Debt (Tables)

6 Months Ended

Jun. 30, 2016

Debt Disclosure [Abstract]

Outstanding Debt Obligations

Outstanding debt obligations at June 30, 2016 and December 31, 2015 were as follows.

	June 30, 2016			December 31, 2015
Debt:
Revolving Credit Facility	$	118,836		$	145,152
Convertible Notes	85,000			85,000
Mortgages	13,662			10,333
Equipment and working capital notes	347			2,832
Capital leases	433			500
Total debt	218,278			243,817
Less: debt discount, net of accretion	(7,100		)	(9,062		)
Total debt, net of unaccreted discount	$	211,178		$	234,755
Less current portion of long-term debt	(708		)	(3,187		)
Total long-term debt, net of unaccreted discount	$	210,470		$	231,568

Carrying Amount of Debt

The carrying amount of the principal amount of the liability component, the unamortized discount, and the net carrying amount are as follows as of June 30, 2016.

Principal amount of debt	$	85,000
Unamortized discount	7,100
Carrying value of debt	$	77,900

Interest Expense Associated with Convertible Notes

Interest expense associated with the Convertible Notes consists of the following components.

	Quarter Ended
	June 30, 2016		June 30, 2015
Contractual coupon rate of interest	$	584	$	586
Accretion of Convertible Notes discount and amortization of deferred financing costs	994		917
Interest expense for the convertible notes	$	1,578	$	1,503
	Year to Date Ended
	June 30, 2016		June 30, 2015
Contractual coupon rate of interest	$	1,169	$	1,170
Accretion of Convertible Notes discount and amortization of deferred financing costs	1,962		1,898
Interest expense for the convertible notes	$	3,131	$	3,068