Commitments and Contingencies (Tables)

12 Months Ended

Dec. 31, 2018

Commitments and Contingencies Disclosure [Abstract]

Schedule of Minimum Lease Commitments

The total minimum lease commitments, under ground leases and operating leases, for each of the years ending December 31 is summarized as follows ($ in thousands):

	Total Minimum
	Lease Commitments
2019	$	6,811
2020	6,855
2021	6,877
2022	6,888
2023	6,860
Thereafter	153,258
	$	187,549