Share-Based Compensation (Tables)

12 Months Ended

Dec. 31, 2016

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

Summary of recognized stock-based compensation expense

The following table summarizes share-based compensation expense recognized:

	Years ended December 31,
	2016		2015		2014
Restricted stock units	$	6,263	$	3,705	$	2,261
Phantom stock units		117		141		131
Stock options		-		-		-
Total	$	6,380	$	3,846	$	2,392

Schedule of unrecognized compensation cost, nonvested awards

The following table summarizes unrecognized compensation cost and the weighted average remaining amortization periods at December 31, 2016 (amortization periods in years):

	Unrecognized Compensation Cost		Weighted Average Remaining Amortization Periods
Restricted stock units	$	2,413		0.7
Phantom stock units		-		0.0
Stock options		-		0.0
Total	$	2,413

Restricted Stock Units Activity

RSU activity for the years ended December 31, 2016, 2015, and 2014 is presented below (number of RSUs in thousands):

	Years ended December 31,
	2016					2015					2014
	Number of RSUs			Weighted Average Grant-date Fair Value		Number of RSUs			Weighted Average Grant-date Fair Value		Number of RSUs			Weighted Average Grant-date Fair Value
Outstanding:
Beginning of year		1,028		$	13.24		1,147		$	12.75		1,059		$	13.40
Granted		353			11.35		349			13.60		336			13.48
Vested*		(155	)		12.27		(182	)		11.41		(146	)		15.87
Cancelled or forfeited		(222	)		13.19		(286	)		12.89		(102	)		17.45
End of year		1,004		$	12.74		1,028		$	13.24		1,147		$	12.75
Expected to vest		1,004					806					649

* The number of RSUs vested includes shares that the Company withheld on behalf of employees to satisfy statutory tax withholding requirements.

Schedule of share-based compensation arrangement by share-based payment award, performance-based units, vested and expected to vest

The number of performance-based RSUs scheduled to vest increases ratably based on the achievement of defined performance criteria between the established target and maximum levels.  RSUs with performance-based vesting criteria are expected to vest as follows (number of RSUs in thousands):

Vesting Date	Expected to Vest		Not Expected to Vest		Total
January 1, 2017**		192		-		192
January 1, 2018		202		-		202
January 1, 2019		213		-		213

** The performance vesting criteria for the performance-based RSUs with a vesting date of January 1, 2017 were achieved.

Phantom stock units activity under the 2007 Program

The following table summarizes the Company's phantom stock units activity for the years ended December 31, 2016, 2015, and 2014 (number of phantom stock units in thousands):

	Years ended December 31,
	2016				2015				2014
	Number of Phantom Stock Units		Grant- date Fair Value per Unit		Number of Phantom Stock Units		Grant- date Fair Value per Unit		Number of Phantom Stock Units		Grant- date Fair Value per Unit
Outstanding:
Beginning of year		132				119				107
Granted		10	$	11.71		10	$	14.09		10	$	13.12
Dividend equivalents issued		3				3				2
Redeemed for common stock		-				-				-
End of year		145				132				119