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Real Estate and Accumulated Depreciation (Schedule III Real Estate and Accumulated Depreciation, Outpatient Medical) (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 3,472,255      
Initial Cost of Land 2,572,238      
Initial Cost of Buildings & Improvements 27,040,378      
Cost Capitalized Subsequent to Acquisition 1,373,415      
Carrying Amount of Land 2,563,445      
Carrying Amount of Buildings and Improvements 27,302,045      
Accumulated Depreciation 3,796,297 $ 3,020,908 $ 2,386,658 $ 1,555,055
Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances 627,689      
Initial Cost of Land 490,437      
Initial Cost of Buildings & Improvements 4,274,941      
Cost Capitalized Subsequent to Acquisition 278,333      
Carrying Amount of Land 535,720      
Carrying Amount of Buildings and Improvements 4,507,983      
Accumulated Depreciation [1] 794,063      
Outpatient Medical [Member] | Akron, OH, 1350, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances 0      
Initial Cost of Land 821      
Initial Cost of Buildings & Improvements 12,105      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 821      
Carrying Amount of Buildings and Improvements 12,105      
Accumulated Depreciation [1] $ 1,568      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1985      
Outpatient Medical [Member] | Allen, TX, 1312, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 12,080      
Initial Cost of Land 726      
Initial Cost of Buildings & Improvements 14,196      
Cost Capitalized Subsequent to Acquisition 315      
Carrying Amount of Land 726      
Carrying Amount of Buildings and Improvements 14,511      
Accumulated Depreciation [1] $ 3,024      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Alpharetta, GA, 1321, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 773      
Initial Cost of Buildings & Improvements 18,902      
Cost Capitalized Subsequent to Acquisition 230      
Carrying Amount of Land 773      
Carrying Amount of Buildings and Improvements 19,133      
Accumulated Depreciation [1] $ 3,859      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Alpharetta, GA, 1322, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,769      
Initial Cost of Buildings & Improvements 36,152      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,769      
Carrying Amount of Buildings and Improvements 36,152      
Accumulated Depreciation [1] $ 8,518      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1999      
Outpatient Medical [Member] | Alpharetta, GA, 1323, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 476      
Initial Cost of Buildings & Improvements 14,757      
Cost Capitalized Subsequent to Acquisition 13      
Carrying Amount of Land 476      
Carrying Amount of Buildings and Improvements 14,770      
Accumulated Depreciation [1] $ 3,156      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | Alpharetta, GA, 1325, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,862      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,862      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Alpharetta, GA, 1326, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 548      
Initial Cost of Buildings & Improvements 17,103      
Cost Capitalized Subsequent to Acquisition 39      
Carrying Amount of Land 548      
Carrying Amount of Buildings and Improvements 17,142      
Accumulated Depreciation [1] $ 4,469      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Arcadia, CA, 1157, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 5,408      
Initial Cost of Buildings & Improvements 23,219      
Cost Capitalized Subsequent to Acquisition 2,971      
Carrying Amount of Land 5,618      
Carrying Amount of Buildings and Improvements 25,980      
Accumulated Depreciation [1] $ 7,917      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1984      
Outpatient Medical [Member] | Arlington, TX, 1374, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 82      
Initial Cost of Buildings & Improvements 18,243      
Cost Capitalized Subsequent to Acquisition 248      
Carrying Amount of Land 82      
Carrying Amount of Buildings and Improvements 18,491      
Accumulated Depreciation [1] $ 1,094      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Atlanta, GA, 1108, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 4,931      
Initial Cost of Buildings & Improvements 18,720      
Cost Capitalized Subsequent to Acquisition 4,679      
Carrying Amount of Land 5,301      
Carrying Amount of Buildings and Improvements 23,029      
Accumulated Depreciation [1] $ 8,357      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1991      
Outpatient Medical [Member] | Atlanta, GA, 1327, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,947      
Initial Cost of Buildings & Improvements 24,248      
Cost Capitalized Subsequent to Acquisition 1,143      
Carrying Amount of Land 1,947      
Carrying Amount of Buildings and Improvements 25,391      
Accumulated Depreciation [1] $ 4,258      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Atlanta, GA, 1329, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 25,726      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 43,425      
Cost Capitalized Subsequent to Acquisition 483      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 43,908      
Accumulated Depreciation [1] $ 9,347      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Bardstown, KY, 1463, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 2,001      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 8,239      
Carrying Amount of Land 273      
Carrying Amount of Buildings and Improvements 7,966      
Accumulated Depreciation [1] $ 86      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Bartlett, TN, 1172, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 7,719      
Initial Cost of Land 187      
Initial Cost of Buildings & Improvements 15,015      
Cost Capitalized Subsequent to Acquisition 1,632      
Carrying Amount of Land 187      
Carrying Amount of Buildings and Improvements 16,647      
Accumulated Depreciation [1] $ 5,193      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Bellevue, NE, 1227, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 16,680      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 16,680      
Accumulated Depreciation [1] $ 3,408      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Bettendorf, IA, 1394, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 7,110      
Cost Capitalized Subsequent to Acquisition 73      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 7,183      
Accumulated Depreciation [1] $ 210      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Beverly Hills, CA, 1442, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 20,766      
Initial Cost of Buildings & Improvements 40,730      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 20,766      
Carrying Amount of Buildings and Improvements 40,730      
Accumulated Depreciation [1] $ 1,051      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Beverly Hills, CA, 1443, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 18,863      
Initial Cost of Buildings & Improvements 1,192      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 18,863      
Carrying Amount of Buildings and Improvements 1,192      
Accumulated Depreciation [1] $ 111      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Beverly Hills, CA, 1444, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 19,863      
Initial Cost of Buildings & Improvements 31,690      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 19,863      
Carrying Amount of Buildings and Improvements 31,690      
Accumulated Depreciation [1] $ 961      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1946      
Outpatient Medical [Member] | Beverly Hills, CA, 1445, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 33,729      
Initial Cost of Land 32,603      
Initial Cost of Buildings & Improvements 28,639      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 32,603      
Carrying Amount of Buildings and Improvements 28,639      
Accumulated Depreciation [1] $ 1,119      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1955      
Outpatient Medical [Member] | Beverly Hills, CA, 1446, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 78,271      
Initial Cost of Land 52,772      
Initial Cost of Buildings & Improvements 88,693      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 52,772      
Carrying Amount of Buildings and Improvements 88,693      
Accumulated Depreciation [1] $ 2,116      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1946      
Outpatient Medical [Member] | Birmingham, AL, 116501, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 52      
Initial Cost of Buildings & Improvements 10,201      
Cost Capitalized Subsequent to Acquisition 3,208      
Carrying Amount of Land 52      
Carrying Amount of Buildings and Improvements 13,409      
Accumulated Depreciation [1] $ 4,743      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1971      
Outpatient Medical [Member] | Birmingham, AL, 116502, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 124      
Initial Cost of Buildings & Improvements 11,733      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 124      
Carrying Amount of Buildings and Improvements 11,733      
Accumulated Depreciation [1] $ 3,070      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1985      
Outpatient Medical [Member] | Birmingham, AL, 116503, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 476      
Initial Cost of Buildings & Improvements 18,726      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 476      
Carrying Amount of Buildings and Improvements 18,726      
Accumulated Depreciation [1] $ 5,068      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1989      
Outpatient Medical [Member] | Boardman, OH, 1274, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 80      
Initial Cost of Buildings & Improvements 12,161      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 80      
Carrying Amount of Buildings and Improvements 12,161      
Accumulated Depreciation [1] $ 3,128      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Boca Raton, FL, 1158, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 109      
Initial Cost of Buildings & Improvements 34,002      
Cost Capitalized Subsequent to Acquisition 2,423      
Carrying Amount of Land 214      
Carrying Amount of Buildings and Improvements 36,320      
Accumulated Depreciation [1] $ 11,052      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1995      
