Fixed Assets (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Abstract]
Operating Leases, Rent Expense	$ 3,000,000	$ 3,100,000	$ 3,000,000
Operating Leases, Future Minimum Payments Due, Next Twelve Months	2,569,000
Rental Income, Nonoperating	162,000	163,000	150,000
Capital Leases, Future Minimum Payments Due in Two Years	2,316,000
Operating Leases, Future Minimum Payments, Due in Three Years	2,465,000
Operating Leases, Future Minimum Payments, Due in Four Years	2,070,000
Operating Leases, Future Minimum Payments, Due in Five Years	1,870,000
Operating Leases, Future Minimum Payments, Due Thereafter	6,767,000
Operating Leases, Future Minimum Payments Due	$ 18,057,000