Real Estate Schedule of Bickford Leases (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($) properties
Number of Real Estate Properties | properties	209
Bickford Senior Living [Member]
Number of Real Estate Properties | properties	47
Minimum Annual Lease Income	$ 36,504
Straight Line Rent Adjustments	5,102
Operating Lease, Lease Income	$ 41,606
Bickford Senior Living [Member] | September 2027 [Member]
Number of Real Estate Properties | properties	4
Minimum Annual Lease Income	$ 125
Straight Line Rent Adjustments	309
Operating Lease, Lease Income	$ 434
Bickford Senior Living [Member] | Sept / Oct 2019 [Member]
Number of Real Estate Properties | properties	10
Minimum Annual Lease Income	$ 8,994
Straight Line Rent Adjustments	(347)
Operating Lease, Lease Income	$ 8,647
Bickford Senior Living [Member] | June 2023 [Member]
Number of Real Estate Properties | properties	13
Minimum Annual Lease Income	$ 10,809
Straight Line Rent Adjustments	226
Operating Lease, Lease Income	$ 11,035
Bickford Senior Living [Member] | May 2031 [Member]
Number of Real Estate Properties | properties	20
Minimum Annual Lease Income	$ 16,576
Straight Line Rent Adjustments	4,914
Operating Lease, Lease Income	$ 21,490