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Schedule III - Real Estate Investments and Accumulated Depreciation (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Initial costs, land $ 1,003,149      
Initial costs, buildings 5,916,757      
Additions subsequent to acquisition, Improvements 370,918      
Additions subsequent to acquisition, carrying costs 21,662      
Land at cost 1,017,402      
Buildings at cost 6,295,084      
Total at cost 7,312,486 $ 4,781,149 $ 5,438,148 $ 3,968,042
Accumulated Depreciation $ 504,651 $ 414,331    
1981 [Member] | Ashtead, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 38,324      
Initial costs, buildings 73,722      
Additions subsequent to acquisition, Improvements 998      
Land at cost 39,322      
Buildings at cost 73,722      
Total at cost 113,044      
Accumulated Depreciation 642      
Encumbrances $ 0      
Date of Construction 1981      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1981 [Member] | Euxton, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,964      
Initial costs, buildings 37,028      
Additions subsequent to acquisition, Improvements 844      
Land at cost 4,808      
Buildings at cost 37,028      
Total at cost 41,836      
Accumulated Depreciation 332      
Encumbrances $ 0      
Date of Construction 1981      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1981 [Member] | Torquay, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,754      
Initial costs, buildings 37,219      
Additions subsequent to acquisition, Improvements 349      
Land at cost 3,103      
Buildings at cost 37,219      
Total at cost 40,322      
Accumulated Depreciation $ 320      
Date of Construction 1981      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2008 [Member] | Bath, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,571      
Initial costs, buildings 32,569      
Land at cost 1,571      
Buildings at cost 32,569      
Total at cost 34,140      
Accumulated Depreciation 4,478      
Encumbrances $ 0      
Date of Construction 2008      
Date Acquired Jul. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2008 [Member] | Boise, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 1,558      
Initial costs, buildings 11,027      
Land at cost 1,558      
Buildings at cost 11,027      
Total at cost 12,585      
Accumulated Depreciation 403      
Encumbrances $ 0      
Date of Construction 2008      
Date Acquired Feb. 29, 2012      
Life on which depreciation in latest income statements is computed (Years) 50 years      
2008 [Member] | Boardman, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 79      
Initial costs, buildings 275      
Land at cost 79      
Buildings at cost 275      
Total at cost 354      
Accumulated Depreciation 3      
Encumbrances $ 0      
Date of Construction 2008      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2008 [Member] | Crown Point I N        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 302      
Initial costs, buildings 528      
Land at cost 302      
Buildings at cost 528      
Total at cost 830      
Accumulated Depreciation 6      
Encumbrances $ 0      
Date of Construction 2008      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2008 [Member] | Lubbock, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,376      
Initial costs, buildings 28,292      
Additions subsequent to acquisition, Improvements 3,648      
Land at cost 1,376      
Buildings at cost 31,940      
Total at cost 33,316      
Accumulated Depreciation 3,469      
Encumbrances $ 0      
Date of Construction 2008      
Date Acquired Jun. 16, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1887 [Member} | Bassenheim, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 998      
Initial costs, buildings 5,372      
Additions subsequent to acquisition, Improvements 168      
Land at cost 1,166      
Buildings at cost 5,372      
Total at cost 6,538      
Accumulated Depreciation 136      
Encumbrances $ 0      
Date of Construction 1887      
Date Acquired Feb. 09, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2009 [Member] | Bath, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,571      
Initial costs, buildings 32,569      
Land at cost 1,571      
Buildings at cost 32,569      
Total at cost 34,140      
Accumulated Depreciation 4,478      
Encumbrances $ 0      
Date of Construction 2009      
Date Acquired Jul. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2009 [Member] | Brighton, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 18,540      
Initial costs, buildings 146,491      
Additions subsequent to acquisition, Improvements 39,036      
Land at cost 18,540      
Buildings at cost 185,527      
Total at cost 204,067      
Accumulated Depreciation 12,301      
Encumbrances $ 0      
Date of Construction 2009      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2009 [Member] | Folsom, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 3,291      
Initial costs, buildings 21,293      
Land at cost 3,291      
Buildings at cost 21,293      
Total at cost 24,584      
Accumulated Depreciation 211      
Encumbrances $ 0      
Date of Construction 2009      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2009 [Member] | Springfield, IL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 542      
Initial costs, buildings 1,458      
Land at cost 542      
Buildings at cost 1,458      
Total at cost 2,000      
Accumulated Depreciation $ 14      
Date of Construction 2009      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1983 [Member] | Bassenheim, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 998      
Initial costs, buildings 5,372      
Additions subsequent to acquisition, Improvements 168      
Land at cost 1,166      
Buildings at cost 5,372      
Total at cost 6,538      
Accumulated Depreciation 136      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Feb. 09, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1983 [Member] | Grefath, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,120      
Initial costs, buildings 3,076      
Additions subsequent to acquisition, Improvements 99      
Land at cost 1,219      
Buildings at cost 3,076      
Total at cost 4,295      
Accumulated Depreciation 111      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Aug. 28, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1983 [Member] | Remscheid, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,007      
Initial costs, buildings 2,567      
Additions subsequent to acquisition, Improvements 58      
Land at cost 1,065      
Buildings at cost 2,567      
Total at cost 3,632      
Accumulated Depreciation 91      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Aug. 28, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1983 [Member] | Lander, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 761      
Initial costs, buildings 42,849      
Land at cost 761      
Buildings at cost 42,849      
Total at cost 43,610      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1983 [Member] | Milwaukee, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 558      
Initial costs, buildings 1,442      
Land at cost 558      
Buildings at cost 1,442      
Total at cost 2,000      
Accumulated Depreciation 15      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1983 [Member] | Riverton, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,163      
Initial costs, buildings 29,647      
Land at cost 1,163      
Buildings at cost 29,647      
Total at cost 30,810      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 36 years      
1983 [Member] | Port Huron, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,531      
Initial costs, buildings 14,252      
Land at cost 2,531      
Buildings at cost 14,252      
Total at cost 16,783      
Accumulated Depreciation 1,947      
Encumbrances $ 0      
Date of Construction 1983      
Date Acquired Dec. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1983 [Member] | Watsonville, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 16,488      
Initial costs, buildings 17,800      
Land at cost 16,488      
Buildings at cost 17,800      
Total at cost 34,288      
Accumulated Depreciation $ 163      
Date of Construction 1983      
Date Acquired Sep. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 39 years      
1983 [Member] | Wheeling, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,480      
Initial costs, buildings 7,920      
Land at cost 1,480      
Buildings at cost 7,920      
Total at cost $ 9,400      
Date of Construction 1983      
Date Acquired Jun. 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 8 years      
1977 [Member] | Braunfels, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,153      
Initial costs, buildings 13,761      
Additions subsequent to acquisition, Improvements 56      
Land at cost 2,209      
Buildings at cost 13,761      
Total at cost 15,970      
Accumulated Depreciation 1,565      
Encumbrances $ 0      
Date of Construction 1977      
Date Acquired Jun. 30, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1885 [Member] | Heidelberg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 6,262      
Initial costs, buildings 36,187      
Additions subsequent to acquisition, Improvements 73      
Land at cost 6,335      
Buildings at cost 36,187      
Total at cost 42,522      
Accumulated Depreciation 3,183      
Encumbrances $ 0      
Date of Construction 1885      
Date Acquired Jun. 22, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1991 [Member] | Heidelberg, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 6,262      
Initial costs, buildings 36,187      
Additions subsequent to acquisition, Improvements 73      
Land at cost 6,335      
Buildings at cost 36,187      
Total at cost 42,522      
Accumulated Depreciation 3,183      
Encumbrances $ 0      
Date of Construction 1991      
Date Acquired Jun. 22, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1991 [Member] | Fresno, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 5,507      
Initial costs, buildings 70,564      
Land at cost 5,507      
Buildings at cost 70,564      
Total at cost 76,071      
Accumulated Depreciation 633      
Encumbrances $ 0      
Date of Construction 1991      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2017 [Member] | Birmingham, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 9,313      
Land at cost 9,313      
Total at cost 9,313      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired Apr. 03, 2017      
Life on which depreciation in latest income statements is computed (Years) 0 years      
2017 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,903      
Initial costs, buildings 4,267      
Land at cost 1,903      
Buildings at cost 4,267      
Total at cost 6,170      
Accumulated Depreciation 325      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired May 08, 2017      
