Stockholders' Equity and Equity Compensation (Tables)

9 Months Ended

Sep. 30, 2016

A summary of the stock award activity is as follows:



	Nine Months Ended September 30, 2016
	Stock Awards		Weighted Average Award Date Fair Value
Outstanding at January 1, 2016	1,275,707		$	19.60
Restricted shares awarded	—		—
Restricted stock units awarded	318,205		18.42
Performance stock units awarded	244,937		18.35
Restricted shares distributed	(159,406	)	23.48
Restricted stock units distributed	(14,034	)	21.50
Performance stock units distributed	—		—
Restricted shares forfeited	(18,499	)	23.16
Restricted stock units forfeited	(64,871	)	17.56
Performance stock units forfeited	(55,936	)	18.58
Outstanding at September 30, 2016	1,526,103		$	18.81

A summary of deferred stock unit activity is as follows:



	Nine Months Ended September 30, 2016
	Deferred Stock Units		Weighted Average Award Date Fair Value
Outstanding at January 1, 2016	247,219		$	19.92
Awarded	44,824		21.22
Distributed	(39,660	)	21.29
Outstanding at September 30, 2016	252,383		$	19.93

A summary of stock option activity is as follows:



	Nine Months Ended September 30, 2016
	Shares		Weighted Average Exercise Price
Outstanding at January 1, 2016	288,383		$	21.73
Granted	—		—
Exercised	(18,193	)	16.80
Canceled/Expired	(1,836	)	25.58
Outstanding at September 30, 2016	268,354		$	22.04
Exercisable at September 30, 2016	268,354		$	22.04

Financial data for stock option exercises are summarized as follows (in thousands):



	Nine Months Ended September 30,
	2016		2015
Amount collected from stock option exercises	$	306	$	1,465
Total intrinsic value of stock option exercises	47		282
Tax shortfall of stock option exercises recorded in additional paid-in-capital	315		109
Aggregate intrinsic value of outstanding stock options	102		379
Aggregate intrinsic value of exercisable stock options	102		379