Debt - Covenant Compliance (Details) - Senior Notes - Revolving Credit Agreement	3 Months Ended
Mar. 31, 2020
5.250% senior unsecured notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	5.25%
5.625% senior unsecured notes due 2027
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	5.625%
5.375% senior unsecured notes due 2025
Debt Instrument [Line Items]
Debt instrument, redemption price, percentage	5.375%

Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph e
-URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823

Name:	us-gaap_DebtInstrumentRedemptionPricePercentage
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration