Lease Agreements (Details) $ in Thousands	Dec. 31, 2016 USD ($) community building
Leases [Abstract]
Number of commercial buildings leased | building	2
Number of commercial portions of mixed use communities leased | community	37
Future minimum non-cancelable base rent under operating leases [Abstract]
2017	$ 13,453
2018	12,773
2019	12,347
2020	11,518
2021	10,073
Thereafter	39,043
Total future minimum rent	$ 99,207