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Common Unit Repurchase and Retirement - Additional Information (Detail) - USD ($)
shares in Thousands
1 Months Ended 3 Months Ended 98 Months Ended 99 Months Ended
Dec. 04, 2019
Jun. 30, 2021
May 31, 2021
Jun. 30, 2021
Mar. 31, 2021
Dec. 31, 2020
Aug. 31, 2020
Sep. 30, 2020
Jul. 31, 2020
Capital Unit [Line Items]                  
Company's common units authorized for repurchase             6,000   2,000
Fifth Amendment                  
Capital Unit [Line Items]                  
Availability required to repurchase common units $ 45,000,000                
Percentage of the maximum facility size on a historical proforma and forward-looking basis 15.00%                
Non Seasonal maximum borrowing capacity under revolving credit facility $ 300,000,000                
Minimum fixed charge coverage ratio for distributions to unit holders or to repurchase common units 115.00%                
Repurchase Plan                  
Capital Unit [Line Items]                  
Company's common units repurchased and retired   259 309 568 538 2,591 14,400 17,697  
Common Stock Available for Repurchase Under Privately Negotiated Transactions                  
Capital Unit [Line Items]                  
Company's common units authorized for repurchase             1,100    
Common Stock Available for Repurchase Under Open Market Transactions                  
Capital Unit [Line Items]                  
Company's common units authorized for repurchase             4,900