UNIT-BASED COMPENSATION (Tables)

6 Months Ended

Jun. 30, 2014

Phantom and restricted units

MEMBERSHIP INTERESTS

Schedule of activity

A rollfoward of phantom and restricted unit activity follows.

	Six months ended June 30, 2014
	Units		Weighted-average grant date fair value
Nonvested phantom and restricted units, beginning of period	283,682		$	23.41
Phantom units granted	136,867		$	42.32
Restricted units granted	—		$	—
Phantom and restricted units vested	(61,036	)	$	25.20
Phantom units forfeited	(10,760	)	$	25.85
Nonvested phantom and restricted units, end of period	348,753		$	30.44

Long-term Incentive Plan

MEMBERSHIP INTERESTS

Schedule of non-cash compensation expense recognized in general and administrative expense

Unit-based compensation recognized in general and administrative expense related to awards under the LTIP was as follows:

	Three months ended June 30,				Six months ended June 30,
	2014		2013		2014		2013
	(In thousands)
SMLP LTIP unit-based compensation	$	1,361	$	814	$	2,424	$	1,141