Share-Based Compensation (Tables)

9 Months Ended

Sep. 30, 2013

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

Summary of Share-Based Compensation Expense

The following table summarizes our share-based compensation expense recognized for the periods presented:

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
Equity-classified awards:
Stock option awards	$	612	$	950	$	2,518	$	3,108
Common, deferred and restricted stock and stock unit awards	398		332		2,263		1,125
	1,010		1,282		4,781		4,233
Liability-classified awards	1,095		165		1,544		790
	$	2,105	$	1,447	$	6,325	$	5,023