Stock-Based Compensation - Activity of Phantom Units (Details) - Unvested phantom units	12 Months Ended
	Dec. 31, 2020 $ / shares shares
Number of Units
Unvested units outstanding, beginning balance (in units) | shares	120,562
Vested (in units) | shares	(111,699)
Forfeited (in units) | shares	(8,863)
Unvested units outstanding, ending balance (in units) | shares	0
Weighted-Average Grant-Date Value per Phantom Unit
Unvested phantom units outstanding, beginning balance (in dollars per unit) | $ / shares	$ 11.49
Vested (in dollars per unit) | $ / shares	11.32
Forfeited (in dollars per unit) | $ / shares	14.26
Unvested phantom units outstanding, ending balance (in dollars per unit) | $ / shares	$ 0