Accrued Expenses (Details) (USD $)	Dec. 31, 2013	Dec. 31, 2012
Accrued Liabilities [Abstract]
Accrued compensation and benefits	$ 24,461,000	$ 32,236,000
Accrued interest	16,410,000	16,695,000
Dividends payable	10,785,000	0
Termination benefits (see Note 25)	582,000	3,099,000
Other liabilities and contingencies	4,387,000	3,522,000
Total	$ 56,625,000	$ 55,552,000