Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257

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Earnings Per Share - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities excluded from the computation of diluted earnings per share (in shares)	6,917,218	3,118,548	6,917,218	3,189,399
Long-term equity-based compensation expense		$ 19,654		$ 19,654
Convertible Debt Securities
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Antidilutive securities excluded from the computation of diluted earnings per share (in shares)	32,242,975		32,242,975
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated vesting of equity instruments (in shares)		473,126
Performance Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Accelerated vesting of equity instruments (in shares)		903,100
Southeastern Asset Management, Inc.
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Ownership percentage in equity method investment		25.00%		25.00%