Guarantor Financial Information - Additional Information (Details) - Convertible Notes 3.00 % Cash/5..00% PIK Due 2024 - Senior Notes - Subsequent Event	Feb. 24, 2020
Condensed Financial Statements, Captions [Line Items]
Stated interest rate (as a percent)	3.00%
Paid in kind interest rate (as a percent)	5.00%

Contractual interest rate for funds borrowed, under the debt agreement.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Name:	us-gaap_DebtInstrumentInterestRateStatedPercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	instant