Earnings Per Unit - Schedule of Potentially Dilutive Securities excluded from Computation of Earnings Per Share (Details) - shares shares in Thousands	12 Months Ended
Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings Per Share Basic [Line Items]
Potentially dilutive securities (in shares)	14,968	14,968	189
Series A redeemable preferred units on an as-converted basis \| Common Units
Earnings Per Share Basic [Line Items]
Potentially dilutive securities (in shares)	0	0	189
Series B cumulative convertible preferred units on an as-converted basis \| Subordinate Units
Earnings Per Share Basic [Line Items]
Potentially dilutive securities (in shares)	14,968	14,968	0

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

Name:	us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration