Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2019

Accounting Policies [Abstract]

Schedule of assets' estimated useful life

Depreciation and amortization of real estate assets and liabilities in place as of December 31, 2019, is provided for on a straight-line basis over the asset’s estimated useful life:

Land improvements	3.0 to 39.0 years
Buildings and improvements	3.3 to 39.0 years
Lease intangibles (including ground lease intangibles)	2.1 to 99.0 years
Personal property	2.8 to 20.0 years

Schedule of disaggregation of revenue

Below is a detail of the amounts by category:

	YEAR ENDED DECEMBER 31,
In thousands	2019		2018		2017
Type of Revenue
Parking income	$	7,520	$	6,930	$	6,611
Property lease guaranty income	128		675		726
Management fee income	270		273		308
Miscellaneous	155		114		114
	$	8,073	$	7,992	$	7,759

Schedule of rental income

The components of rental income are as follows:

	YEAR ENDED DECEMBER 31,
(Dollars in thousands)	2019		2018		2017
Property operating income	$	415,142	$	390,256	$	358,009
Single-tenant net lease	44,083		47,860		52,897
Straight-line rent	3,000		4,281		6,072
Rental income	$	462,225	$	442,397	$	416,978