Outpatient Medical [Member] | Boca Raton, FL, 1320, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 31      
Initial Cost of Buildings & Improvements 12,312      
Cost Capitalized Subsequent to Acquisition 55      
Carrying Amount of Land 31      
Carrying Amount of Buildings and Improvements 12,367      
Accumulated Depreciation [1] $ 2,004      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Boerne, TX, 1308, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 50      
Initial Cost of Buildings & Improvements 13,541      
Cost Capitalized Subsequent to Acquisition 190      
Carrying Amount of Land 50      
Carrying Amount of Buildings and Improvements 13,731      
Accumulated Depreciation [1] $ 3,173      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Boynton Beach, FL, 1145, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,048      
Initial Cost of Buildings & Improvements 7,692      
Cost Capitalized Subsequent to Acquisition 615      
Carrying Amount of Land 2,048      
Carrying Amount of Buildings and Improvements 8,307      
Accumulated Depreciation [1] $ 3,059      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1995      
Outpatient Medical [Member] | Boynton Beach, FL, 1153, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,048      
Initial Cost of Buildings & Improvements 7,403      
Cost Capitalized Subsequent to Acquisition 1,238      
Carrying Amount of Land 2,048      
Carrying Amount of Buildings and Improvements 8,640      
Accumulated Depreciation [1] $ 2,937      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Boynton Beach, FL, 1185, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 214      
Initial Cost of Buildings & Improvements 5,611      
Cost Capitalized Subsequent to Acquisition 8,079      
Carrying Amount of Land 270      
Carrying Amount of Buildings and Improvements 13,634      
Accumulated Depreciation [1] $ 4,162      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1996      
Outpatient Medical [Member] | Boynton Beach, FL, 1380, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 25,708      
Initial Cost of Land 13,324      
Initial Cost of Buildings & Improvements 40,369      
Cost Capitalized Subsequent to Acquisition 773      
Carrying Amount of Land 13,324      
Carrying Amount of Buildings and Improvements 41,141      
Accumulated Depreciation [1] $ 5,217      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Bradenton, FL, 1400, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,184      
Initial Cost of Buildings & Improvements 9,799      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,184      
Carrying Amount of Buildings and Improvements 9,799      
Accumulated Depreciation [1] $ 629      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Bradenton, FL, 1401, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,035      
Initial Cost of Buildings & Improvements 4,298      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,035      
Carrying Amount of Buildings and Improvements 4,298      
Accumulated Depreciation [1] $ 303      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Bridgeton, MO, 1272, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 10,294      
Initial Cost of Land 450      
Initial Cost of Buildings & Improvements 21,272      
Cost Capitalized Subsequent to Acquisition 20      
Carrying Amount of Land 450      
Carrying Amount of Buildings and Improvements 21,292      
Accumulated Depreciation [1] $ 5,105      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Burleson, TX, 1299, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 10      
Initial Cost of Buildings & Improvements 12,611      
Cost Capitalized Subsequent to Acquisition 3      
Carrying Amount of Land 10      
Carrying Amount of Buildings and Improvements 12,614      
Accumulated Depreciation [1] $ 2,484      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Burnsville, MN, 1379, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 31,596      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 31,596      
Accumulated Depreciation [1] $ 2,339      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Carmel, IN, 1291, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,280      
Initial Cost of Buildings & Improvements 19,238      
Cost Capitalized Subsequent to Acquisition 64      
Carrying Amount of Land 2,280      
Carrying Amount of Buildings and Improvements 19,301      
Accumulated Depreciation [1] $ 5,488      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Carmel, IN, 1292, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,026      
Initial Cost of Buildings & Improvements 21,559      
Cost Capitalized Subsequent to Acquisition 10      
Carrying Amount of Land 2,026      
Carrying Amount of Buildings and Improvements 21,570      
Accumulated Depreciation [1] $ 6,368      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Castle Rock, CO, 1382, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 80      
Initial Cost of Buildings & Improvements 13,004      
Cost Capitalized Subsequent to Acquisition 571      
Carrying Amount of Land 79      
Carrying Amount of Buildings and Improvements 13,576      
Accumulated Depreciation [1] $ 1,012      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Cedar Grove, WI, 123502, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 113      
Initial Cost of Buildings & Improvements 618      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 113      
Carrying Amount of Buildings and Improvements 618      
Accumulated Depreciation [1] $ 132      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1986      
Outpatient Medical [Member] | Charleston, SC, 1402, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,773      
Initial Cost of Buildings & Improvements 25,928      
Cost Capitalized Subsequent to Acquisition 3      
Carrying Amount of Land 2,773      
Carrying Amount of Buildings and Improvements 25,931      
Accumulated Depreciation [1] $ 1,794      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1975      
Outpatient Medical [Member] | Cincinnati, OH, 1357, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 17,880      
Cost Capitalized Subsequent to Acquisition 218      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 18,098      
Accumulated Depreciation [1] $ 1,454      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Claremore, OK, 1173, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 7,732      
Initial Cost of Land 132      
Initial Cost of Buildings & Improvements 12,829      
Cost Capitalized Subsequent to Acquisition 407      
Carrying Amount of Land 132      
Carrying Amount of Buildings and Improvements 13,236      
Accumulated Depreciation [1] $ 4,399      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Clarkson Valley, MO, 1219, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 35,592      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 35,592      
Accumulated Depreciation [1] $ 8,269      
Year Acquired Jan. 01, 2009      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Clear Lake, TX, 1383, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 13,882      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 13,882      
Accumulated Depreciation [1] $ 463      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 1995      
Outpatient Medical [Member] | Columbia, MD, 1364, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,333      
Initial Cost of Buildings & Improvements 19,232      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 2,333      
Carrying Amount of Buildings and Improvements 19,232      
Accumulated Depreciation [1] $ 2,576      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Columbia, MD, 1468, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 34,930      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 34,930      
Accumulated Depreciation [1] $ 136      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Coon Rapids, MN, 1371, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 26,679      
Cost Capitalized Subsequent to Acquisition 730      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 27,409      
Accumulated Depreciation [1] $ 2,007      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Dade City, FL, 130002, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,211      
Initial Cost of Buildings & Improvements 5,511      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,211      
Carrying Amount of Buildings and Improvements 5,511      
Accumulated Depreciation [1] $ 879      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1998      
Outpatient Medical [Member] | Dallas, TX, 1150, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 137      
Initial Cost of Buildings & Improvements 28,690      
Cost Capitalized Subsequent to Acquisition 2,535      
Carrying Amount of Land 137      
Carrying Amount of Buildings and Improvements 31,225      
Accumulated Depreciation [1] $ 10,073      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1995      
Outpatient Medical [Member] | Dallas, TX, 1313, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 28,450      
Initial Cost of Land 462      
Initial Cost of Buildings & Improvements 52,488      
Cost Capitalized Subsequent to Acquisition 3      
Carrying Amount of Land 462      
Carrying Amount of Buildings and Improvements 52,491      
Accumulated Depreciation [1] $ 6,735      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Dayton, OH, 1290, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 730      
Initial Cost of Buildings & Improvements 6,919      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 730      
Carrying Amount of Buildings and Improvements 6,919      
Accumulated Depreciation [1] $ 1,747      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1988      
Outpatient Medical [Member] | Deerfield Beach, FL, 1298, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,408      
Initial Cost of Buildings & Improvements 7,809      
Cost Capitalized Subsequent to Acquisition 3      
Carrying Amount of Land 2,408      
Carrying Amount of Buildings and Improvements 7,812      
Accumulated Depreciation [1] $ 2,555      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2001      
Outpatient Medical [Member] | Delray Beach, FL, 1133, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,882      
Initial Cost of Buildings & Improvements 34,767      
Cost Capitalized Subsequent to Acquisition 5,693      
Carrying Amount of Land 2,064      
Carrying Amount of Buildings and Improvements 40,278      
Accumulated Depreciation [1] $ 14,345      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1985      
Outpatient Medical [Member] | Durham, NC, 1395, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,212      
Initial Cost of Buildings & Improvements 22,858      
Cost Capitalized Subsequent to Acquisition 1      
Carrying Amount of Land 1,212      
Carrying Amount of Buildings and Improvements 22,859      
Accumulated Depreciation [1] $ 1,583      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Edina, MN, 1265, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 310      
Initial Cost of Buildings & Improvements 15,132      
Cost Capitalized Subsequent to Acquisition 17      
Carrying Amount of Land 310      
Carrying Amount of Buildings and Improvements 15,149      
Accumulated Depreciation [1] $ 3,181      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | El Paso, TX, 1148, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 677      
Initial Cost of Buildings & Improvements 17,075      
Cost Capitalized Subsequent to Acquisition 2,089      
Carrying Amount of Land 677      
Carrying Amount of Buildings and Improvements 19,164      
Accumulated Depreciation [1] $ 6,931      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Everett, WA, 1248, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 4,842      
Initial Cost of Buildings & Improvements 26,010      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 4,842      
Carrying Amount of Buildings and Improvements 26,010      
Accumulated Depreciation [1] $ 4,804      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Fenton, MO, 1387, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 11,578      
Initial Cost of Land 958      
Initial Cost of Buildings & Improvements 27,485      
Cost Capitalized Subsequent to Acquisition 242      
Carrying Amount of Land 958      
Carrying Amount of Buildings and Improvements 27,727      
Accumulated Depreciation [1] $ 3,199      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Fenton, MO, 1389, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 5,544      
Initial Cost of Land 369      
Initial Cost of Buildings & Improvements 13,911      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 369      
Carrying Amount of Buildings and Improvements 13,911      
Accumulated Depreciation [1] $ 1,110      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Flower Mound, TX, 1411, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 737      
Initial Cost of Buildings & Improvements 9,654      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 737      
Carrying Amount of Buildings and Improvements 9,654      
Accumulated Depreciation [1] $ 341      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Flower Mound, TX, 1412, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 4,164      
Initial Cost of Buildings & Improvements 27,529      
Cost Capitalized Subsequent to Acquisition 14      
Carrying Amount of Land 4,164      
Carrying Amount of Buildings and Improvements 27,543      
Accumulated Depreciation [1] $ 1,857      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Flower Mound, TX, 1413, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 4,620      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 4,620      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Fort Wayne, IN, 1340, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 16,135      
Initial Cost of Land 1,105      
Initial Cost of Buildings & Improvements 22,836      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,105      
Carrying Amount of Buildings and Improvements 22,836      
Accumulated Depreciation [1] $ 2,898      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Fort Worth, TX, 1373, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 462      
Initial Cost of Buildings & Improvements 26,020      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 462      
Carrying Amount of Buildings and Improvements 26,020      
Accumulated Depreciation [1] $ 1,592      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Fort Worth, TX, 1410, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 401      
Initial Cost of Buildings & Improvements 6,099      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 401      
Carrying Amount of Buildings and Improvements 6,099      
Accumulated Depreciation [1] $ 345      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Franklin, TN, 1189, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,338      
Initial Cost of Buildings & Improvements 12,138      
Cost Capitalized Subsequent to Acquisition 2,184      
Carrying Amount of Land 2,338      
Carrying Amount of Buildings and Improvements 14,322      
Accumulated Depreciation [1] $ 4,398      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1988      
Outpatient Medical [Member] | Franklin, WI, 123205, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 4,942      
Initial Cost of Land 6,872      
Initial Cost of Buildings & Improvements 7,550      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 6,872      
Carrying Amount of Buildings and Improvements 7,550      
Accumulated Depreciation [1] $ 1,687      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1984      
Outpatient Medical [Member] | Frisco, TX, 1176, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 18,635      
Cost Capitalized Subsequent to Acquisition 1,340      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 19,975      
Accumulated Depreciation [1] $ 5,794      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Frisco, TX, 1177, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 15,309      
Cost Capitalized Subsequent to Acquisition 2,151      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 17,460      
Accumulated Depreciation [1] $ 5,914      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Gallatin, TN, 1259, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 20      
Initial Cost of Buildings & Improvements 21,801      
Cost Capitalized Subsequent to Acquisition 183      
Carrying Amount of Land 20      
Carrying Amount of Buildings and Improvements 21,984      
Accumulated Depreciation [1] $ 5,521      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Gig Harbor, WA, 1464, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 30,917      
Carrying Amount of Land 80      
Carrying Amount of Buildings and Improvements 30,837      
Accumulated Depreciation [1] $ 242      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Glendale, CA, 1178, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 37      
Initial Cost of Buildings & Improvements 18,398      
Cost Capitalized Subsequent to Acquisition 761      
Carrying Amount of Land 37      
Carrying Amount of Buildings and Improvements 19,159      
Accumulated Depreciation [1] $ 5,230      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Grand Prairie, TX, 1339, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 981      
Initial Cost of Buildings & Improvements 6,086      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 981      
Carrying Amount of Buildings and Improvements 6,086      
Accumulated Depreciation [1] $ 1,187      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Grapevine, TX, 1409, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 5,459      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 5,943      
Cost Capitalized Subsequent to Acquisition 4,778      
Carrying Amount of Land 2,081      
Carrying Amount of Buildings and Improvements 8,640      
Accumulated Depreciation [1] $ 401      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Grapevine, TX, 1435, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 9,882      
Initial Cost of Land 3,365      
Initial Cost of Buildings & Improvements 15,669      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,365      
Carrying Amount of Buildings and Improvements 15,669      
Accumulated Depreciation [1] $ 1,085      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Green Bay, WI, 123301, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 6,871      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 14,891      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 14,891      
Accumulated Depreciation [1] $ 2,939      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Green Bay, WI, 123801, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 20,098      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 20,098      
Accumulated Depreciation [1] $ 3,891      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Green Bay, WI, 123901, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 11,696      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 11,696      
Accumulated Depreciation [1] $ 3,145      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Greeneville, TN, 1269, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 970      
Initial Cost of Buildings & Improvements 10,104      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 970      
Carrying Amount of Buildings and Improvements 10,104      
Accumulated Depreciation [1] $ 2,403      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Greenwood, IN, 1345, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 8,316      
Initial Cost of Buildings & Improvements 26,384      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 8,316      
Carrying Amount of Buildings and Improvements 26,384      
Accumulated Depreciation [1] $ 3,705      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Greenwood, IN, 1407, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,262      
Initial Cost of Buildings & Improvements 7,045      
Cost Capitalized Subsequent to Acquisition 645      
Carrying Amount of Land 1,262      
Carrying Amount of Buildings and Improvements 7,691      
Accumulated Depreciation [1] $ 499      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2001      
Outpatient Medical [Member] | Grenwood, IN, 1406, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,098      
Initial Cost of Buildings & Improvements 21,538      
Cost Capitalized Subsequent to Acquisition 1      
Carrying Amount of Land 2,098      
Carrying Amount of Buildings and Improvements 21,538      
Accumulated Depreciation [1] $ 1,006      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Harker Heights, TX, 1335, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,907      
Initial Cost of Buildings & Improvements 3,575      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,907      
Carrying Amount of Buildings and Improvements 3,575      
Accumulated Depreciation [1] $ 298      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | High Point, NC, 1352, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,659      
Initial Cost of Buildings & Improvements 29,069      
Cost Capitalized Subsequent to Acquisition 162      
Carrying Amount of Land 2,659      
Carrying Amount of Buildings and Improvements 29,230      
Accumulated Depreciation [1] $ 3,398      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Highland, IL, 1347, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 8,834      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 8,834      
Accumulated Depreciation [1] $ 699      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Houston, TX, 131601, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 14,000      
Initial Cost of Land 378      
Initial Cost of Buildings & Improvements 31,932      
Cost Capitalized Subsequent to Acquisition 316      
Carrying Amount of Land 378      
Carrying Amount of Buildings and Improvements 32,248      
Accumulated Depreciation [1] $ 6,083      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1981      
Outpatient Medical [Member] | Houston, TX, 131602, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 91      
Initial Cost of Buildings & Improvements 10,613      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 91      
Carrying Amount of Buildings and Improvements 10,613      
Accumulated Depreciation [1] $ 1,912      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1986      
Outpatient Medical [Member] | Houston, TX, 1324, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 10,403      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 10,403      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 3      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | Houston, TX, 1330, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 5,837      
Initial Cost of Buildings & Improvements 33,128      
Cost Capitalized Subsequent to Acquisition 1      
Carrying Amount of Land 5,837      
Carrying Amount of Buildings and Improvements 33,129      
Accumulated Depreciation [1] $ 6,385      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Houston, TX, 1342, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,688      
Initial Cost of Buildings & Improvements 13,313      
Cost Capitalized Subsequent to Acquisition 1      
Carrying Amount of Land 3,688      
Carrying Amount of Buildings and Improvements 13,315      
Accumulated Depreciation [1] $ 1,845      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Houston, TX, 134301, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 75,398      
Carrying Amount of Land 12,815      
Carrying Amount of Buildings and Improvements 62,584      
Accumulated Depreciation [1] $ 6,206      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Houston, TX, 1398, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,102      
Initial Cost of Buildings & Improvements 32,323      
Cost Capitalized Subsequent to Acquisition 640      
Carrying Amount of Land 3,242      
Carrying Amount of Buildings and Improvements 32,824      
Accumulated Depreciation [1] $ 2,289      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Hudson, OH, 1356, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,587      
Initial Cost of Buildings & Improvements 13,720      
Cost Capitalized Subsequent to Acquisition 8      
Carrying Amount of Land 2,587      
Carrying Amount of Buildings and Improvements 13,728      
Accumulated Depreciation [1] $ 2,546      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2001      
Outpatient Medical [Member] | Humble, TX, 1386, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 9,941      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 9,941      
Accumulated Depreciation [1] $ 290      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | Jackson, MI, 1390, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 607      
Initial Cost of Buildings & Improvements 17,367      
Cost Capitalized Subsequent to Acquisition 42      
Carrying Amount of Land 626      
Carrying Amount of Buildings and Improvements 17,389      
Accumulated Depreciation [1] $ 2,033      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Jupiter, FL, 1151, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,252      
Initial Cost of Buildings & Improvements 11,415      
Cost Capitalized Subsequent to Acquisition 2,375      
Carrying Amount of Land 2,252      
Carrying Amount of Buildings and Improvements 13,790      
Accumulated Depreciation [1] $ 3,826      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 2001      
Outpatient Medical [Member] | Jupiter, FL, 1186, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,825      
Initial Cost of Buildings & Improvements 5,858      
Cost Capitalized Subsequent to Acquisition 566      
Carrying Amount of Land 2,825      
Carrying Amount of Buildings and Improvements 6,424      
Accumulated Depreciation [1] $ 2,288      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Kenosha, WI, 123401, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 7,494      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 18,058      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 18,058      
Accumulated Depreciation [1] $ 3,488      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Killeen, TX, 1268, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 760      
Initial Cost of Buildings & Improvements 22,878      
Cost Capitalized Subsequent to Acquisition 20      
Carrying Amount of Land 760      
Carrying Amount of Buildings and Improvements 22,898      
Accumulated Depreciation [1] $ 4,986      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Kyle, TX, 1404, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,569      
Initial Cost of Buildings & Improvements 14,384      
Cost Capitalized Subsequent to Acquisition 84      
Carrying Amount of Land 2,569      
Carrying Amount of Buildings and Improvements 14,468      
Accumulated Depreciation [1] $ 1,038      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | La Jolla, CA, 1449, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 12,855      
Initial Cost of Buildings & Improvements 32,658      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 12,855      
Carrying Amount of Buildings and Improvements 32,658      
Accumulated Depreciation [1] $ 969      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1976      
Outpatient Medical [Member] | La Jolla, CA, 1450, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 9,425      
Initial Cost of Buildings & Improvements 26,904      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 9,425      
Carrying Amount of Buildings and Improvements 26,904      
Accumulated Depreciation [1] $ 522      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1985      
Outpatient Medical [Member] | La Quinta, CA, 1408, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,266      
Initial Cost of Buildings & Improvements 22,066      
Cost Capitalized Subsequent to Acquisition 116      
Carrying Amount of Land 3,279      
Carrying Amount of Buildings and Improvements 22,169      
Accumulated Depreciation [1] $ 1,599      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Lake St Louis, MO, 1266, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 240      
Initial Cost of Buildings & Improvements 14,249      
Cost Capitalized Subsequent to Acquisition 49      
Carrying Amount of Land 240      
Carrying Amount of Buildings and Improvements 14,298      
Accumulated Depreciation [1] $ 3,342      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Lakeway, TX, LKY, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,801      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 2,801      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Lakewood, CA, 1131, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 146      
Initial Cost of Buildings & Improvements 14,885      
Cost Capitalized Subsequent to Acquisition 1,709      
Carrying Amount of Land 146      
Carrying Amount of Buildings and Improvements 16,594      
Accumulated Depreciation [1] $ 4,743      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Lakewood, WA, 1368, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 7,041      
Initial Cost of Land 72      
Initial Cost of Buildings & Improvements 16,017      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 72      
Carrying Amount of Buildings and Improvements 16,017      
Accumulated Depreciation [1] $ 1,873      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Las Vegas, NV, 1104, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,319      
Initial Cost of Buildings & Improvements 4,612      
Cost Capitalized Subsequent to Acquisition 1,021      
Carrying Amount of Land 2,319      
Carrying Amount of Buildings and Improvements 5,632      
Accumulated Depreciation [1] $ 1,988      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1991      
Outpatient Medical [Member] | Las Vegas, NV, 1139, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 74      
Initial Cost of Buildings & Improvements 15,287      
Cost Capitalized Subsequent to Acquisition 1,150      
Carrying Amount of Land 74      
Carrying Amount of Buildings and Improvements 16,437      
Accumulated Depreciation [1] $ 4,969      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 2000      
Outpatient Medical [Member] | Las Vegas, NV, 1179, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 433      
Initial Cost of Buildings & Improvements 6,921      
Cost Capitalized Subsequent to Acquisition 212      
Carrying Amount of Land 433      
Carrying Amount of Buildings and Improvements 7,133      
Accumulated Depreciation [1] $ 2,464      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Las Vegas, NV, LSV, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 6,127      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 50      
Carrying Amount of Land 6,127      
Carrying Amount of Buildings and Improvements 50      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1975      
Outpatient Medical [Member] | Lenexa, KS, 1282, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 540      
Initial Cost of Buildings & Improvements 17,926      
Cost Capitalized Subsequent to Acquisition 256      
Carrying Amount of Land 540      
Carrying Amount of Buildings and Improvements 18,182      
Accumulated Depreciation [1] $ 3,270      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Lenexa, KS, 1375, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 100      
Initial Cost of Buildings & Improvements 14,058      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 100      
Carrying Amount of Buildings and Improvements 14,058      
Accumulated Depreciation [1] $ 673      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Lincoln, NE, 1262, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,420      
Initial Cost of Buildings & Improvements 29,723      
Cost Capitalized Subsequent to Acquisition 25      
Carrying Amount of Land 1,420      
Carrying Amount of Buildings and Improvements 29,748      
Accumulated Depreciation [1] $ 7,625      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | Los Alamitos, CA, 1180, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 39      
Initial Cost of Buildings & Improvements 18,635      
Cost Capitalized Subsequent to Acquisition 1,218      
Carrying Amount of Land 39      
Carrying Amount of Buildings and Improvements 19,853      
Accumulated Depreciation [1] $ 5,625      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | Los Gatos, CA, 1132, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 488      
Initial Cost of Buildings & Improvements 22,386      
Cost Capitalized Subsequent to Acquisition 1,740      
Carrying Amount of Land 488      
Carrying Amount of Buildings and Improvements 24,126      
Accumulated Depreciation [1] $ 8,383      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Loxahatchee, FL, 1147, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,637      
Initial Cost of Buildings & Improvements 5,048      
Cost Capitalized Subsequent to Acquisition 985      
Carrying Amount of Land 1,719      
Carrying Amount of Buildings and Improvements 5,951      
Accumulated Depreciation [1] $ 2,009      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Loxahatchee, FL, 1155, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,340      
Initial Cost of Buildings & Improvements 6,509      
Cost Capitalized Subsequent to Acquisition 624      
Carrying Amount of Land 1,440      
Carrying Amount of Buildings and Improvements 7,033      
Accumulated Depreciation [1] $ 2,279      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Loxahatchee, FL, 1156, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,553      
Initial Cost of Buildings & Improvements 4,694      
Cost Capitalized Subsequent to Acquisition 1,018      
Carrying Amount of Land 1,650      
Carrying Amount of Buildings and Improvements 5,615      
Accumulated Depreciation [1] $ 1,791      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1994      
Outpatient Medical [Member] | Marinette, WI, 123601, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 6,036      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 13,538      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 13,538      
Accumulated Depreciation [1] $ 3,146      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2002      
Outpatient Medical [Member] | Melbourne, FL, 1399, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,439      
Initial Cost of Buildings & Improvements 50,461      
Cost Capitalized Subsequent to Acquisition 257      
Carrying Amount of Land 3,439      
Carrying Amount of Buildings and Improvements 50,718      
Accumulated Depreciation [1] $ 3,039      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Merced, CA, 1224, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 14,699      
Cost Capitalized Subsequent to Acquisition 5      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 14,704      
Accumulated Depreciation [1] $ 3,274      
Year Acquired Jan. 01, 2009      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Merriam, KS, 128001, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 176      
Initial Cost of Buildings & Improvements 8,005      
Cost Capitalized Subsequent to Acquisition 8,558      
Carrying Amount of Land 775      
Carrying Amount of Buildings and Improvements 15,965      
Accumulated Depreciation [1] $ 2,094      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1972      
Outpatient Medical [Member] | Merriam, KS, 128002, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 1,996      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 1,996      
Accumulated Depreciation [1] $ 782      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1980      
Outpatient Medical [Member] | Merriam, KS, 128003, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 10,222      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 10,222      
Accumulated Depreciation [1] $ 4,121      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1977      
Outpatient Medical [Member] | Merriam, KS, 128004, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 5,862      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 5,862      
Accumulated Depreciation [1] $ 2,059      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1985      
Outpatient Medical [Member] | Merriam, KS, 1391, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,226      
Initial Cost of Buildings & Improvements 24,998      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,226      
Carrying Amount of Buildings and Improvements 24,998      
Accumulated Depreciation [1] $ 2,449      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Merrillville, IN, 1199, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 22,134      
Cost Capitalized Subsequent to Acquisition 632      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 22,766      
Accumulated Depreciation [1] $ 5,023      
Year Acquired Jan. 01, 2008      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Mesa, AZ, 1195, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,558      
Initial Cost of Buildings & Improvements 9,561      
Cost Capitalized Subsequent to Acquisition 629      
Carrying Amount of Land 1,558      
Carrying Amount of Buildings and Improvements 10,190      
Accumulated Depreciation [1] $ 3,461      
Year Acquired Jan. 01, 2008      
Year Built Jan. 01, 1989      
Outpatient Medical [Member] | Mesquite, TX, 1355, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 496      
Initial Cost of Buildings & Improvements 3,834      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 496      
Carrying Amount of Buildings and Improvements 3,834      
Accumulated Depreciation [1] $ 531      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1994      
Outpatient Medical [Member] | Milwaukee, WI, 123201, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 2,569      
Initial Cost of Land 540      
Initial Cost of Buildings & Improvements 8,457      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 540      
Carrying Amount of Buildings and Improvements 8,457      
Accumulated Depreciation [1] $ 1,767      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1930      
Outpatient Medical [Member] | Milwaukee, WI, 123202, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 8,962      
Initial Cost of Land 1,425      
Initial Cost of Buildings & Improvements 11,520      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,425      
Carrying Amount of Buildings and Improvements 11,520      
Accumulated Depreciation [1] $ 3,138      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1962      
Outpatient Medical [Member] | Milwaukee, WI, 123209, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 2,242      
Initial Cost of Land 922      
Initial Cost of Buildings & Improvements 2,185      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 922      
Carrying Amount of Buildings and Improvements 2,185      
Accumulated Depreciation [1] $ 744      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1958      
Outpatient Medical [Member] | Milwaukee, WI, 123402, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 17,365      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 44,535      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 44,535      
Accumulated Depreciation [1] $ 8,415      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1983      
Outpatient Medical [Member] | Mission Hills, CA, 1421, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 25,247      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 42,276      
Cost Capitalized Subsequent to Acquisition 1,090      
Carrying Amount of Land 4,791      
Carrying Amount of Buildings and Improvements 38,575      
Accumulated Depreciation [1] $ 2,886      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Moline, IL, 1359, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 8,783      
Cost Capitalized Subsequent to Acquisition 29      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 8,812      
Accumulated Depreciation [1] $ 483      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Monticello, MN, 1367, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 8,464      
Initial Cost of Land 61      
Initial Cost of Buildings & Improvements 18,489      
Cost Capitalized Subsequent to Acquisition 22      
Carrying Amount of Land 61      
Carrying Amount of Buildings and Improvements 18,510      
Accumulated Depreciation [1] $ 1,986      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Moorestown, NJ, 1296, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 6      
Initial Cost of Buildings & Improvements 50,896      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 6      
Carrying Amount of Buildings and Improvements 50,896      
Accumulated Depreciation [1] $ 6,324      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Mount Juliet, TN, 1194, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 3,016      
Initial Cost of Land 1,566      
Initial Cost of Buildings & Improvements 11,697      
Cost Capitalized Subsequent to Acquisition 1,118      
Carrying Amount of Land 1,566      
Carrying Amount of Buildings and Improvements 12,815      
Accumulated Depreciation [1] $ 4,326      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Mount Vernon, IL, 1288, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 24,892      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 24,892      
Accumulated Depreciation [1] $ 3,195      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Murrieta, CA, 1242, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 47,190      
Cost Capitalized Subsequent to Acquisition 486      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 47,676      
Accumulated Depreciation [1] $ 11,011      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Murrieta, CA, 1414, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,800      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,800      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Muskego, WI, 123206, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 1,078      
Initial Cost of Land 964      
Initial Cost of Buildings & Improvements 2,159      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 964      
Carrying Amount of Buildings and Improvements 2,159      
Accumulated Depreciation [1] $ 417      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Nashville, TN, 1106, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,806      
Initial Cost of Buildings & Improvements 7,165      
Cost Capitalized Subsequent to Acquisition 2,036      
Carrying Amount of Land 1,806      
Carrying Amount of Buildings and Improvements 9,201      
Accumulated Depreciation [1] $ 3,416      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1986      
Outpatient Medical [Member] | New Albany, IN, 1405, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,411      
Initial Cost of Buildings & Improvements 16,494      
Cost Capitalized Subsequent to Acquisition 30      
Carrying Amount of Land 2,411      
Carrying Amount of Buildings and Improvements 16,524      
Accumulated Depreciation [1] $ 993      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | New Berlin, WI, 123207, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 4,156      
Initial Cost of Land 3,739      
Initial Cost of Buildings & Improvements 8,290      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,739      
Carrying Amount of Buildings and Improvements 8,290      
Accumulated Depreciation [1] $ 1,737      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Niagara Falls, NY, 119101, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,433      
Initial Cost of Buildings & Improvements 10,891      
Cost Capitalized Subsequent to Acquisition 271      
Carrying Amount of Land 1,597      
Carrying Amount of Buildings and Improvements 10,998      
Accumulated Depreciation [1] $ 4,302      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1995      
Outpatient Medical [Member] | Niagara Falls, NY, 119102, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 454      
Initial Cost of Buildings & Improvements 8,362      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 454      
Carrying Amount of Buildings and Improvements 8,362      
Accumulated Depreciation [1] $ 2,358      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Oklahoma City, OK, 1369, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 216      
Initial Cost of Buildings & Improvements 19,135      
Cost Capitalized Subsequent to Acquisition 77      
Carrying Amount of Land 216      
Carrying Amount of Buildings and Improvements 19,212      
Accumulated Depreciation [1] $ 2,553      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Oro Valley, AZ, 1182, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 9,395      
Initial Cost of Land 89      
Initial Cost of Buildings & Improvements 18,339      
Cost Capitalized Subsequent to Acquisition 746      
Carrying Amount of Land 89      
Carrying Amount of Buildings and Improvements 19,084      
Accumulated Depreciation [1] $ 5,423      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Oshkosh, WI, 123501, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 18,339      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 18,339      
Accumulated Depreciation [1] $ 3,515      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2000      
Outpatient Medical [Member] | Oshkosh, WI, 123701, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 7,467      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 15,881      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 15,881      
Accumulated Depreciation [1] $ 3,012      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2000      
Outpatient Medical [Member] | Palm Springs, FL, 1142, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 739      
Initial Cost of Buildings & Improvements 4,066      
Cost Capitalized Subsequent to Acquisition 494      
Carrying Amount of Land 739      
Carrying Amount of Buildings and Improvements 4,560      
Accumulated Depreciation [1] $ 1,732      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1993      
Outpatient Medical [Member] | Palm Springs, FL, 1152, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,182      
Initial Cost of Buildings & Improvements 7,765      
Cost Capitalized Subsequent to Acquisition 563      
Carrying Amount of Land 1,182      
Carrying Amount of Buildings and Improvements 8,328      
Accumulated Depreciation [1] $ 2,978      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Palmer, AK, 1188, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 18,345      
Initial Cost of Land 217      
Initial Cost of Buildings & Improvements 29,705      
Cost Capitalized Subsequent to Acquisition 1,220      
Carrying Amount of Land 217      
Carrying Amount of Buildings and Improvements 30,925      
Accumulated Depreciation [1] $ 8,475      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Pasadena, TX, 1351, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,700      
Initial Cost of Buildings & Improvements 8,009      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,700      
Carrying Amount of Buildings and Improvements 8,009      
Accumulated Depreciation [1] $ 501      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Pearland, TX, 1344, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,500      
Initial Cost of Buildings & Improvements 11,253      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,500      
Carrying Amount of Buildings and Improvements 11,253      
Accumulated Depreciation [1] $ 613      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2015      
Outpatient Medical [Member] | Pearland, TX, 1429, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 9,594      
Initial Cost of Buildings & Improvements 32,753      
Cost Capitalized Subsequent to Acquisition 191      
Carrying Amount of Land 9,807      
Carrying Amount of Buildings and Improvements 32,731      
Accumulated Depreciation [1] $ 1,337      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Pendleton, OR, 1361, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 10,312      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 10,312      
Accumulated Depreciation [1] $ 549      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Phoenix, AZ, 1123, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,149      
Initial Cost of Buildings & Improvements 48,018      
Cost Capitalized Subsequent to Acquisition 11,069      
Carrying Amount of Land 1,149      
Carrying Amount of Buildings and Improvements 59,087      
Accumulated Depreciation [1] $ 18,292      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1998      
Outpatient Medical [Member] | Pineville, NC, 1105, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 961      
Initial Cost of Buildings & Improvements 6,974      
Cost Capitalized Subsequent to Acquisition 2,515      
Carrying Amount of Land 1,077      
Carrying Amount of Buildings and Improvements 9,373      
Accumulated Depreciation [1] $ 3,343      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1988      
Outpatient Medical [Member] | Plano, TX, 1201, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 5,423      
Initial Cost of Buildings & Improvements 20,698      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 5,423      
Carrying Amount of Buildings and Improvements 20,698      
Accumulated Depreciation [1] $ 9,178      
Year Acquired Jan. 01, 2008      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Plano, TX, 1314, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 52,479      
Initial Cost of Land 793      
Initial Cost of Buildings & Improvements 83,209      
Cost Capitalized Subsequent to Acquisition 578      
Carrying Amount of Land 793      
Carrying Amount of Buildings and Improvements 83,787      
Accumulated Depreciation [1] $ 13,469      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2005      
Outpatient Medical [Member] | Plantation, FL, 1140, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 8,563      
Initial Cost of Buildings & Improvements 10,666      
Cost Capitalized Subsequent to Acquisition 3,169      
Carrying Amount of Land 8,575      
Carrying Amount of Buildings and Improvements 13,823      
Accumulated Depreciation [1] $ 5,716      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Plantation, FL, 1141, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 8,848      
Initial Cost of Buildings & Improvements 9,262      
Cost Capitalized Subsequent to Acquisition 587      
Carrying Amount of Land 8,908      
Carrying Amount of Buildings and Improvements 9,789      
Accumulated Depreciation [1] $ 5,824      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1996      
Outpatient Medical [Member] | Plymouth, WI, 123203, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 1,258      
Initial Cost of Land 1,250      
Initial Cost of Buildings & Improvements 1,870      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,250      
Carrying Amount of Buildings and Improvements 1,870      
Accumulated Depreciation [1] $ 440      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1991      
Outpatient Medical [Member] | Portland, ME, 1301, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 655      
Initial Cost of Buildings & Improvements 25,930      
Cost Capitalized Subsequent to Acquisition 13      
Carrying Amount of Land 655      
Carrying Amount of Buildings and Improvements 25,943      
Accumulated Depreciation [1] $ 4,949      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Redmond, WA, 1245, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 5,015      
Initial Cost of Buildings & Improvements 26,709      
Cost Capitalized Subsequent to Acquisition 284      
Carrying Amount of Land 5,015      
Carrying Amount of Buildings and Improvements 26,993      
Accumulated Depreciation [1] $ 5,122      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Reno, NV, 1116, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,117      
Initial Cost of Buildings & Improvements 21,972      
Cost Capitalized Subsequent to Acquisition 1,999      
Carrying Amount of Land 1,117      
Carrying Amount of Buildings and Improvements 23,970      
Accumulated Depreciation [1] $ 7,123      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1991      
Outpatient Medical [Member] | Richmond, VA, 1307, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,969      
Initial Cost of Buildings & Improvements 26,697      
Cost Capitalized Subsequent to Acquisition 60      
Carrying Amount of Land 3,004      
Carrying Amount of Buildings and Improvements 26,722      
