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Unit-based Compensation (Tables)
12 Months Ended
Dec. 31, 2019
Share-based Payment Arrangement [Abstract]  
Schedule of Nonvested Restricted Stock Units Activity
Non-vested phantom unit awards as of December 31, 2019 and 2018 and awards granted during the respective periods were as follows:
 
 
Number of
Units
 
Weighted
Average Fair Value
Non-vested balance at December 31, 2017
 
29,264

 
$
23.09

Granted
 
9,777

 
26.00

Vested
 
(19,364
)
 
25.20

Non-vested balance at December 31, 2018
 
19,677

 
23.78

Granted
 
18,272

 
22.03

Vested
 
(24,315
)
 
21.90

Non-vested balance at December 31, 2019
 
13,634

 
23.24