Life on which depreciation in latest income statements is computed (Years) 35 years      
2017 [Member] | Austin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 3,846      
Initial costs, buildings 4,200      
Land at cost 3,846      
Buildings at cost 4,200      
Total at cost 8,046      
Accumulated Depreciation 330      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired Mar. 02, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2017 [Member] | Kansas City, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,351      
Initial costs, buildings 13,665      
Land at cost 2,351      
Buildings at cost 13,665      
Total at cost 16,016      
Accumulated Depreciation 172      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 50 years      
2017 [Member] | Leawood, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,513      
Initial costs, buildings 13,938      
Land at cost 2,513      
Buildings at cost 13,938      
Total at cost 16,451      
Accumulated Depreciation 175      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2017 [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,132      
Initial costs, buildings 5,052      
Land at cost 1,132      
Buildings at cost 5,052      
Total at cost 6,184      
Accumulated Depreciation $ 347      
Date of Construction 2017      
Date Acquired Apr. 13, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2017 [Member] | Overland Park, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,974      
Initial costs, buildings 14,405      
Land at cost 2,974      
Buildings at cost 14,405      
Total at cost 17,379      
Accumulated Depreciation 183      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 50 years      
2017 [Member] | Texarkana, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 14,562      
Land at cost 14,562      
Total at cost $ 14,562      
Date of Construction 2017      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 0 years      
2011 [Member] | Cologne, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,394      
Initial costs, buildings 15,201      
Additions subsequent to acquisition, Improvements 101      
Land at cost 4,495      
Buildings at cost 15,201      
Total at cost 19,696      
Accumulated Depreciation 967      
Encumbrances $ 0      
Date of Construction 2011      
Date Acquired Jun. 23, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2011 [Member] | Methuen, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 23,809      
Initial costs, buildings 89,505      
Additions subsequent to acquisition, Improvements 9,184      
Land at cost 23,809      
Buildings at cost 98,689      
Total at cost 122,498      
Accumulated Depreciation 8,500      
Encumbrances $ 0      
Date of Construction 2011      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1974 [Member] | Bad Salzuflen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 9,752      
Initial costs, buildings 27,000      
Additions subsequent to acquisition, Improvements 917      
Land at cost 10,669      
Buildings at cost 27,000      
Total at cost 37,669      
Accumulated Depreciation 1,534      
Encumbrances $ 0      
Date of Construction 1974      
Date Acquired Nov. 30, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1974 [Member] | Redding, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,555      
Initial costs, buildings 53,863      
Additions subsequent to acquisition, carrying costs 13      
Land at cost 1,555      
Buildings at cost 53,876      
Total at cost 55,431      
Accumulated Depreciation 16,732      
Encumbrances $ 0      
Date of Construction 1974      
Date Acquired Aug. 10, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1974 [Member] | Sebastian, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,733      
Initial costs, buildings 49,136      
Additions subsequent to acquisition, Improvements 38,272      
Land at cost 5,733      
Buildings at cost 87,408      
Total at cost 93,141      
Accumulated Depreciation $ 3,736      
Date of Construction 1974      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2016 [Member] | Bad Salzuflen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 9,752      
Initial costs, buildings 27,000      
Additions subsequent to acquisition, Improvements 917      
Land at cost 10,669      
Buildings at cost 27,000      
Total at cost 37,669      
Accumulated Depreciation 1,534      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Nov. 30, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 950      
Initial costs, buildings 3,996      
Land at cost 950      
Buildings at cost 3,996      
Total at cost 4,946      
Accumulated Depreciation 325      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Sep. 26, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Glendale, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,144      
Initial costs, buildings 6,087      
Land at cost 1,144      
Buildings at cost 6,087      
Total at cost 7,231      
Accumulated Depreciation 482      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Oct. 21, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | New Orleans, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,850      
Initial costs, buildings 6,125      
Land at cost 2,850      
Buildings at cost 6,125      
Total at cost 8,975      
Accumulated Depreciation 498      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Sep. 23, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Katy, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,629      
Initial costs, buildings 4,174      
Land at cost 1,629      
Buildings at cost 4,174      
Total at cost 5,803      
Accumulated Depreciation 339      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Oct. 10, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | The Woodlands, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,050      
Initial costs, buildings 4,524      
Land at cost 2,050      
Buildings at cost 4,524      
Total at cost 6,574      
Accumulated Depreciation 424      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Mar. 28, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | DeSoto, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 750      
Initial costs, buildings 4,234      
Land at cost 750      
Buildings at cost 4,234      
Total at cost 4,984      
Accumulated Depreciation 379      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired May 23, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 3,267      
Initial costs, buildings 4,801      
Land at cost 3,267      
Buildings at cost 4,801      
Total at cost 8,068      
Accumulated Depreciation 370      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Dec. 09, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Flagstaff, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 3,049      
Initial costs, buildings 22,464      
Land at cost 3,049      
Buildings at cost 22,464      
Total at cost 25,513      
Accumulated Depreciation 1,030      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Aug. 23, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Frisco, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,500      
Initial costs, buildings 3,863      
Additions subsequent to acquisition, Improvements 27      
Additions subsequent to acquisition, carrying costs (89)      
Land at cost 1,411      
Buildings at cost 3,890      
Total at cost 5,301      
Accumulated Depreciation 543      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jun. 13, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Garland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,643      
Initial costs, buildings 4,648      
Land at cost 2,643      
Buildings at cost 4,648      
Total at cost 7,291      
Accumulated Depreciation 368      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Nov. 15, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Goodyear Arizona        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,800      
Initial costs, buildings 4,713      
Land at cost 1,800      
Buildings at cost 4,713      
Total at cost 6,513      
Accumulated Depreciation 442      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Apr. 04, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Helotes, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,900      
Initial costs, buildings 5,115      
Land at cost 1,900      
Buildings at cost 5,115      
Total at cost 7,015      
Accumulated Depreciation 490      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Mar. 10, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Highlands Ranch, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 4,200      
Initial costs, buildings 4,779      
Land at cost 4,200      
Buildings at cost 4,779      
Total at cost 8,979      
Accumulated Depreciation 408      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Jul. 25, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Longmont, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,855      
Initial costs, buildings 4,181      
Land at cost 1,855      
Buildings at cost 4,181      
Total at cost 6,036      
Accumulated Depreciation 409      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Feb. 10, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Mandeville, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,800      
Initial costs, buildings 5,370      
Land at cost 2,800      
Buildings at cost 5,370      
Total at cost 8,170      
Accumulated Depreciation 425      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Oct. 28, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Marrero, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,658      
Initial costs, buildings 5,801      
Land at cost 1,658      
Buildings at cost 5,801      
Total at cost 7,459      
Accumulated Depreciation 508      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Jul. 15, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Plano, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 4,418      
Initial costs, buildings 2,492      
Land at cost 4,418      
Buildings at cost 2,492      
Total at cost 6,910      
Accumulated Depreciation 316      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Sep. 30, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,525      
Initial costs, buildings 4,253      
Land at cost 2,525      
Buildings at cost 4,253      
Total at cost 6,778      
Accumulated Depreciation 337      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Oct. 27, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Rosenberg, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,331      
Initial costs, buildings 4,505      
Land at cost 1,331      
Buildings at cost 4,505      
Total at cost 5,836      
Accumulated Depreciation $ 450      
Date of Construction 2016      
Date Acquired Jan. 15, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Columbus, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,726      
