Issuances of Beneficial Unit Certificates	12 Months Ended
Dec. 31, 2020
Issuances Of Beneficial Unit Certificates [Abstract]
Issuances of Beneficial Unit Certificates	21. Issuances of Beneficial Unit Certificates In December 2019, a “shelf” Registration Statement on Form S-3 was declared effective by the SEC and allows the Partnership to offer up to $225.0 million of BUCs for sale from time to time. This Registration Statement will expire in December 2022.

Issuances Of Beneficial Unit Certificates [Abstract]

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