Stockholders' Equity and Equity Compensation (Tables)

3 Months Ended

Mar. 31, 2019

Equity [Abstract]

Summary of all stock award activity

A summary of the stock award activity is as follows:

	Quarter Ended    March 31, 2019
	Stock Awards		Weighted Average Award Date Fair Value
Outstanding at December 31, 2018	1,143,205		$	23.26
Restricted stock units awarded	283,472		20.24
Performance stock units awarded	146,367		22.78
Restricted stock units distributed	(171,073	)	18.21
Performance stock units distributed	(111,155	)	25.85
Restricted stock units forfeited	(6,655	)	23.13
Performance stock units forfeited	(42,939	)	25.90
Outstanding at March 31, 2019	1,241,222		$	22.88

Summary of all deferred stock unit activity

A summary of deferred stock unit activity is as follows:

	Quarter Ended    March 31, 2019
	Deferred Stock Units		Weighted Average Award Date Fair Value
Outstanding at December 31, 2018	287,350		$	22.80
Awarded	2,891		16.69
Distributed	(9,438	)	18.69
Outstanding at March 31, 2019	280,803		$	20.83