Land at cost 1,726      
Total at cost $ 1,726      
Date of Construction 2016      
Date Acquired Aug. 30, 2016      
Life on which depreciation in latest income statements is computed (Years) 0 years      
2016 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,047      
Initial costs, buildings 36,862      
Land at cost 4,047      
Buildings at cost 36,862      
Total at cost 40,909      
Accumulated Depreciation $ 3,225      
Date of Construction 2016      
Date Acquired Jul. 07, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Toledo, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,205      
Initial costs, buildings 17,740      
Land at cost 1,205      
Buildings at cost 17,740      
Total at cost 18,945      
Accumulated Depreciation $ 1,663      
Date of Construction 2016      
Date Acquired Apr. 01, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 [Member] | Viseu, Portugal [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,128      
Initial costs, buildings 29,228      
Additions subsequent to acquisition, Improvements 446      
Land at cost 2,574      
Buildings at cost 29,228      
Total at cost 31,802      
Accumulated Depreciation $ 85      
Date of Construction 2016      
Date Acquired Nov. 28, 2019      
Life on which depreciation in latest income statements is computed (Years) 37 years      
1989 [Member] | Bad Salzuflen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 6,905      
Initial costs, buildings 23,745      
Additions subsequent to acquisition, Improvements 345      
Land at cost 7,250      
Buildings at cost 23,745      
Total at cost 30,995      
Accumulated Depreciation 1,285      
Encumbrances $ 0      
Date of Construction 1989      
Date Acquired Nov. 30, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1989 [Member] | Richmond, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 1,307      
Initial costs, buildings 10,071      
Land at cost 1,307      
Buildings at cost 10,071      
Total at cost 11,378      
Accumulated Depreciation 109      
Encumbrances $ 0      
Date of Construction 1989      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1989 [Member] | Rochdale, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 654      
Initial costs, buildings 3,368      
Land at cost 654      
Buildings at cost 3,368      
Total at cost 4,022      
Accumulated Depreciation 33      
Encumbrances $ 0      
Date of Construction 1989      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1989 [Member] | Rochdale, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 67      
Initial costs, buildings 344      
Land at cost 67      
Buildings at cost 344      
Total at cost 411      
Accumulated Depreciation 3      
Encumbrances $ 0      
Date of Construction 1989      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1989 [Member] | Tulsa, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 1,128      
Initial costs, buildings 4,477      
Land at cost 1,128      
Buildings at cost 4,477      
Total at cost 5,605      
Accumulated Depreciation $ 44      
Date of Construction 1989      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2016 One [Member] | Bad Salzuflen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 6,905      
Initial costs, buildings 23,745      
Additions subsequent to acquisition, Improvements 345      
Land at cost 7,250      
Buildings at cost 23,745      
Total at cost 30,995      
Accumulated Depreciation 1,285      
Encumbrances $ 0      
Date of Construction 2016      
Date Acquired Nov. 30, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1960 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,501      
Initial costs, buildings 34,530      
Additions subsequent to acquisition, Improvements 8,477      
Additions subsequent to acquisition, carrying costs 16,589      
Land at cost 3,274      
Buildings at cost 59,823      
Total at cost 63,097      
Accumulated Depreciation 14,583      
Encumbrances $ 0      
Date of Construction 1960      
Date Acquired Aug. 10, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1960 [Member] | Meyersdale, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 390      
Initial costs, buildings 4,280      
Land at cost 390      
Buildings at cost 4,280      
Total at cost 4,670      
Encumbrances $ 0      
Date of Construction 1960      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1960 [Member] | Sherman Texas        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,493      
Initial costs, buildings 10,690      
Land at cost 4,493      
Buildings at cost 10,690      
Total at cost 15,183      
Accumulated Depreciation $ 2,934      
Date of Construction 1960      
Date Acquired Oct. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1973 [Member] | Bad Oeynhausen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,019      
Initial costs, buildings 2,795      
Additions subsequent to acquisition, Improvements 124      
Land at cost 1,143      
Buildings at cost 2,795      
Total at cost 3,938      
Accumulated Depreciation 163      
Encumbrances $ 0      
Date of Construction 1973      
Date Acquired Nov. 30, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1973 [Member] | San Diego, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 12,663      
Initial costs, buildings 52,431      
Land at cost 12,663      
Buildings at cost 52,431      
Total at cost 65,094      
Accumulated Depreciation 11,688      
Encumbrances $ 0      
Date of Construction 1973      
Date Acquired Feb. 09, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1973 [Member] | Big Spring Texas        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,655      
Initial costs, buildings 21,254      
Land at cost 1,655      
Buildings at cost 21,254      
Total at cost 22,909      
Accumulated Depreciation 453      
Encumbrances $ 0      
Date of Construction 1973      
Date Acquired Apr. 12, 2019      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1973 [Member] | Port Huron, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,531      
Initial costs, buildings 14,252      
Land at cost 2,531      
Buildings at cost 14,252      
Total at cost 16,783      
Accumulated Depreciation 1,947      
Encumbrances $ 0      
Date of Construction 1973      
Date Acquired Dec. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1973 [Member] | Odessa, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,535      
Initial costs, buildings 123,518      
Additions subsequent to acquisition, Improvements 1,961      
Land at cost 6,535      
Buildings at cost 125,479      
Total at cost 132,014      
Accumulated Depreciation 7,122      
Encumbrances $ 0      
Date of Construction 1973      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1973 [Member] | Ringwood, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,027      
Initial costs, buildings 18,679      
Additions subsequent to acquisition, Improvements 134      
Land at cost 4,161      
Buildings at cost 18,679      
Total at cost 22,840      
Accumulated Depreciation 321      
Encumbrances $ 0      
Date of Construction 1973      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 35 years      
2010 [Member] | Bad Oeynhausen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,019      
Initial costs, buildings 2,795      
Additions subsequent to acquisition, Improvements 124      
Land at cost 1,143      
Buildings at cost 2,795      
Total at cost 3,938      
Accumulated Depreciation 163      
Encumbrances $ 0      
Date of Construction 2010      
Date Acquired Nov. 30, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2010 [Member] | Brockton, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 18,328      
Initial costs, buildings 67,248      
Additions subsequent to acquisition, Improvements 4,937      
Land at cost 18,328      
Buildings at cost 72,185      
Total at cost 90,513      
Accumulated Depreciation 7,037      
Encumbrances $ 0      
Date of Construction 2010      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2010 [Member] | Sherman Texas        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,493      
Initial costs, buildings 10,690      
Land at cost 4,493      
Buildings at cost 10,690      
Total at cost 15,183      
Accumulated Depreciation $ 2,934      
Date of Construction 2010      
Date Acquired Oct. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1993 [Member] | Dormagen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,802      
Initial costs, buildings 5,737      
Additions subsequent to acquisition, Improvements 137      
Land at cost 1,939      
Buildings at cost 5,737      
Total at cost 7,676      
Accumulated Depreciation 203      
Encumbrances $ 0      
Date of Construction 1993      
Date Acquired Aug. 28, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1993 [Member] | San Bernardino, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,209      
Initial costs, buildings 37,498      
Land at cost 2,209      
Buildings at cost 37,498      
Total at cost 39,707      
Accumulated Depreciation $ 341      
Date of Construction 1993      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2006 [Member] | Dormagen, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,802      
Initial costs, buildings 5,737      
Additions subsequent to acquisition, Improvements 137      
Land at cost 1,939      
Buildings at cost 5,737      
Total at cost 7,676      
Accumulated Depreciation 203      
Encumbrances $ 0      
Date of Construction 2006      
Date Acquired Aug. 28, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2006 [Member] | Dallas, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 1,000      
Initial costs, buildings 13,589      
Additions subsequent to acquisition, carrying costs 368      
Land at cost 1,421      
Buildings at cost 13,536      
Total at cost 14,957      
Accumulated Depreciation 4,512      
Encumbrances $ 0      
Date of Construction 2006      
Date Acquired Sep. 05, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2006 [Member] | Bloomington, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,392      
Initial costs, buildings 28,212      
Additions subsequent to acquisition, Improvements 5,016      
Additions subsequent to acquisition, carrying costs 408      
Land at cost 2,392      
Buildings at cost 33,636      
Total at cost 36,028      
Accumulated Depreciation 10,877      
Encumbrances $ 0      
Date of Construction 2006      
Date Acquired Aug. 08, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2006 [Member] | Petersburg, VA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,302      
Initial costs, buildings 9,121      
Land at cost 1,302      
Buildings at cost 9,121      
Total at cost 10,423      
Accumulated Depreciation 2,622      
Encumbrances $ 0      
Date of Construction 2006      
Date Acquired Jul. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1886 [Member] | Grefath, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,120      
Initial costs, buildings 3,076      
Additions subsequent to acquisition, Improvements 99      
Land at cost 1,219      
Buildings at cost 3,076      
Total at cost 4,295      
Accumulated Depreciation 111      
Encumbrances $ 0      
Date of Construction 1886      
Date Acquired Aug. 28, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1951 [Member] | Remscheid, Germany [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,007      
Initial costs, buildings 2,567      
Additions subsequent to acquisition, Improvements 58      
Land at cost 1,065      
Buildings at cost 2,567      
Total at cost 3,632      
Accumulated Depreciation 91      
Encumbrances $ 0      
Date of Construction 1951      
Date Acquired Aug. 28, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,345      
Initial costs, buildings 3,678      
Land at cost 1,345      
Buildings at cost 3,678      
Total at cost 5,023      
Accumulated Depreciation 506      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jun. 20, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Allen, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,550      
Initial costs, buildings 414      
Land at cost 1,550      
Buildings at cost 414      
Total at cost 1,964      
Accumulated Depreciation 465      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jul. 14, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Alvin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 105      
Initial costs, buildings 4,087      
Land at cost 105      
Buildings at cost 4,087      
Total at cost 4,192      
Accumulated Depreciation 564      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Mar. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Austin, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,140      
Initial costs, buildings 1,693      
Land at cost 1,140      
Buildings at cost 1,693      
Total at cost 2,833      
Accumulated Depreciation 483      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired May 29, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Broomfield, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 825      
Initial costs, buildings 3,895      
Land at cost 825      
Buildings at cost 3,895      
Total at cost 4,720      
Accumulated Depreciation 536      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jul. 03, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Cedar Hill. TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,122      
Initial costs, buildings 3,644      
Land at cost 1,122      
Buildings at cost 3,644      
Total at cost 4,766      
Accumulated Depreciation 501      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jun. 23, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Spring, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,310      
Initial costs, buildings 3,639      
Land at cost 1,310      
Buildings at cost 3,639      
Total at cost 4,949      
Accumulated Depreciation 500      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jul. 15, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Commerce City, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 707      
Initial costs, buildings 4,248      
Land at cost 707      
Buildings at cost 4,248      
Total at cost 4,955      
Accumulated Depreciation 540      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Dec. 11, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 351      
Initial costs, buildings 3,952      
Land at cost 351      
Buildings at cost 3,952      
Total at cost 4,303      
Accumulated Depreciation 567      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jan. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2014 [Member] | Dulles, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,076      
Initial costs, buildings 3,784      
Land at cost 1,076      
Buildings at cost 3,784      
Total at cost 4,860      
Accumulated Depreciation 504      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Sep. 12, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Firestone, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 495      
Initial costs, buildings 3,963      
Land at cost 495      
Buildings at cost 3,963      
Total at cost 4,458      
Accumulated Depreciation 553      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jun. 06, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Fountain, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,508      
Initial costs, buildings 4,131      
Land at cost 1,508      
Buildings at cost 4,131      
Total at cost 5,639      
Accumulated Depreciation 559      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jul. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Pearland, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,075      
Initial costs, buildings 3,577      
Land at cost 1,075      
Buildings at cost 3,577      
Total at cost 4,652      
Accumulated Depreciation 477      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Sep. 08, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Colorado Springs, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 600      
Initial costs, buildings 4,231      
Land at cost 600      
Buildings at cost 4,231      
Total at cost 4,831      
Accumulated Depreciation 591      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Jun. 05, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Altoona, WI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, buildings $ 29,062      
Buildings at cost 29,062      
Total at cost 29,062      
Accumulated Depreciation 3,875      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Aug. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Ogden, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,759      
Initial costs, buildings 16,414      
Land at cost 1,759      
Buildings at cost 16,414      
Total at cost 18,173      
Accumulated Depreciation 2,382      
Encumbrances $ 0      
Date of Construction 2014      
Date Acquired Mar. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Sienna, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,000      
Initial costs, buildings 3,591      
Land at cost 1,000      
Buildings at cost 3,591      
Total at cost 4,591      
Accumulated Depreciation $ 479      
Date of Construction 2014      
Date Acquired Aug. 20, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2014 [Member] | Thornton, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,350      
Initial costs, buildings 4,259      
Land at cost 1,350      
Buildings at cost 4,259      
Total at cost 5,609      
Accumulated Depreciation $ 568      
Date of Construction 2014      
Date Acquired Aug. 29, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Aurora, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,989      
Initial costs, buildings 4,812      
Land at cost 2,989      
Buildings at cost 4,812      
Total at cost 7,801      
Accumulated Depreciation 511      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Sep. 17, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Ft. Worth, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,782      
Initial costs, buildings 4,392      
Land at cost 2,782      
Buildings at cost 4,392      
Total at cost 7,174      
Accumulated Depreciation 522      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Mar. 27, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Glendale, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,248      
Initial costs, buildings 4,046      
Land at cost 1,248      
Buildings at cost 4,046      
Total at cost 5,294      
Accumulated Depreciation 464      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Jun. 05, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Chandler, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 3,732      
Initial costs, buildings 4,783      
Land at cost 3,732      
Buildings at cost 4,783      
Total at cost 8,515      
Accumulated Depreciation 558      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Apr. 24, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Carrollton, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 729      
Initial costs, buildings 34,342      
Additions subsequent to acquisition, Improvements 222      
Land at cost 729      
Buildings at cost 34,564      
Total at cost 35,293      
Accumulated Depreciation 3,817      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Jul. 17, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Katy, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,245      
Initial costs, buildings 3,873      
Land at cost 2,245      
Buildings at cost 3,873      
Total at cost 6,118      
Accumulated Depreciation 403      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Oct. 21, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Conroe, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,338      
Initial costs, buildings 3,712      
Land at cost 1,338      
Buildings at cost 3,712      
Total at cost 5,050      
Accumulated Depreciation 410      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Jul. 29, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Converse, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 750      
Initial costs, buildings 4,423      
Land at cost 750      
Buildings at cost 4,423      
Total at cost 5,173      
Accumulated Depreciation 525      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Apr. 10, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Denver, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,314      
Initial costs, buildings 4,276      
Land at cost 1,314      
Buildings at cost 4,276      
Total at cost 5,590      
Accumulated Depreciation 490      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Jun. 08, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Dorchester, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 14,428      
Initial costs, buildings 219,575      
Additions subsequent to acquisition, Improvements 6,638      
Land at cost 14,428      
Buildings at cost 226,213      
Total at cost 240,641      
Accumulated Depreciation 6,885      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Oct. 15, 2018      
Life on which depreciation in latest income statements is computed (Years) 42 years      
2015 [Member] | Gilbert, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,517      
Initial costs, buildings 4,661      
Land at cost 1,517      
Buildings at cost 4,661      
Total at cost 6,178      
Accumulated Depreciation 515      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Jul. 22, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Highland Village, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 3,501      
Initial costs, buildings 1,551      
Land at cost 3,501      
Buildings at cost 1,551      
Total at cost 5,052      
