Schedule of Future Minimum Rental Payments for Operating Leases (Details) $ in Thousands	Dec. 31, 2017 USD ($)
Leases [Abstract]
Operating Leases, Future Minimum Payments Receivable, Current	$ 457
Operating Leases, Future Minimum Payments Receivable, in Two Years	275
Operating Leases, Future Minimum Payments Receivable, in Three Years	243
Operating Leases, Future Minimum Payments Receivable, in Four Years	187
Operating Leases, Future Minimum Payments Receivable, in Five Years	$ 51