Investments In Direct Financing Lease (Narrative) (Details)
$ in Thousands

6 Months Ended

12 Months Ended

Jun. 30, 2019

USD ($)

years

properties

Dec. 31, 2018

USD ($)

properties

Jul. 26, 2018

USD ($)

Investment in direct financing leases, net

$ 20,675

$ 20,558

$ 37,900

Capital Leases, Net Investment in Direct Financing Leases, Initial Direct Costs

$ 300

300

Document Period End Date

Jun. 30, 2019

Future Minimum Rentals Receivable

The Company’s direct financing leases have expiration dates ranging from approximately 12 to 13 years. Future minimum rentals receivable on these direct financing leases at June 30, 2019 are as follows (in thousands): 

	Amount
Year:
2019	$	1,143
2020	2,333
2021	2,403
2022	2,475
2023	2,550
Thereafter	24,326
Total	$	35,230

Imagine Schools Member

Proceeds from Sale of Finance Receivables

43,400

original acquisition cost

$ 31,600

Number of public charter school properties (in properties) | properties

2

2

number of properties sold

4

gain on sale of investment in direct financing lease

$ 5,500

Maximum [Member]

Length of lease (in years) | years

13