Accumulated Depreciation 344      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Sep. 22, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Hoover, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, buildings $ 7,581      
Buildings at cost 7,581      
Total at cost 7,581      
Accumulated Depreciation 1,033      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired May 01, 2015      
Life on which depreciation in latest income statements is computed (Years) 34 years      
2015 [Member] | Lehi, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,403      
Initial costs, buildings 29,950      
Additions subsequent to acquisition, Improvements 601      
Additions subsequent to acquisition, carrying costs (35)      
Land at cost 13,368      
Buildings at cost 30,551      
Total at cost 43,919      
Accumulated Depreciation 2,000      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 45 years      
2015 [Member] | McKinney, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 2,775      
Initial costs, buildings 4,060      
Land at cost 2,775      
Buildings at cost 4,060      
Total at cost 6,835      
Accumulated Depreciation 603      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Jul. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 30 years      
2015 [Member] | Parker, CO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,300      
Initial costs, buildings 4,448      
Land at cost 1,300      
Buildings at cost 4,448      
Total at cost 5,748      
Accumulated Depreciation 463      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Nov. 06, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,423      
Initial costs, buildings 3,772      
Land at cost 1,423      
Buildings at cost 3,772      
Total at cost 5,195      
Accumulated Depreciation $ 456      
Date of Construction 2015      
Date Acquired Feb. 18, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 [Member] | Taunton, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,428      
Initial costs, buildings 73,228      
Additions subsequent to acquisition, Improvements 6,852      
Land at cost 4,428      
Buildings at cost 80,080      
Total at cost 84,508      
Accumulated Depreciation $ 6,446      
Date of Construction 2015      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2015 [Member] | League City, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,356      
Initial costs, buildings 3,901      
Land at cost 1,356      
Buildings at cost 3,901      
Total at cost 5,257      
Accumulated Depreciation $ 439      
Date of Construction 2015      
Date Acquired Jun. 19, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1970 [Member] | Ayer, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 9,048      
Initial costs, buildings 77,913      
Additions subsequent to acquisition, Improvements 2,299      
Land at cost 9,048      
Buildings at cost 80,212      
Total at cost 89,260      
Accumulated Depreciation 2,768      
Encumbrances $ 0      
Date of Construction 1970      
Date Acquired Jun. 27, 2018      
Life on which depreciation in latest income statements is computed (Years) 47 years      
1970 [Member] | Rockledge, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,919      
Initial costs, buildings 23,282      
Additions subsequent to acquisition, Improvements 5,512      
Land at cost 13,919      
Buildings at cost 28,794      
Total at cost 42,713      
Accumulated Depreciation 2,404      
Encumbrances $ 0      
Date of Construction 1970      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 42 years      
2013 [Member] | Ayer, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 9,048      
Initial costs, buildings 77,913      
Additions subsequent to acquisition, Improvements 2,299      
Land at cost 9,048      
Buildings at cost 80,212      
Total at cost 89,260      
Accumulated Depreciation 2,768      
Encumbrances $ 0      
Date of Construction 2013      
Date Acquired Jun. 27, 2018      
Life on which depreciation in latest income statements is computed (Years) 47 years      
2013 [Member] | Hausman T X        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,500      
Initial costs, buildings 8,957      
Land at cost 1,500      
Buildings at cost 8,957      
Total at cost 10,457      
Accumulated Depreciation 1,509      
Encumbrances $ 0      
Date of Construction 2013      
Date Acquired Mar. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2013 [Member] | Lafayette, IN [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 800      
Initial costs, buildings 14,968      
Additions subsequent to acquisition, Improvements (25)      
Land at cost 800      
Buildings at cost 14,943      
Total at cost 15,743      
Accumulated Depreciation 2,572      
Encumbrances $ 0      
Date of Construction 2013      
Date Acquired Feb. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2013 [Member] | Lehi, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 1,241      
Initial costs, buildings 3,491      
Land at cost 1,241      
Buildings at cost 3,491      
Total at cost 4,732      
Accumulated Depreciation 528      
Encumbrances $ 0      
Date of Construction 2013      
Date Acquired Dec. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2013 [Member] | Post Falls, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 417      
Initial costs, buildings 12,175      
Additions subsequent to acquisition, Improvements 1,905      
Land at cost 767      
Buildings at cost 13,730      
Total at cost 14,497      
Accumulated Depreciation 2,069      
Encumbrances $ 0      
Date of Construction 2013      
Date Acquired Dec. 31, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2013 [Member] | Spartanburg, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,135      
Initial costs, buildings 15,717      
Land at cost 1,135      
Buildings at cost 15,717      
Total at cost 16,852      
Accumulated Depreciation $ 2,505      
Date of Construction 2013      
Date Acquired Aug. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1984 [Member] | Bennettsville, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 794      
Initial costs, buildings 15,773      
Land at cost 794      
Buildings at cost 15,773      
Total at cost 16,567      
Accumulated Depreciation 4,525      
Encumbrances $ 0      
Date of Construction 1984      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 42 years      
1984 [Member] | Hope, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,651      
Initial costs, buildings 3,359      
Additions subsequent to acquisition, Improvements 2,274      
Land at cost 1,651      
Buildings at cost 5,633      
Total at cost 7,284      
Accumulated Depreciation 418      
Encumbrances $ 0      
Date of Construction 1984      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1984 [Member] | Olympia, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 7,220      
Initial costs, buildings 89,348      
Additions subsequent to acquisition, Improvements 15,930      
Land at cost 7,220      
Buildings at cost 105,278      
Total at cost 112,498      
Accumulated Depreciation 8,935      
Encumbrances $ 0      
Date of Construction 1984      
Date Acquired Jul. 22, 2016      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1984 [Member] | Wantirna, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 25,419      
Initial costs, buildings 209,087      
Additions subsequent to acquisition, Improvements 958      
Land at cost 26,377      
Buildings at cost 209,087      
Total at cost 235,464      
Accumulated Depreciation $ 3,095      
Date of Construction 1984      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1980 [Member] | Blue Springs, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,347      
Initial costs, buildings 23,494      
Land at cost 4,347      
Buildings at cost 23,494      
Total at cost 27,841      
Accumulated Depreciation 3,034      
Encumbrances $ 0      
Date of Construction 1980      
Date Acquired Feb. 13, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1980 [Member] | Hill County, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,120      
Initial costs, buildings 17,882      
Land at cost 1,120      
Buildings at cost 17,882      
Total at cost 19,002      
Accumulated Depreciation 11,089      
Encumbrances $ 0      
Date of Construction 1980      
Date Acquired Sep. 17, 2010      
Life on which depreciation in latest income statements is computed (Years) 15 years      
1980 [Member] | Poplar Bluff, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,659      
Initial costs, buildings 38,693      
Additions subsequent to acquisition, carrying costs 1      
Land at cost 2,659      
Buildings at cost 38,694      
Total at cost 41,353      
Accumulated Depreciation 11,309      
Encumbrances $ 0      
Date of Construction 1980      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1980 [Member] | Sharon P A        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,179      
Initial costs, buildings 9,066      
Additions subsequent to acquisition, Improvements 6,435      
Land at cost 6,179      
Buildings at cost 15,501      
Total at cost 21,680      
Accumulated Depreciation $ 1,826      
Date of Construction 1980      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1980 [Member] | West Valley City, UT [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,516      
Initial costs, buildings 58,314      
Additions subsequent to acquisition, Improvements 7,150      
Additions subsequent to acquisition, carrying costs (114)      
Land at cost 5,402      
Buildings at cost 65,464      
Total at cost 70,866      
Accumulated Depreciation $ 17,332      
Date of Construction 1980      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1982 [Member] | Bossier City, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 900      
Initial costs, buildings 17,818      
Additions subsequent to acquisition, Improvements 800      
Land at cost 900      
Buildings at cost 18,618      
Total at cost 19,518      
Accumulated Depreciation 5,255      
Encumbrances $ 0      
Date of Construction 1982      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1982 [Member] | Cheraw, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 657      
Initial costs, buildings 19,576      
Land at cost 657      
Buildings at cost 19,576      
Total at cost 20,233      
Accumulated Depreciation 5,616      
Encumbrances $ 0      
Date of Construction 1982      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 42 years      
1982 [Member] | Caterham, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 10,596      
Initial costs, buildings 21,707      
Additions subsequent to acquisition, Improvements 391      
Land at cost 10,987      
Buildings at cost 21,707      
Total at cost 32,694      
Accumulated Depreciation 192      
Encumbrances $ 0      
Date of Construction 1982      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1982 [Member] | Garden Grove, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,502      
Initial costs, buildings 10,748      
