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Share-Based Payments (Tables)

12 Months Ended

Dec. 31, 2017

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

Summary of Grants, Exchanges and Forfeitures of Restricted Stock and RSUs

The following table summarizes the grants, exchanges and forfeitures of restricted common stock and RSUs during 2017, 2016 and 2015:

	Type		Restricted Stock			RSUs			Grant Date Fair Value ($)
Outstanding at January 1, 2015			73,927			610,254
	Grant		65,950			666,056			$	12,769
	Vested		(32,492	)		(20,000	)		n/a
	Forfeiture		—			(13,500	)		n/a
Outstanding at December 31, 2015			107,385			1,242,810
	Grant		92,056			903,068			16,477
	Vested		(49,331	)		(397,030	)		n/a
	Forfeiture		—			(45,073	)		n/a
Outstanding at December 31, 2016			150,110			1,703,775
	Grant		27,700			912,916			17,496
	Vested		(72,249	)		(938,541	)		n/a
	Forfeiture		—			(45,404	)		n/a
Outstanding at December 31, 2017			105,561			1,632,746

Below is a summary of restricted stock and RSU vesting dates as of December 31, 2017.

Vesting Year	Restricted Stock			RSU			Total Awards
2018	67,934			758,505			826,439
2019	32,733			569,909			602,642
2020	4,894			304,332			309,226
Total	105,561			1,632,746			1,738,307

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Disclosure of the number and weighted-average grant date fair value for restricted stock and restricted stock units that were outstanding at the beginning and end of the year, and the number of restricted stock and restricted stock units that were granted, vested, or forfeited during the year.

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