Equity Incentive Plan (Tables)

6 Months Ended

Jun. 30, 2018

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

Summary of Restricted Share Awards

A summary of the Company’s restricted share awards for the six months ended June 30, 2018 and the year ended December 31, 2017 is as follows:

	Six Months Ended				Year Ended
	June 30, 2018				December 31, 2017
	Number of Shares		Weighted - Average  Grant Date Fair Value		Number of Shares		Weighted - Average  Grant Date Fair Value
Non-vested at beginning of the period	57,514		$	23.78	110,825		$	22.05
Granted	—		—		5,000		20.20
Vested	(30,084	)	26.24		(32,441	)	25.77
Forfeited	(24,096	)	21.21		(25,870	)	13.17
Non-vested at end of the period	3,334		$	20.20	57,514		$	23.78

Schedule of Long Term Incentive Unit Awards

A summary of the Company's LTIP Unit awards for the six months ended June 30, 2018 and the year ended December 31, 2017 is as follows:

	Six Months Ended				Year Ended
	June 30, 2018				December 31, 2017
	Number of Units		Weighted - Average  Grant Date Fair Value		Number of Units		Weighted - Average  Grant Date Fair Value
Non-vested at beginning of the period	482,056		$	16.58	295,551		$	14.36
Granted	244,917		16.94		223,922		19.20
Vested	(67,275	)	16.42		(37,417	)	14.73
Forfeited	(183,300	)	$	14.13	—		$	—
Non-vested at end of the period	476,398		$	17.15	482,056		$	16.58

Schedule of Performance-Based Long-Term Incentive Plan Payout Unit Awards

The 2018 Performance-Based LTIP Unit Awards, if earned, will be paid out between 50% and 150% of target value as follows:

	Relative TSR Hurdles (Percentile)	Payout Percentage
Threshold	25th	50%
Target	50th	100%
Maximum	75th	150%

Schedule of Share-based Payment Award, Valuation Assumptions

The grant date fair values of the LTIPs and the assumptions used to estimate the values are as follows:

	Grant Date	Number of Units Granted	Estimated Value Per Unit	Volatility	Dividend Yield	Risk Free Interest Rate
Outperformance Plan LTIP Unit Awards	6/1/2015	183,300	$14.13	26%	4.5%	0.95%
2016 Time-Based LTIP Unit Awards	1/28/2016	72,966	$16.69	28%	—%	0.79%
2016 Performance-Based LTIP Unit Awards	1/28/2016	39,285	$11.09	30%	5.8%	1.13%
2017 Time-Based LTIP Unit Awards	3/1/2017	89,574	$18.53	24%	—%	0.92%
2017 Performance-Based LTIP Unit Awards	3/1/2017	134,348	$19.65	25%	5.8%	1.47%
2018 Time-Based LTIP Unit Awards	3/1/2018	97,968	$16.83	26%	—%	2.07%
2018 Performance-Based LTIP Unit Awards	3/1/2018	146,949	$17.02	26%	6.2%	2.37%