Real Estate Investments - Schedule of Real Estate Property Investments (Details) $ in Thousands |
Dec. 31, 2017
USD ($)
mortgage_note_receivable
real_estate_property
|
Dec. 31, 2016
USD ($)
|
Dec. 31, 2015
USD ($)
|
Dec. 31, 2014
USD ($)
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
86
|
|
|
|
Land and land improvements |
$ 44,419
|
$ 29,884
|
|
|
Buildings, Improvements, and Lease Intangibles |
343,955
|
222,755
|
|
|
Personal property |
112
|
97
|
|
|
Total real estate properties |
388,486
|
252,736
|
|
|
Accumulated Depreciation |
$ 36,136
|
18,404
|
|
|
Number of mortgage note receivables | mortgage_note_receivable |
1
|
|
|
|
Mortgage note receivable, net |
$ 10,633
|
$ 10,786
|
$ 10,897
|
$ 0
|
Value of real estate property investments and mortgages |
$ 399,119
|
|
|
|
Medical office buildings [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
32
|
|
|
|
Land and land improvements |
$ 19,318
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
123,907
|
|
|
|
Personal property |
0
|
|
|
|
Total real estate properties |
143,225
|
|
|
|
Accumulated Depreciation |
$ 16,886
|
|
|
|
Medical office buildings [Member] | Florida [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
5
|
|
|
|
Land and land improvements |
$ 4,608
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
29,235
|
|
|
|
Total real estate properties |
33,843
|
|
|
|
Accumulated Depreciation |
$ 2,493
|
|
|
|
Medical office buildings [Member] | Iowa [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 2,241
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
8,991
|
|
|
|
Total real estate properties |
11,232
|
|
|
|
Accumulated Depreciation |
$ 1,148
|
|
|
|
Medical office buildings [Member] | Virginia [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 369
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
4,649
|
|
|
|
Total real estate properties |
5,018
|
|
|
|
Accumulated Depreciation |
$ 233
|
|
|
|
Medical office buildings [Member] | Illinois [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 1,134
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
11,823
|
|
|
|
Total real estate properties |
12,957
|
|
|
|
Accumulated Depreciation |
$ 1,589
|
|
|
|
Medical office buildings [Member] | Kansas [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 1,427
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
10,497
|
|
|
|
Total real estate properties |
11,924
|
|
|
|
Accumulated Depreciation |
$ 2,429
|
|
|
|
Medical office buildings [Member] | Ohio [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
5
|
|
|
|
Land and land improvements |
$ 3,167
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
23,526
|
|
|
|
Total real estate properties |
26,693
|
|
|
|
Accumulated Depreciation |
$ 3,431
|
|
|
|
Medical office buildings [Member] | Other States [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
13
|
|
|
|
Land and land improvements |
$ 3,276
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
22,697
|
|
|
|
Total real estate properties |
25,973
|
|
|
|
Accumulated Depreciation |
$ 2,279
|
|
|
|
Medical office buildings [Member] | Texas [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
3
|
|
|
|
Land and land improvements |
$ 3,096
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
12,489
|
|
|
|
Total real estate properties |
15,585
|
|
|
|
Accumulated Depreciation |
$ 3,284
|
|
|
|
Physician clinics [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
17
|
|
|
|
Land and land improvements |
$ 7,474
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
41,664
|
|
|
|
Personal property |
0
|
|
|
|
Total real estate properties |
49,138
|
|
|
|
Accumulated Depreciation |
$ 5,605
|
|
|
|
Physician clinics [Member] | Florida [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
3
|
|
|
|
Land and land improvements |
$ 0
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
5,950
|
|
|
|
Total real estate properties |
5,950
|
|
|
|
Accumulated Depreciation |
$ 512
|
|
|
|
Physician clinics [Member] | Illinois [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 2,615
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
6,354
|
|
|
|
Total real estate properties |
8,969
|
|
|
|
Accumulated Depreciation |
$ 87
|
|
|
|
Physician clinics [Member] | Kansas [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
3
|
|
|
|
Land and land improvements |
$ 1,638
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
10,899
|
|
|
|
Total real estate properties |
12,537
|
|
|
|
Accumulated Depreciation |
$ 1,981
|
|
|
|
Physician clinics [Member] | Other States [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
9
|
|
|
|
Land and land improvements |
$ 3,221
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
18,461
|
|
|
|
Total real estate properties |
21,682
|
|
|
|
Accumulated Depreciation |
$ 3,025
|
|
|
|
Surgical centers and hospitals [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
13
|
|
|
|
Land and land improvements |
$ 7,419
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
72,846
|
|
|
|
Personal property |
0
|
|
|
|
Total real estate properties |
80,265
|
|
|
|
Accumulated Depreciation |
$ 7,731
|
|
|
|
Surgical centers and hospitals [Member] | Arizona [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 576
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
5,389
|
|
|
|
Total real estate properties |
5,965
|
|
|
|
Accumulated Depreciation |
$ 1,000
|
|
|
|
Surgical centers and hospitals [Member] | Florida [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 271
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
7,017
|
|
|
|
Total real estate properties |
7,288
|
|
|
|
Accumulated Depreciation |
$ 233
|
|
|
|
Surgical centers and hospitals [Member] | Illinois [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 2,183
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
5,410
|
|
|
|
Total real estate properties |
7,593
|
|
|
|
Accumulated Depreciation |
$ 740
|
|
|
|
Surgical centers and hospitals [Member] | Indiana [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 523
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
14,405
|
|
|
|
Total real estate properties |
14,928
|
|
|
|
Accumulated Depreciation |
$ 360
|
|
|
|
Surgical centers and hospitals [Member] | Louisiana [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 1,683
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
21,353
|
|
|
|
Total real estate properties |
23,036
|
|
|
|
Accumulated Depreciation |
$ 577
|
|
|
|
Surgical centers and hospitals [Member] | Michigan [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 628
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
8,272
|
|
|
|
Total real estate properties |
8,900
|
|
|
|
Accumulated Depreciation |
$ 1,960
|
|
|
|
Surgical centers and hospitals [Member] | Other States [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
5
|
|
|
|
Land and land improvements |
$ 1,555
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
11,000
|
|
|
|
Total real estate properties |
12,555
|
|
|
|
Accumulated Depreciation |
$ 2,861
|
|
|
|
Specialty centers [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
17
|
|
|
|
Land and land improvements |
$ 4,667
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
47,058
|
|
|
|
Personal property |
0
|
|
|
|
Total real estate properties |
51,725
|
|
|
|
Accumulated Depreciation |
$ 4,637
|
|
|
|
Specialty centers [Member] | Alabama [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
3
|
|
|
|
Land and land improvements |
$ 415
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
4,417
|
|
|
|
Total real estate properties |
4,832
|
|
|
|
Accumulated Depreciation |
$ 1,295
|
|
|
|
Specialty centers [Member] | NEVADA |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 276
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
4,402
|
|
|
|
Total real estate properties |
4,678
|
|
|
|
Accumulated Depreciation |
$ 273
|
|
|
|
Specialty centers [Member] | Illinois [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 2,057
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
19,575
|
|
|
|
Total real estate properties |
21,632
|
|
|
|
Accumulated Depreciation |
$ 215
|
|
|
|
Specialty centers [Member] | Other States [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
11
|
|
|
|
Land and land improvements |
$ 1,919
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
18,664
|
|
|
|
Total real estate properties |
20,583
|
|
|
|
Accumulated Depreciation |
$ 2,854
|
|
|
|
Behavioral facilities [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
6
|
|
|
|
Land and land improvements |
$ 5,541
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
56,469
|
|
|
|
Personal property |
0
|
|
|
|
Total real estate properties |
62,010
|
|
|
|
Accumulated Depreciation |
$ 1,153
|
|
|
|
Behavioral facilities [Member] | Illinois [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 1,300
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
18,803
|
|
|
|
Total real estate properties |
20,103
|
|
|
|
Accumulated Depreciation |
$ 745
|
|
|
|
Behavioral facilities [Member] | Indiana [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 1,126
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
6,040
|
|
|
|
Total real estate properties |
7,166
|
|
|
|
Accumulated Depreciation |
$ 156
|
|
|
|
Behavioral facilities [Member] | Other States [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
2
|
|
|
|
Land and land improvements |
$ 977
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
8,729
|
|
|
|
Total real estate properties |
9,706
|
|
|
|
Accumulated Depreciation |
$ 100
|
|
|
|
Behavioral facilities [Member] | West Virginia [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
1
|
|
|
|
Land and land improvements |
$ 2,138
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
22,897
|
|
|
|
Total real estate properties |
25,035
|
|
|
|
Accumulated Depreciation |
$ 152
|
|
|
|
Corporate Property [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
0
|
|
|
|
Land and land improvements |
$ 0
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
2,011
|
|
|
|
Personal property |
112
|
|
|
|
Total real estate properties |
2,123
|
|
|
|
Accumulated Depreciation |
$ 124
|
|
|
|
Total Properties [Member] |
|
|
|
|
Real Estate Properties [Line Items] |
|
|
|
|
Number of Properties | real_estate_property |
85
|
|
|
|
Land and land improvements |
$ 44,419
|
|
|
|
Buildings, Improvements, and Lease Intangibles |
343,955
|
|
|
|
Personal property |
112
|
|
|
|
Total real estate properties |
388,486
|
|
|
|
Accumulated Depreciation |
$ 36,136
|
|
|
|