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v3.19.2

Consolidated Statements of Cash Flows (Parenthetical) $ in Thousands | 6 Months Ended
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Jun. 30, 2019 USD ($) shares
Right of use asset | $ 18,997
Operating lease liabilities | 23,822
Acquisition Of Etfs Business [Member] |
Non-cash consideration transferred | 270,000
Deferred consideration | $ 172,746
Common Stock [Member] |
Business acquisition, number of shares to be issued | shares | 15,250,000
Series A Non-Voting Convertible Preferred Stock [Member] | Acquisition Of Etfs Business [Member] |
Business acquisition, number of shares to be issued | shares | 14,750

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