Total Debt (Tables)

12 Months Ended

Dec. 31, 2013

Long-term Debt, Unclassified [Abstract]

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

The following table presents our total debt outstanding at December 31, 2013 and 2012 (in thousands):

	As of December 31,
	2013		2012
Total long-term debt:
$300 million senior unsecured notes	$	300,000	$	—
$500 million senior secured credit facility	58,000		—
Swing line of credit	11,191		—
Total long-term debt	369,191		—
Current maturities of long-term debt:
$375 million senior secured credit facility	—		205,000
Swing line of credit	—		4,728
Current maturities of long-term debt	—		209,728
Total debt	$	369,191	$	209,728

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

Future aggregate maturities of total debt are as follows (in thousands):

Year Ended December 31,
2014	$	—
2015	—
2016	—
2017	—
Thereafter	369,191
Total	$	369,191