Accumulated Depreciation [1] $ 4,413      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Rockwall, TX, 1315, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 132      
Initial Cost of Buildings & Improvements 17,197      
Cost Capitalized Subsequent to Acquisition 3      
Carrying Amount of Land 132      
Carrying Amount of Buildings and Improvements 17,200      
Accumulated Depreciation [1] $ 2,862      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Rogers, AR, 1309, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,062      
Initial Cost of Buildings & Improvements 29,326      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,062      
Carrying Amount of Buildings and Improvements 29,326      
Accumulated Depreciation [1] $ 6,007      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2008      
Outpatient Medical [Member] | Rolla, MO, 1310, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,931      
Initial Cost of Buildings & Improvements 47,639      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,931      
Carrying Amount of Buildings and Improvements 47,639      
Accumulated Depreciation [1] $ 7,480      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Roswell, NM, 1332, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 183      
Initial Cost of Buildings & Improvements 5,851      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 183      
Carrying Amount of Buildings and Improvements 5,851      
Accumulated Depreciation [1] $ 1,116      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Roswell, NM, 1333, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 4,049      
Initial Cost of Land 883      
Initial Cost of Buildings & Improvements 15,984      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 883      
Carrying Amount of Buildings and Improvements 15,984      
Accumulated Depreciation [1] $ 2,720      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Roswell, NM, 1334, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 762      
Initial Cost of Buildings & Improvements 17,171      
Cost Capitalized Subsequent to Acquisition 1      
Carrying Amount of Land 762      
Carrying Amount of Buildings and Improvements 17,171      
Accumulated Depreciation [1] $ 2,333      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Sacramento, CA, 1115, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 866      
Initial Cost of Buildings & Improvements 12,756      
Cost Capitalized Subsequent to Acquisition 1,715      
Carrying Amount of Land 866      
Carrying Amount of Buildings and Improvements 14,471      
Accumulated Depreciation [1] $ 4,491      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1990      
Outpatient Medical [Member] | Salem, NH, 1397, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,655      
Initial Cost of Buildings & Improvements 14,050      
Cost Capitalized Subsequent to Acquisition 20      
Carrying Amount of Land 1,655      
Carrying Amount of Buildings and Improvements 14,070      
Accumulated Depreciation [1] $ 1,052      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2014      
Outpatient Medical [Member] | San Antonio, TX, 111101, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,012      
Initial Cost of Buildings & Improvements 10,545      
Cost Capitalized Subsequent to Acquisition 739      
Carrying Amount of Land 1,012      
Carrying Amount of Buildings and Improvements 11,284      
Accumulated Depreciation [1] $ 4,482      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1999      
Outpatient Medical [Member] | San Antonio, TX, 111102, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,038      
Initial Cost of Buildings & Improvements 9,173      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,038      
Carrying Amount of Buildings and Improvements 9,173      
Accumulated Depreciation [1] $ 3,565      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1999      
Outpatient Medical [Member] | San Antonio, TX, 1319, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 18,400      
Initial Cost of Land 4,518      
Initial Cost of Buildings & Improvements 31,041      
Cost Capitalized Subsequent to Acquisition 362      
Carrying Amount of Land 4,548      
Carrying Amount of Buildings and Improvements 31,373      
Accumulated Depreciation [1] $ 6,536      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1986      
Outpatient Medical [Member] | San Antonio, TX, 1403, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 900      
Initial Cost of Buildings & Improvements 17,288      
Cost Capitalized Subsequent to Acquisition 304      
Carrying Amount of Land 900      
Carrying Amount of Buildings and Improvements 17,591      
Accumulated Depreciation [1] $ 1,726      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2006      
Outpatient Medical [Member] | Santa Clarita, CA, 141501, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 2,338      
Cost Capitalized Subsequent to Acquisition 19,664      
Carrying Amount of Land 5,196      
Carrying Amount of Buildings and Improvements 16,806      
Accumulated Depreciation [1] $ 1,125      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Santa Clarita, CA, 1417, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 28,384      
Cost Capitalized Subsequent to Acquisition 1,580      
Carrying Amount of Land 5,250      
Carrying Amount of Buildings and Improvements 24,714      
Accumulated Depreciation [1] $ 1,705      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1900      
Outpatient Medical [Member] | Santa Clarita, CA, 1418, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 278      
Initial Cost of Buildings & Improvements 185      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 278      
Carrying Amount of Buildings and Improvements 185      
Accumulated Depreciation [1] $ 67      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1976      
Outpatient Medical [Member] | Santa Clarita, CA, 1419, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 25,000      
Initial Cost of Land 295      
Initial Cost of Buildings & Improvements 40,262      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 295      
Carrying Amount of Buildings and Improvements 40,262      
Accumulated Depreciation [1] $ 1,525      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1998      
Outpatient Medical [Member] | Santa Clarita, CA, 1420, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 20,618      
Cost Capitalized Subsequent to Acquisition 307      
Carrying Amount of Land 4,407      
Carrying Amount of Buildings and Improvements 16,518      
Accumulated Depreciation [1] $ 1,219      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1996      
Outpatient Medical [Member] | Santa Clarita, CA, 1423, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 9,835      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 1,760      
Carrying Amount of Land 11,595      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1986      
Outpatient Medical [Member] | Sarasota, FL, 1289, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 62      
Initial Cost of Buildings & Improvements 47,325      
Cost Capitalized Subsequent to Acquisition 864      
Carrying Amount of Land 62      
Carrying Amount of Buildings and Improvements 48,190      
Accumulated Depreciation [1] $ 6,807      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 1990      
Outpatient Medical [Member] | Seattle, WA, 1284, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 4,410      
Initial Cost of Buildings & Improvements 38,428      
Cost Capitalized Subsequent to Acquisition 358      
Carrying Amount of Land 4,410      
Carrying Amount of Buildings and Improvements 38,786      
Accumulated Depreciation [1] $ 8,479      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2010      
Outpatient Medical [Member] | Sewell, NJ, 1207, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 60      
Initial Cost of Buildings & Improvements 57,929      
Cost Capitalized Subsequent to Acquisition 308      
Carrying Amount of Land 74      
Carrying Amount of Buildings and Improvements 58,223      
Accumulated Depreciation [1] $ 16,141      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Shakopee, MN, 1263, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 6,350      
Initial Cost of Land 508      
Initial Cost of Buildings & Improvements 11,412      
Cost Capitalized Subsequent to Acquisition 36      
Carrying Amount of Land 509      
Carrying Amount of Buildings and Improvements 11,447      
Accumulated Depreciation [1] $ 2,701      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1996      
Outpatient Medical [Member] | Shakopee, MN, 1270, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 10,739      
Initial Cost of Land 707      
Initial Cost of Buildings & Improvements 18,089      
Cost Capitalized Subsequent to Acquisition 66      
Carrying Amount of Land 773      
Carrying Amount of Buildings and Improvements 18,089      
Accumulated Depreciation [1] $ 3,142      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Sheboygan, WI, 123204, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 1,737      
Initial Cost of Land 1,012      
Initial Cost of Buildings & Improvements 2,216      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,012      
Carrying Amount of Buildings and Improvements 2,216      
Accumulated Depreciation [1] $ 526      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1958      
Outpatient Medical [Member] | Shenandoah, TX, 1393, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 21,135      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 21,135      
Accumulated Depreciation [1] $ 528      
Year Acquired Jan. 01, 2013      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Sherman Oaks, CA, 1422, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 32,186      
Cost Capitalized Subsequent to Acquisition 1,902      
Carrying Amount of Land 3,121      
Carrying Amount of Buildings and Improvements 30,967      
Accumulated Depreciation [1] $ 2,097      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1989      
Outpatient Medical [Member] | Somerville, NJ, 1198, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,400      
Initial Cost of Buildings & Improvements 22,244      
Cost Capitalized Subsequent to Acquisition 2      
Carrying Amount of Land 3,400      
Carrying Amount of Buildings and Improvements 22,246      
Accumulated Depreciation [1] $ 4,125      
Year Acquired Jan. 01, 2008      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Southlake, TX, 1317, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 11,680      
Initial Cost of Land 592      
Initial Cost of Buildings & Improvements 18,243      
