,598 | $ 82,598
Payments | 1,125 |  | 30,719
Redemption value adjustments | (2,575) | (6,834) | 15,451
Additions | 1,389 |  | 7,145
Foreign translation adjustment | (185) |  | 196
Ending balance of contingent payments | 72,175 |  | 74,671
Deferred acquisition consideration | 72,736 |  | 75,220
Stock-based compensation | 2,025 | 809 |
Fixed payments |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Deferred acquisition consideration | 561 |  | $ 549
Contingent Payment |  |  |
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] |  |  |
Income attributable to fair value adjustments | $ (4,600) | $ (7,643) |

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- Definition Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 4 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e7008-128479 + Details
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