Additions subsequent to acquisition, carrying costs 51      
Land at cost 5,502      
Buildings at cost 10,799      
Total at cost 16,301      
Accumulated Depreciation 3,006      
Encumbrances $ 0      
Date of Construction 1982      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1982 [Member] | Haverhill Massachusetts        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,651      
Initial costs, buildings 105,848      
Additions subsequent to acquisition, Improvements 3,384      
Land at cost 5,651      
Buildings at cost 109,232      
Total at cost 114,883      
Accumulated Depreciation 3,794      
Encumbrances $ 0      
Date of Construction 1982      
Date Acquired Aug. 31, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1982 [Member] | Warren, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,387      
Initial costs, buildings 47,586      
Additions subsequent to acquisition, Improvements 9,894      
Land at cost 5,387      
Buildings at cost 57,480      
Total at cost 62,867      
Accumulated Depreciation $ 4,186      
Date of Construction 1982      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1917 [Member] | Brighton, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 18,540      
Initial costs, buildings 146,491      
Additions subsequent to acquisition, Improvements 39,036      
Land at cost 18,540      
Buildings at cost 185,527      
Total at cost 204,067      
Accumulated Depreciation 12,301      
Encumbrances $ 0      
Date of Construction 1917      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1965 [Member] | Brockton, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 18,328      
Initial costs, buildings 67,248      
Additions subsequent to acquisition, Improvements 4,937      
Land at cost 18,328      
Buildings at cost 72,185      
Total at cost 90,513      
Accumulated Depreciation 7,037      
Encumbrances $ 0      
Date of Construction 1965      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1965 [Member] | Perth, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 102,488      
Initial costs, buildings 36,399      
Additions subsequent to acquisition, Improvements 213      
Land at cost 102,701      
Buildings at cost 36,399      
Total at cost 139,100      
Accumulated Depreciation 723      
Encumbrances $ 0      
Date of Construction 1965      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1992 [Member] | Bowling Green, KY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 3,486      
Initial costs, buildings 56,296      
Land at cost 3,486      
Buildings at cost 56,296      
Total at cost 59,782      
Accumulated Depreciation 523      
Encumbrances $ 0      
Date of Construction 1992      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1992 [Member] | Wichita, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,019      
Initial costs, buildings 18,373      
Additions subsequent to acquisition, carrying costs 1      
Land at cost 1,019      
Buildings at cost 18,374      
Total at cost 19,393      
Accumulated Depreciation $ 5,396      
Date of Construction 1992      
Date Acquired Apr. 04, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1979 [Member] | Bundoora, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,432      
Initial costs, buildings 61,961      
Additions subsequent to acquisition, Improvements 276      
Land at cost 6,708      
Buildings at cost 61,961      
Total at cost 68,669      
Accumulated Depreciation 995      
Encumbrances $ 0      
Date of Construction 1979      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 37 years      
1979 [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,396      
Initial costs, buildings 26,521      
Additions subsequent to acquisition, Improvements 12,253      
Land at cost 2,396      
Buildings at cost 38,774      
Total at cost 41,170      
Accumulated Depreciation 1,583      
Encumbrances $ 0      
Date of Construction 1979      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 42 years      
1979 [Member] | San Dimas, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Medical Office Building      
Initial costs, land $ 1,915      
Initial costs, buildings 5,085      
Additions subsequent to acquisition, carrying costs 18      
Land at cost 1,915      
Buildings at cost 5,103      
Total at cost 7,018      
Accumulated Depreciation $ 1,417      
Date of Construction 1979      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1979 [Member] | Sunnybank, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,819      
Initial costs, buildings 44,225      
Additions subsequent to acquisition, Improvements 346      
Land at cost 6,165      
Buildings at cost 44,225      
Total at cost 50,390      
Accumulated Depreciation $ 779      
Date of Construction 1979      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 34 years      
2012 [Member] | Casper, WY [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 1,888      
Land at cost 1,888      
Total at cost 1,888      
Accumulated Depreciation 0      
Encumbrances $ 0      
Date of Construction 2012      
Date Acquired Feb. 29, 2012      
Life on which depreciation in latest income statements is computed (Years) 0 years      
2012 [Member] | Fall River, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,526      
Initial costs, buildings 82,358      
Additions subsequent to acquisition, Improvements 24,463      
Land at cost 3,526      
Buildings at cost 106,821      
Total at cost 110,347      
Accumulated Depreciation 7,843      
Encumbrances $ 0      
Date of Construction 2012      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2012 [Member] | Florence, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 900      
Initial costs, buildings 28,462      
Additions subsequent to acquisition, Improvements 105      
Land at cost 900      
Buildings at cost 28,567      
Total at cost 29,467      
Accumulated Depreciation 5,531      
Encumbrances $ 0      
Date of Construction 2012      
Date Acquired Feb. 07, 2012      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2012 [Member] | Mount Pleasant, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 597      
Initial costs, buildings 2,198      
Land at cost 597      
Buildings at cost 2,198      
Total at cost 2,795      
Accumulated Depreciation 21      
Encumbrances $ 0      
Date of Construction 2012      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2012 [Member] | Overlook, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,452      
Initial costs, buildings 9,666      
Additions subsequent to acquisition, Improvements 7      
Land at cost 2,452      
Buildings at cost 9,673      
Total at cost 12,125      
Accumulated Depreciation 1,654      
Encumbrances $ 0      
Date of Construction 2012      
Date Acquired Feb. 01, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2012 [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,248      
Initial costs, buildings 5,880      
Land at cost 2,248      
Buildings at cost 5,880      
Total at cost 8,128      
Accumulated Depreciation $ 1,052      
Date of Construction 2012      
Date Acquired Oct. 02, 2012      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2007 [Member] | Campbelltown, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,019      
Initial costs, buildings 52,932      
Additions subsequent to acquisition, Improvements 50      
Land at cost 1,069      
Buildings at cost 52,932      
Total at cost 54,001      
Accumulated Depreciation 774      
Encumbrances $ 0      
Date of Construction 2007      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2007 [Member] | Mesa, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,534      
Initial costs, buildings 100,042      
Additions subsequent to acquisition, Improvements 1,885      
Land at cost 6,534      
Buildings at cost 101,927      
Total at cost 108,461      
Accumulated Depreciation 16,494      
Encumbrances $ 0      
Date of Construction 2007      
Date Acquired Sep. 26, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2007 [Member] | Northland, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 834      
Initial costs, buildings 17,182      
Land at cost 834      
Buildings at cost 17,182      
Total at cost 18,016      
Accumulated Depreciation 3,830      
Encumbrances $ 0      
Date of Construction 2007      
Date Acquired Feb. 14, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 One [Member] | Chandler, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Freestanding ER      
Initial costs, land $ 750      
Initial costs, buildings 3,853      
Land at cost 750      
Buildings at cost 3,853      
Total at cost 4,603      
Accumulated Depreciation 409      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired Oct. 07, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2015 One [Member] | Hoover, AL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Medical Office Building      
Initial costs, buildings $ 1,034      
Additions subsequent to acquisition, Improvements 296      
Buildings at cost 1,330      
Total at cost 1,330      
Accumulated Depreciation 148      
Encumbrances $ 0      
Date of Construction 2015      
Date Acquired May 01, 2015      
Life on which depreciation in latest income statements is computed (Years) 34 years      
2004 [Member] | Webster, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 663      
Initial costs, buildings 33,751      
Land at cost 663      
Buildings at cost 33,751      
Total at cost 34,414      
Accumulated Depreciation 7,594      
Encumbrances $ 0      
Date of Construction 2004      
Date Acquired Dec. 21, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2004 [Member] | Camden, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, buildings $ 22,739      
Buildings at cost 22,739      
Total at cost 22,739      
Accumulated Depreciation 2,138      
Encumbrances $ 0      
Date of Construction 2004      
Date Acquired Oct. 30, 2015      
Life on which depreciation in latest income statements is computed (Years) 39 years      
2004 [Member] | Martin's Ferry, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,380      
Initial costs, buildings 4,620      
Land at cost 1,380      
Buildings at cost 4,620      
Total at cost 6,000      
Encumbrances $ 0      
Date of Construction 2004      
Date Acquired Jun. 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 8 years      
2004 [Member] | Odessa, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,535      
Initial costs, buildings 123,518      
Additions subsequent to acquisition, Improvements 1,961      
Land at cost 6,535      
Buildings at cost 125,479      
Total at cost 132,014      
Accumulated Depreciation 7,122      
Encumbrances $ 0      
Date of Construction 2004      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1956 [Member] | Detroit, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 1,220      
Initial costs, buildings 8,687      
