PARTNERS' CAPITAL AND MEZZANINE CAPITAL (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Schedule of partner units activity

Common Units. A rollforward of the number of issued and outstanding common limited partner units follows for the period from December 31, 2020 to March 31, 2021.

	Common Units
Units, December 31, 2020		6,110,092
Common units issued for SMLP LTIP, net		95,929
Units, March 31, 2021		6,206,021

Change in subsidiary

The following table shows the change in our Subsidiary Series A Preferred Unit balance from January 1, 2021 to March 31, 2021:

	2021
	(in thousands)
Balance at January 1,	$	89,658
PIK distributions		1,494
Redemption accretion		2,438
Balance at March 31,	$	93,590