Convertible 3.75% Senior Notes (Tables)

3 Months Ended

Mar. 31, 2015

Debt Disclosure [Abstract]

Convertible Debt [Table Text Block]

At March 31, 2015 the net carrying amount of the liability component and the remaining unamortized debt discount were as follows: 

	March 31,
	2015
	(in thousands)
Face Amount of the Notes	$	143,750
Unamortized discount of the liability component		41,849
Carrying Amount of the Notes	$	101,901

Schedule of Long-term Debt Instruments [Table Text Block]

The assumptions used in connection with the valuation of the convertible option of the Notes issued December 16, 2014 utilizing the "with” and “without” method, discussed in Note 3 was as follows:

	Initial Measurement			Measurement			Measurement
	December 16,			December 31,			March 31,
	2014			2014			2015
Issue date		12/17/2014			12/17/2014			12/17/2014
Maturity date		12/15/2019			12/15/2019			12/15/2019
Term		4.99			4.92			4.71
Principal (millions)		143.75			143.75			143.75
Coupon		3.75	%		3.75	%		3.75	%
Seniority		Senior unsecured			Senior unsecured			Senior unsecured
Conversion shares		88.572			88.572			88.572
Conversion price	$	11.29		$	11.29		$	11.29
Stock price	$	9.45		$	8.80		$	8.16
Risk free rate		1.61	%		1.64	%		1.30	%
Volatility (rounded)		40.00	%		40.00	%		42.00	%

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

The table below provides a reconciliation of beginning and ending balances for the liability measured at fair value using significant observable and unobservable inputs (Level 3). The table reflects the gain for the three months ended March 31, 2015 associated with the decrease in fair value.        

	Initial
	Measurement
	December 16,		Decrease in		December 31,		Decrease in		March 31,
	2014		Fair Value		2014		Fair Value		2015
Fair value of convertible feature of convertible 3.75% senior notes	$	43,700	$	2,300	$	41,400	$	8,625	$	32,775

Interest Income and Interest Expense Disclosure [Table Text Block]

For the three months ended March 31, 2015, the Company recorded the following expenses in relation to the Notes:

	March 31,
	2015
	(in thousands)
Interest Expense at 3.75% coupon rate (1)	$	1,348
Debt discount amortization (1)		1,590
Amortization of deferred financing costs (1)		173
	$	3,111

(1) Included within “Interest and other expense, net” on the Condensed Consolidated Statements of Operations