Cost Capitalized Subsequent to Acquisition 149      
Carrying Amount of Land 592      
Carrying Amount of Buildings and Improvements 18,392      
Accumulated Depreciation [1] $ 2,896      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Southlake, TX, 1318, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 17,800      
Initial Cost of Land 698      
Initial Cost of Buildings & Improvements 30,549      
Cost Capitalized Subsequent to Acquisition 1,709      
Carrying Amount of Land 698      
Carrying Amount of Buildings and Improvements 32,258      
Accumulated Depreciation [1] $ 4,276      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2004      
Outpatient Medical [Member] | Southlake, TX, 1434, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,000      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,000      
Carrying Amount of Buildings and Improvements 0      
Accumulated Depreciation [1] $ 0      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Springfield, IL, 1461, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 5,273      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 11,919      
Carrying Amount of Land 1,569      
Carrying Amount of Buildings and Improvements 10,350      
Accumulated Depreciation [1] $ 66      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1989      
Outpatient Medical [Member] | Springfield, IL, 1462, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 1,650      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 0      
Cost Capitalized Subsequent to Acquisition 3,696      
Carrying Amount of Land 177      
Carrying Amount of Buildings and Improvements 3,519      
Accumulated Depreciation [1] $ 23      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1988      
Outpatient Medical [Member] | St Paul, MN, 1425, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 49      
Initial Cost of Buildings & Improvements 37,695      
Cost Capitalized Subsequent to Acquisition 283      
Carrying Amount of Land 49      
Carrying Amount of Buildings and Improvements 37,978      
Accumulated Depreciation [1] $ 1,465      
Year Acquired Jan. 01, 2014      
Year Built Jan. 01, 1969      
Outpatient Medical [Member] | St. Louis, MO, 1175, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 336      
Initial Cost of Buildings & Improvements 17,247      
Cost Capitalized Subsequent to Acquisition 1,119      
Carrying Amount of Land 336      
Carrying Amount of Buildings and Improvements 18,366      
Accumulated Depreciation [1] $ 5,550      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2001      
Outpatient Medical [Member] | St. Paul, MN, 1276, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 24,781      
Initial Cost of Land 2,706      
Initial Cost of Buildings & Improvements 39,507      
Cost Capitalized Subsequent to Acquisition 13      
Carrying Amount of Land 2,704      
Carrying Amount of Buildings and Improvements 39,523      
Accumulated Depreciation [1] $ 7,500      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Suffern, NY, 1311, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 653      
Initial Cost of Buildings & Improvements 37,255      
Cost Capitalized Subsequent to Acquisition 130      
Carrying Amount of Land 696      
Carrying Amount of Buildings and Improvements 37,342      
Accumulated Depreciation [1] $ 6,695      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Suffolk, VA, 1254, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,566      
Initial Cost of Buildings & Improvements 11,511      
Cost Capitalized Subsequent to Acquisition 25      
Carrying Amount of Land 1,566      
Carrying Amount of Buildings and Improvements 11,537      
Accumulated Depreciation [1] $ 3,326      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2007      
Outpatient Medical [Member] | Sugar Land, TX, 1363, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 8,305      
Initial Cost of Land 3,543      
Initial Cost of Buildings & Improvements 15,532      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,543      
Carrying Amount of Buildings and Improvements 15,532      
Accumulated Depreciation [1] $ 2,643      
Year Acquired Jan. 01, 2012      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Summit, WI, 1221, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,899      
Initial Cost of Buildings & Improvements 87,666      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 2,899      
Carrying Amount of Buildings and Improvements 87,666      
Accumulated Depreciation [1] $ 22,984      
Year Acquired Jan. 01, 2008      
Year Built Jan. 01, 2009      
Outpatient Medical [Member] | Tacoma, WA, 1302, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 64,307      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 64,307      
Accumulated Depreciation [1] $ 8,481      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2013      
Outpatient Medical [Member] | Tallahassee, FL, 1241, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 17,449      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 17,449      
Accumulated Depreciation [1] $ 3,575      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2011      
Outpatient Medical [Member] | Tampa, FL, 130001, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 4,318      
Initial Cost of Buildings & Improvements 12,228      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 4,318      
Carrying Amount of Buildings and Improvements 12,222      
Accumulated Depreciation [1] $ 1,672      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | Temple, TX, 1305, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 2,900      
Initial Cost of Buildings & Improvements 9,954      
Cost Capitalized Subsequent to Acquisition 26      
Carrying Amount of Land 2,900      
Carrying Amount of Buildings and Improvements 9,980      
Accumulated Depreciation [1] $ 870      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Tucson, AZ, 1197, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 1,302      
Initial Cost of Buildings & Improvements 4,925      
Cost Capitalized Subsequent to Acquisition 847      
Carrying Amount of Land 1,325      
Carrying Amount of Buildings and Improvements 5,749      
Accumulated Depreciation [1] $ 2,170      
Year Acquired Jan. 01, 2008      
Year Built Jan. 01, 1995      
Outpatient Medical [Member] | Tustin, CA, 144701, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,345      
Initial Cost of Buildings & Improvements 2,171      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,345      
Carrying Amount of Buildings and Improvements 2,171      
Accumulated Depreciation [1] $ 328      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1950      
Outpatient Medical [Member] | Tustin, CA, 144702, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,361      
Initial Cost of Buildings & Improvements 12,039      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,361      
Carrying Amount of Buildings and Improvements 12,039      
Accumulated Depreciation [1] $ 200      
Year Acquired Jan. 01, 2015      
Year Built Jan. 01, 1989      
Outpatient Medical [Member] | Van Nuys, CA, 1231, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 0      
Initial Cost of Buildings & Improvements 36,187      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 0      
Carrying Amount of Buildings and Improvements 36,187      
Accumulated Depreciation [1] $ 6,561      
Year Acquired Jan. 01, 2009      
Year Built Jan. 01, 1991      
Outpatient Medical [Member] | Voorhees, NJ, 1117, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 6,404      
Initial Cost of Buildings & Improvements 24,251      
Cost Capitalized Subsequent to Acquisition 1,471      
Carrying Amount of Land 6,477      
Carrying Amount of Buildings and Improvements 25,649      
Accumulated Depreciation [1] $ 7,515      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 1997      
Outpatient Medical [Member] | Voorhees, NJ, 1255, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 6      
Initial Cost of Buildings & Improvements 96,075      
Cost Capitalized Subsequent to Acquisition 77      
Carrying Amount of Land 6      
Carrying Amount of Buildings and Improvements 96,152      
Accumulated Depreciation [1] $ 13,977      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 2012      
Outpatient Medical [Member] | Wellington, FL, 1160, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 107      
Initial Cost of Buildings & Improvements 16,933      
Cost Capitalized Subsequent to Acquisition 2,587      
Carrying Amount of Land 302      
Carrying Amount of Buildings and Improvements 19,325      
Accumulated Depreciation [1] $ 4,967      
Year Acquired Jan. 01, 2006      
Year Built Jan. 01, 2000      
Outpatient Medical [Member] | Wellington, FL, 1184, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 388      
Initial Cost of Buildings & Improvements 13,697      
Cost Capitalized Subsequent to Acquisition 925      
Carrying Amount of Land 388      
Carrying Amount of Buildings and Improvements 14,622      
Accumulated Depreciation [1] $ 3,832      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 2003      
Outpatient Medical [Member] | West Allis, WI, 123208, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 3,190      
Initial Cost of Land 1,106      
Initial Cost of Buildings & Improvements 3,309      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 1,106      
Carrying Amount of Buildings and Improvements 3,309      
Accumulated Depreciation [1] $ 938      
Year Acquired Jan. 01, 2010      
Year Built Jan. 01, 1961      
Outpatient Medical [Member] | West Seneca, NY, 1190, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 917      
Initial Cost of Buildings & Improvements 22,435      
Cost Capitalized Subsequent to Acquisition 2,623      
Carrying Amount of Land 1,665      
Carrying Amount of Buildings and Improvements 24,310      
Accumulated Depreciation [1] $ 7,547      
Year Acquired Jan. 01, 2007      
Year Built Jan. 01, 1990      
Outpatient Medical [Member] | Zephyrhills, FL, 130003, Outpatient Medical [Member]        
Real Estate and Accumulated Depreciation [Line Items]        
Initial Cost of Encumbrances $ 0      
Initial Cost of Land 3,875      
Initial Cost of Buildings & Improvements 27,270      
Cost Capitalized Subsequent to Acquisition 0      
Carrying Amount of Land 3,875      
Carrying Amount of Buildings and Improvements 27,270      
Accumulated Depreciation [1] $ 4,063      
Year Acquired Jan. 01, 2011      
Year Built Jan. 01, 1974      
[1] Represents real property asset associated with a capital lease.