Supplemental Disclosure of Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Supplemental Cash Flow Information [Abstract]
Interest paid	$ 62,293	$ 65,427
Income taxes paid	1,834	1,650
Write-off of deferred costs	440	744
Acquisition of assets, net of related payables and cash received [Line Items]
Cash and escrow deposits - restricted	0	3,313
Prepaid expenses and other current assets	(1,326)	(2,817)
Property, plant and equipment and leasehold intangibles, net	17,157	123,450
Other intangible assets, net	2,306	6,494
Other assets, net	409	(7,327)
Accrued expenses	(3,866)	(489)
Other liabilities	0	2,335
Long-term debt	(9,845)	(15,000)
Net	$ 4,835	$ 109,959