Additions subsequent to acquisition, carrying costs (364)      
Land at cost 1,220      
Buildings at cost 8,323      
Total at cost 9,543      
Accumulated Depreciation 2,480      
Encumbrances $ 0      
Date of Construction 1956      
Date Acquired May 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1953 [Member] | Dorchester, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 14,428      
Initial costs, buildings 219,575      
Additions subsequent to acquisition, Improvements 6,638      
Land at cost 14,428      
Buildings at cost 226,213      
Total at cost 240,641      
Accumulated Depreciation 6,885      
Encumbrances $ 0      
Date of Construction 1953      
Date Acquired Oct. 15, 2018      
Life on which depreciation in latest income statements is computed (Years) 42 years      
1953 [Member] | Port Huron, MI [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,531      
Initial costs, buildings 14,252      
Land at cost 2,531      
Buildings at cost 14,252      
Total at cost 16,783      
Accumulated Depreciation 1,947      
Encumbrances $ 0      
Date of Construction 1953      
Date Acquired Dec. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1930 [Member] | Easton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,898      
Initial costs, buildings 40,245      
Additions subsequent to acquisition, Improvements 5,511      
Land at cost 13,898      
Buildings at cost 45,756      
Total at cost 59,654      
Accumulated Depreciation 2,948      
Encumbrances $ 0      
Date of Construction 1930      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2005 [Member] | Easton, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,898      
Initial costs, buildings 40,245      
Additions subsequent to acquisition, Improvements 5,511      
Land at cost 13,898      
Buildings at cost 45,756      
Total at cost 59,654      
Accumulated Depreciation 2,948      
Encumbrances $ 0      
Date of Construction 2005      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2005 [Member] | Gilbert, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 150      
Initial costs, buildings 10,449      
Land at cost 150      
Buildings at cost 10,449      
Total at cost 10,599      
Accumulated Depreciation 3,499      
Encumbrances $ 0      
Date of Construction 2005      
Date Acquired Jan. 04, 2011      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2005 [Member] | Haverhill Massachusetts        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,651      
Initial costs, buildings 105,848      
Additions subsequent to acquisition, Improvements 3,384      
Land at cost 5,651      
Buildings at cost 109,232      
Total at cost 114,883      
Accumulated Depreciation 3,794      
Encumbrances $ 0      
Date of Construction 2005      
Date Acquired Aug. 31, 2018      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2005 [Member] | Port Arthur, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 12,972      
Initial costs, buildings 78,051      
Additions subsequent to acquisition, Improvements 3,384      
Land at cost 12,972      
Buildings at cost 81,435      
Total at cost 94,407      
Accumulated Depreciation 12,241      
Encumbrances $ 0      
Date of Construction 2005      
Date Acquired Sep. 26, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2005 [Member] | Tomball, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 1,299      
Initial costs, buildings 23,982      
Land at cost 1,299      
Buildings at cost 23,982      
Total at cost 25,281      
Accumulated Depreciation $ 5,396      
Date of Construction 2005      
Date Acquired Dec. 21, 2010      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1939 [Member] | Fairmont, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,000      
Initial costs, buildings 6,072      
Additions subsequent to acquisition, Improvements 5,278      
Land at cost 1,277      
Buildings at cost 11,073      
Total at cost 12,350      
Accumulated Depreciation 2,044      
Encumbrances $ 0      
Date of Construction 1939      
Date Acquired Sep. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1950 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 28,687      
Initial costs, buildings 104,028      
Additions subsequent to acquisition, Improvements 17,462      
Land at cost 28,687      
Buildings at cost 121,490      
Total at cost 150,177      
Accumulated Depreciation 3,695      
Encumbrances $ 0      
Date of Construction 1950      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1950 [Member] | Fall River, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,526      
Initial costs, buildings 82,358      
Additions subsequent to acquisition, Improvements 24,463      
Land at cost 3,526      
Buildings at cost 106,821      
Total at cost 110,347      
Accumulated Depreciation 7,843      
Encumbrances $ 0      
Date of Construction 1950      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1950 [Member] | Methuen, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 23,809      
Initial costs, buildings 89,505      
Additions subsequent to acquisition, Improvements 9,184      
Land at cost 23,809      
Buildings at cost 98,689      
Total at cost 122,498      
Accumulated Depreciation 8,500      
Encumbrances $ 0      
Date of Construction 1950      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1950 [Member] | Ottumwa, IA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,377      
Initial costs, buildings 48,697      
Land at cost 2,377      
Buildings at cost 48,697      
Total at cost 51,074      
Encumbrances $ 0      
Date of Construction 1950      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1950 [Member] | Rockledge, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,919      
Initial costs, buildings 23,282      
Additions subsequent to acquisition, Improvements 5,512      
Land at cost 13,919      
Buildings at cost 28,794      
Total at cost 42,713      
Accumulated Depreciation 2,404      
Encumbrances $ 0      
Date of Construction 1950      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 42 years      
1950 [Member] | Sharon P A        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,179      
Initial costs, buildings 9,066      
Additions subsequent to acquisition, Improvements 6,435      
Land at cost 6,179      
Buildings at cost 15,501      
Total at cost 21,680      
Accumulated Depreciation $ 1,826      
Date of Construction 1950      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1976 [Member] | Dodge City, KS        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,124      
Initial costs, buildings 52,705      
Land at cost 1,124      
Buildings at cost 52,705      
Total at cost 53,829      
Encumbrances $ 0      
Date of Construction 1976      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1976 [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 12,695      
Initial costs, buildings 73,773      
Additions subsequent to acquisition, Improvements 4,978      
Land at cost 12,695      
Buildings at cost 78,751      
Total at cost 91,446      
Accumulated Depreciation 4,580      
Encumbrances $ 0      
Date of Construction 1976      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 43 years      
1972 [Member] | Fairmont, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,000      
Initial costs, buildings 6,072      
Additions subsequent to acquisition, Improvements 5,278      
Land at cost 1,277      
Buildings at cost 11,073      
Total at cost 12,350      
Accumulated Depreciation 2,044      
Encumbrances $ 0      
Date of Construction 1972      
Date Acquired Sep. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1972 [Member] | Glen Waverly, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 29,739      
Initial costs, buildings 22,976      
Additions subsequent to acquisition, Improvements 807      
Land at cost 30,546      
Buildings at cost 22,976      
Total at cost 53,522      
Accumulated Depreciation 478      
Encumbrances $ 0      
Date of Construction 1972      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 32 years      
1972 [Member] | San Dimas, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,160      
Initial costs, buildings 6,839      
Additions subsequent to acquisition, carrying costs 34      
Land at cost 6,160      
Buildings at cost 6,873      
Total at cost 13,033      
Accumulated Depreciation $ 1,907      
Date of Construction 1972      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | Fairmont, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,000      
Initial costs, buildings 6,072      
Additions subsequent to acquisition, Improvements 5,278      
Land at cost 1,277      
Buildings at cost 11,073      
Total at cost 12,350      
Accumulated Depreciation 2,044      
Encumbrances $ 0      
Date of Construction 1985      
Date Acquired Sep. 19, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | Fort Lauderdale, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 3,499      
Initial costs, buildings 21,939      
Additions subsequent to acquisition, carrying costs 1      
Land at cost 3,499      
Buildings at cost 21,940      
Total at cost 25,439      
Accumulated Depreciation 6,412      
Encumbrances $ 0      
Date of Construction 1985      
Date Acquired Apr. 22, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | Hot Springs, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 7,100      
Initial costs, buildings 59,432      
Additions subsequent to acquisition, Improvements 21,221      
Land at cost 7,100      
Buildings at cost 80,653      
Total at cost 87,753      
Accumulated Depreciation 8,904      
Encumbrances $ 0      
Date of Construction 1985      
Date Acquired Aug. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | Lawton, OK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,944      
Initial costs, buildings 63,031      
Land at cost 3,944      
Buildings at cost 63,031      
Total at cost 66,975      
Encumbrances $ 0      
Date of Construction 1985      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | St. Albans Park, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,097      
Initial costs, buildings 21,421      
Additions subsequent to acquisition, Improvements 544      
Land at cost 2,641      
Buildings at cost 21,421      
Total at cost 24,062      
Accumulated Depreciation $ 339      
Date of Construction 1985      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1985 [Member] | Strathpine, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,538      
Initial costs, buildings 35,542      
Additions subsequent to acquisition, Improvements 301      
Land at cost 2,839      
Buildings at cost 35,542      
Total at cost 38,381      
Accumulated Depreciation $ 533      
Date of Construction 1985      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1982 One [Member] | Garden Grove, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Medical Office Building      
