PARTNERS' CAPITAL (Tables)

9 Months Ended

Sep. 30, 2019

A rollforward of the number of preferred limited partner, common limited partner and General Partner units follows.

	Limited partners
	Series A Preferred Units		Common		General Partner
Units, January 1, 2019		300,000		73,390,853		1,490,999
Conversion of General Partner economic interests		—		8,750,000		(1,490,999	)
Net units issued under the SMLP LTIP		—		607,492		—
Units, September 30, 2019		300,000		82,748,345		—

Details of cash distributions

Our payment of IDRs as reported in distributions to unitholders – general partner in the statement of partners' capital during the three and nine months ended September 30 follow.

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
	(In thousands)
IDR payments	$	—	$	2,136	$	2,139	$	6,400

We paid the following per-unit distributions during the three and nine months ended September 30

	Three months ended September 30,				Nine months ended September 30,
	2019		2018		2019		2018
Per-unit distributions to unitholders	$	0.2875	$	0.575	$	1.1500	$	1.725