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Redeemable Preferred Units - Additional Information (Details) - $ / shares
9 Months Ended
Sep. 30, 2021
Oct. 31, 2017
Aug. 31, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
May 31, 2016
Mar. 31, 2016
Redemption Price per Unit   $ 10.00 $ 10.00 $ 10.00 $ 10.00 $ 10.00 $ 10.00 $ 10.00
Series A Preferred Units or Series A-1 Preferred Units [Member]                
Redemption Price per Unit $ 10.00              
Minimum threshold written notice period for redemption of temporary equity 180 days              
Series B Preferred Units                
Redemption Price per Unit $ 10.00