Long-Term Debt (Loss on Extinguishment of Debt) (Details) (USD $)	3 Months Ended		6 Months Ended				3 Months Ended				6 Months Ended		3 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013		Jun. 30, 2012		Mar. 31, 2013 Term Loans		Mar. 31, 2012 Term Loans		Jun. 30, 2013 Term Loans		Mar. 31, 2012 Senior Notes
Extinguishment of Debt [Line Items]
Face Amount Repaid/Retired			$ 2,400,000		$ 75,500,000		$ 1,200,000		$ 70,500,000		$ 1,200,000		$ 5,000,000
Cash Paid			2,400,000		76,000,000		1,200,000		70,500,000		1,200,000		5,500,000
Loss	$ 16,000	$ 0	$ 36,000	[1]	$ 2,611,000	[1]	$ 0	[1]	$ 1,900,000	[1]	$ 0	[1]	$ 700,000	[1]

[1] Including write-off of the discount and deferred financing costs related to the debt retired.