Amount after tax of increase (decrease) to equity or (increase) decrease to net assets, resulting from the cumulative effect adjustment of a new accounting principle applied in the period of adoption.

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Amount after tax, before reclassification adjustments of other comprehensive income (loss).

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of stockholders' equity (deficit), net of receivables from officers, directors, owners, and affiliates of the entity, attributable to both the parent and noncontrolling interests. Amount excludes temporary equity. Alternate caption for the concept is permanent equity.

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Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Apr. 01, 2020	Jan. 01, 2020	Apr. 01, 2019	Jan. 01, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	$ 1,715,268	$ 713,345	$ 1,749,030	$ 148,549
Ending balance	1,663,045	921,058	1,663,045	921,058
Accumulated other comprehensive income (loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(85,877)	(5,975)	27,838	(9,870)
Ending balance	(33,970)	11,973	(33,970)	11,973
Net unrealized gain (loss) on revaluation and disposal of other investments
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	5	5	5	5
Ending balance	5	5	5	5
Net unrealized gain (loss) on revaluation and disposal of other investments \| Accounting Standards Update 2016-01
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Cumulative effect from adoption of ASU 2016-01					$ 0	$ 0	$ 0	$ 0
Net foreign exchange gain (loss) on translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning balance	(85,882)	(5,980)	27,833	(9,875)
Net unrealized (loss) gain	51,907	17,948	(61,808)	21,843
Ending balance	$ (33,975)	$ 11,968	$ (33,975)	$ 11,968