Partners' Capital, Mezzanine Equity and Distributions (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Schedule of Paid Distributions

We paid common unitholders distributions in 2021, 2020 and 2019 as follows:

Distribution For	Date Paid	Per Unit Amount		Total Amount
2018
4th Quarter	February 14, 2019	$	0.5500	$	67,419
2019
1st Quarter	May 15, 2019	$	0.5500	$	67,419
2nd Quarter	August 14, 2019	$	0.5500	$	67,419
3rd Quarter	November 14, 2019	$	0.5500	$	67,419
4th Quarter	February 14, 2020	$	0.5500	$	67,419
2020
1st Quarter	May 15, 2020	$	0.1500	$	18,387
2nd Quarter	August 14, 2020	$	0.1500	$	18,387
3rd Quarter	November 13, 2020	$	0.1500	$	18,387
4th Quarter	February 12, 2021	$	0.1500	$	18,387

We paid the following cash distributions to our Class A Convertible Preferred unitholders:

Distribution For	Date Paid	Per Unit Amount		Total Amount
2019
1st Quarter	May 15, 2019	$	0.2458	$	6,138
2nd Quarter	August 14, 2019	$	0.7374	$	18,684
3rd Quarter	November 14, 2019	$	0.7374	$	18,684
4th Quarter	February 14, 2020	$	0.7374	$	18,684
2020
1st Quarter	May 15, 2020	$	0.7374	$	18,684
2nd Quarter	August 14, 2020	$	0.7374	$	18,684
3rd Quarter	November 13, 2020	$	0.7374	$	18,684
4th Quarter	February 12, 2021	$	0.7374	$	18,684

Schedule of Paid in Kind Distributions

Preferred unit distributions are recognized on the date in which they are declared. Paid in kind distributions were declared and issued as follows:

Distribution Declared	Date Issued	Number of Units	Total Amount
2019
January 2019	February 14, 2019	534,576	$	18,021
April 2019	May 15, 2019	364,180	$	12,277

Schedule of Changes in Class A Convertible Preferred Units

The following table shows the change in our Class A Convertible Preferred Units from December 31, 2018:

	Class A Convertible Preferred Units
	Units	$
Balance as of December 31, 2018	24,438,022	$	761,466
Distributions paid-in-kind	898,756	30,298
Allocation of Distributions paid-kind to Preferred Distribution Rate Reset Election (Note 18)	—	(1,649)
Balance as of December 31, 2019	25,336,778	$	790,115

Schedule of Changes in Redeemable Noncontrolling Interest

The following table shows the change in our redeemable noncontrolling interests from initial measurement at September 23, 2019 to December 31, 2020:

	Year Ended December 31,
	2020
Issuance of Preferred Units	$	55,000
Issuance costs	(5,600)
Balance as of September 23, 2019	49,400
Issuance of preferred units, net of issuance costs	73,500
Distribution paid-in-kind	1,750
Redemption accretion	483
Balance as of December 31, 2019	125,133
Issuance of preferred units, net of issuance costs(1)	9,311
Distribution paid-in-kind	13,811
Redemption accretion	2,302
Tax distributions	(9,363)
Balance as of December 31, 2020	$	141,194

    (1) During 2020, we issued 9,499 Alkali Holdings preferred units to GSO to satisfy the company's obligation to pay tax distributions.