Deferred Costs and Other Intangibles, Net - Amortization Expense (Details) $ in Thousands	Jun. 30, 2019 USD ($)
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remaining 2019	$ 3,500
2020	2,554
2021	1,964
2022	968
Total	8,986
Deferred Leasing Costs
Deferred Leasing Costs, Future Amortization Expenses [Abstract]
Remaining 2019	2,360
2020	453
2021	0
2022	0
Total	2,813
Deferred Financing Costs
Debt Issuance Costs, Future Amortization Expenses [Abstract]
Remaining 2019	990
2020	1,969
2021	1,964
2022	968
Total	5,891
Database
Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract]
Remaining 2019	150
2020	132
2021	0
2022	0
Total	$ 282