Subsequent Event (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Subsequent Event [Line Items]
Subsequent Event, Date	Oct. 29, 2014
Senior Credit Facility [Member]
Subsequent Event [Line Items]
Term of Senior Credit Facility	5 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 375,000
Revolving Credit Facility [Member] | Senior Credit Facility [Member]
Subsequent Event [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity	300,000
Revolving Credit Facility [Member] | Senior Secured Revolving Credit Facility [Member]
Subsequent Event [Line Items]
Term of Senior Credit Facility	5 years
Line of Credit Facility, Maximum Borrowing Capacity	$ 450,000