Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2019

Accounting Policies [Abstract]

Disaggregation of revenue

Below is a detail of the amounts by category:

(in thousands)	Three Months Ended June 30,				Six Months Ended June 30,
Type of Revenue	2019		2018		2019		2018
Parking income	$	1,870	$	1,819	$	3,603	$	3,445
Rental lease guaranty	—		146		128		321
Management fee income	64		69		133		137
Miscellaneous	32		34		64		60
	$	1,966	$	2,068	$	3,928	$	3,963