Commitments and Contingencies (Ground Rent) (Details) (Ground Rent [Member], USD $) In Thousands, unless otherwise specified	Dec. 31, 2013
Ground Rent [Member]
Minimum future rental payments on non-cancelable leases
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 1,303
Operating Leases, Future Minimum Payments, Due in Two Years	1,303
Operating Leases, Future Minimum Payments, Due in Three Years	1,303
Operating Leases, Future Minimum Payments, Due in Four Years	1,303
Operating Leases, Future Minimum Payments, Due in Five Years	1,303
Operating Leases, Future Minimum Payments, Due Thereafter	57,540
Total	$ 64,055