Summary of Significant Accounting Policies (Tables)

6 Months Ended

Jun. 30, 2020

Accounting Policies [Abstract]

Disaggreation of revenue

Below is a detail of the amounts by category:

	THREE MONTHS ENDED June 30,				SIX MONTHS ENDED June 30,
in thousands	2020		2019		2020		2019
Type of Revenue
Parking income	$	1,227	$	1,870	$	3,278	$	3,603
Rental lease guaranty	—		—		—		128
Management fee income	69		64		147		133
Miscellaneous	36		32		71		64
	$	1,332	$	1,966	$	3,496	$	3,928