Long Term Debt (Tables)

12 Months Ended

Dec. 31, 2013

Long-term Debt, Unclassified [Abstract]

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

Long-term debt as of December 31, 2013 consists of the following (in thousands):

Notes	$	245,670
Total long-term debt	$	245,670
Less: Current portion	—
Total long-term debt, less current portion	$	245,670

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

At December 31, 2013, future principal payments for debt were as follows (in thousands):

Year Ended December 31,
2014	$	—
2015	—
2016	—
2017	—
2018	—
Thereafter	250,000
	$	250,000