Debt - Schedule of Maturities of Long-term Debt (Details) - Fixed rate mortgage debt - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Amortization [Abstract]
2019 Amortization	$ 3,790
2020 Amortization	3,938
2021 Amortization	4,090
2022 Amortization	5,628
2023 Amortization	7,876
Thereafter	33,868
Total Amortization	59,190
Maturities of Long-term Debt [Abstract]
2019 Maturities	250,000
2020 Maturities	0
2021 Maturities	0
2022 Maturities	265,000
2023 Maturities	0
Thereafter	1,355,422
Total Maturities	1,870,422
Total [Abstract]
2019	253,790
2020	3,938
2021	4,090
2022	270,628
2023	7,876
Thereafter	1,389,290
Total	$ 1,929,612	$ 1,701,224