Stock Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2016

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

Details of Long-Term Compensation Plan and Stock-Based Compensation Expense

The following table summarizes compensation expense recorded under the two plans.

	2016		2015		2014
Restricted stock	$	2,766	$	3,835	$	2,399
Long-term compensation plan		2,105		1,815		851
Total expense	$	4,871	$	5,650	$	3,250

Time-Based Restricted Stock Activity

The following table summarizes the time-based restricted stock activity for the year ended December 31, 2016:

	Shares			Weighted average remaining term (years)		Aggregate intrinsic value
Outstanding at January 1, 2016		414			2.56	$	6,926
Shares vested		(121	)				1,902
Shares awarded		30					505
Shares forfeited		(47	)				800
Outstanding at December 31, 2016		276			1.97		3,767

Performance Share Activity

The following table summarizes activity related to unvested performance restricted stock shares during 2016:

	Total Unvested Shares			Weighted average remaining term (years)		Aggregate intrinsic value
Outstanding at January 1, 2016		366			1.64	$	6,123
Shares vested		(128	)				1,978
Shares awarded		85					1,423
Shares forfeited		(153	)				2,184
Outstanding at December 31, 2016		170			1.71		2,321