Subsequent Events (Details) - Subsequent Event [Member]	May 03, 2017 ft²
Subsequent Event [Line Items]
Office Space In A Building For Which Lease Agreement Is Entered	515,000
Lessee Leasing Arrangements, Operating Leases, Term of Contract	14 years 6 months
Earliest Commencement of Lease	Apr. 01, 2019
Time After Substantial Completion Date of Construction Latest Date for Commencement of Lease	10 months