Commitments and Contingencies (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Commitments and Contingencies Disclosure [Abstract]
Operating Leases, Rent Expense	$ 1,500,000	$ 1,500,000	$ 1,700,000
Operating Leases, Rent Expense, Sublease Rentals	$ 733,000