Debt - Schedule of Maturities of Long-term Debt (Details) - Mortgages [Member] - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Debt Instrument [Line Items]
2017 Amortization	$ 9,904
2018 Amortization	2,880
2019 Amortization	2,188
2020 Amortization	2,268
2021 Amortization	2,350
Thereafter	7,356
Total Amortization	26,946
2017 Maturities	336,009
2018 Maturities	262,210
2019 Maturities	250,000
2020 Maturities	0
2021 Maturities	0
Thereafter	742,675
Total Maturities	1,590,894
2017	345,913
2018	265,090
2019	252,188
2020	2,268
2021	2,350
Thereafter	750,031
Total	$ 1,617,840	$ 1,640,145