Initial costs, land $ 862      
Initial costs, buildings 7,888      
Additions subsequent to acquisition, carrying costs 28      
Land at cost 862      
Buildings at cost 7,916      
Total at cost 8,778      
Accumulated Depreciation 2,198      
Encumbrances $ 0      
Date of Construction 1982      
Date Acquired Nov. 25, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1990 [Member] | Gloucester United Kingdom        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,770      
Initial costs, buildings 63,907      
Additions subsequent to acquisition, Improvements 1,041      
Land at cost 5,811      
Buildings at cost 63,907      
Total at cost 69,718      
Accumulated Depreciation 564      
Encumbrances $ 0      
Date of Construction 1990      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Nineteen Eighty Six | Halsall United Kingdom        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,493      
Initial costs, buildings 32,446      
Additions subsequent to acquisition, Improvements 605      
Land at cost 2,098      
Buildings at cost 32,446      
Total at cost 34,544      
Accumulated Depreciation 287      
Encumbrances $ 0      
Date of Construction 1986      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Nineteen Eighty Six | Rowley, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,439      
Initial costs, buildings 19,057      
Additions subsequent to acquisition, Improvements 590      
Land at cost 3,029      
Buildings at cost 19,057      
Total at cost 22,086      
Accumulated Depreciation $ 174      
Date of Construction 1986      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1922 [Member] | Warren, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 2,417      
Initial costs, buildings 15,857      
Additions subsequent to acquisition, Improvements 1,384      
Land at cost 2,417      
Buildings at cost 17,241      
Total at cost 19,658      
Accumulated Depreciation 1,440      
Encumbrances $ 0      
Date of Construction 1922      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 46 years      
1922 [Member] | Lewiston, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,389      
Initial costs, buildings 75,435      
Land at cost 5,389      
Buildings at cost 75,435      
Total at cost 80,824      
Accumulated Depreciation 6,802      
Encumbrances $ 0      
Date of Construction 1922      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Nineteen Ninety Nine | Hartsville South Carolina        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,050      
Initial costs, buildings 43,970      
Land at cost 2,050      
Buildings at cost 43,970      
Total at cost 46,020      
Accumulated Depreciation 5,263      
Encumbrances $ 0      
Date of Construction 1999      
Date Acquired Aug. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 34 years      
Nineteen Ninety Nine | Reading, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 35,747      
Initial costs, buildings 48,080      
Additions subsequent to acquisition, Improvements 486      
Land at cost 36,233      
Buildings at cost 48,080      
Total at cost 84,313      
Accumulated Depreciation 419      
Encumbrances $ 0      
Date of Construction 1990      
Date Acquired Aug. 16, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2000 [Member] | Warren, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Rehabilitation hospital      
Initial costs, land $ 2,417      
Initial costs, buildings 15,857      
Additions subsequent to acquisition, Improvements 1,384      
Land at cost 2,417      
Buildings at cost 17,241      
Total at cost 19,658      
Accumulated Depreciation 1,440      
Encumbrances $ 0      
Date of Construction 2000      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 46 years      
2000 [Member] | Kingswood, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 23,473      
Initial costs, buildings 77,806      
Additions subsequent to acquisition, Improvements 453      
Land at cost 23,926      
Buildings at cost 77,806      
Total at cost 101,732      
Accumulated Depreciation 1,155      
Encumbrances $ 0      
Date of Construction 2000      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2000 [Member] | Montclair, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 7,900      
Initial costs, buildings 99,640      
Additions subsequent to acquisition, Improvements 577      
Land at cost 8,477      
Buildings at cost 99,640      
Total at cost 108,117      
Accumulated Depreciation 14,741      
Encumbrances $ 0      
Date of Construction 2000      
Date Acquired Apr. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Nineteen Twenty Six | Hastings P A        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 603      
Initial costs, buildings 8,834      
Land at cost 603      
Buildings at cost 8,834      
Total at cost 9,437      
Encumbrances $ 0      
Date of Construction 1924      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
Nineteen Twenty Six | Norwood, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 7,073      
Initial costs, buildings 154,496      
Additions subsequent to acquisition, Improvements 27,385      
Land at cost 7,073      
Buildings at cost 181,881      
Total at cost 188,954      
Accumulated Depreciation 5,392      
Encumbrances $ 0      
Date of Construction 1926      
Date Acquired Jun. 27, 2018      
Life on which depreciation in latest income statements is computed (Years) 46 years      
2001 [Member] | Hope, AR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,651      
Initial costs, buildings 3,359      
Additions subsequent to acquisition, Improvements 2,274      
Land at cost 1,651      
Buildings at cost 5,633      
Total at cost 7,284      
Accumulated Depreciation 418      
Encumbrances $ 0      
Date of Construction 2001      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2001 [Member] | Norwood, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 7,073      
Initial costs, buildings 154,496      
Additions subsequent to acquisition, Improvements 27,385      
Land at cost 7,073      
Buildings at cost 181,881      
Total at cost 188,954      
Accumulated Depreciation 5,392      
Encumbrances $ 0      
Date of Construction 2001      
Date Acquired Jun. 27, 2018      
Life on which depreciation in latest income statements is computed (Years) 46 years      
1940 [Member] | Houston, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 28,687      
Initial costs, buildings 104,028      
Additions subsequent to acquisition, Improvements 17,462      
Land at cost 28,687      
Buildings at cost 121,490      
Total at cost 150,177      
Accumulated Depreciation 3,695      
Encumbrances $ 0      
Date of Construction 1940      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1940 [Member] | Taunton, MA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,428      
Initial costs, buildings 73,228      
Additions subsequent to acquisition, Improvements 6,852      
Land at cost 4,428      
Buildings at cost 80,080      
Total at cost 84,508      
Accumulated Depreciation $ 6,446      
Date of Construction 1940      
Date Acquired Oct. 03, 2016      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1940 [Member] | Tempe, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,050      
Initial costs, buildings 10,986      
Additions subsequent to acquisition, Improvements 6,773      
Land at cost 6,050      
Buildings at cost 17,759      
Total at cost 23,809      
Accumulated Depreciation $ 903      
Date of Construction 1940      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2002 [Member] | Idaho Falls, ID [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,822      
Initial costs, buildings 37,467      
Additions subsequent to acquisition, Improvements 8,235      
Additions subsequent to acquisition, carrying costs 4,665      
Land at cost 1,822      
Buildings at cost 50,367      
Total at cost 52,189      
Accumulated Depreciation 12,258      
Encumbrances $ 0      
Date of Construction 2002      
Date Acquired Apr. 01, 2008      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2002 [Member] | Melbourne, FL [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,642      
Initial costs, buildings 17,087      
Additions subsequent to acquisition, Improvements 2,686      
Land at cost 5,642      
Buildings at cost 19,773      
Total at cost 25,415      
Accumulated Depreciation 1,522      
Encumbrances $ 0      
Date of Construction 2002      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 42 years      
2002 [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 8,053      
Initial costs, buildings 29,333      
Additions subsequent to acquisition, Improvements 1,945      
Land at cost 8,053      
Buildings at cost 31,278      
Total at cost 39,331      
Accumulated Depreciation $ 1,868      
Date of Construction 2002      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1978 [Member] | Kansas City, MO [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 10,497      
Initial costs, buildings 64,419      
Land at cost 10,497      
Buildings at cost 64,419      
Total at cost 74,916      
Accumulated Depreciation 8,071      
Encumbrances $ 0      
Date of Construction 1978      
Date Acquired Feb. 13, 2015      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1978 [Member] | San Antonio, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 8,053      
Initial costs, buildings 29,333      
Additions subsequent to acquisition, Improvements 1,945      
Land at cost 8,053      
Buildings at cost 31,278      
Total at cost 39,331      
Accumulated Depreciation $ 1,868      
Date of Construction 1978      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1954 [Member] | Camden, SC [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, buildings $ 22,739      
Buildings at cost 22,739      
Total at cost 22,739      
Accumulated Depreciation 2,138      
Encumbrances $ 0      
Date of Construction 1954      
Date Acquired Oct. 30, 2015      
Life on which depreciation in latest income statements is computed (Years) 39 years      
Nineteen Twenty Four | Johnstown, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 8,877      
Initial costs, buildings 247,042      
Land at cost 8,877      
Buildings at cost 247,042      
Total at cost 255,919      
Encumbrances $ 0      
Date of Construction 1924      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
Nineteen Twenty Four | Roaring Springs, PA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,447      
Initial costs, buildings 9,549      
Land at cost 1,447      
Buildings at cost 9,549      
Total at cost 10,996      
Encumbrances $ 0      
Date of Construction 1924      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1996 [Member] | McMinnville, OR [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,000      
Initial costs, buildings 97,900      
Land at cost 5,000      
Buildings at cost 97,900      
Total at cost 102,900      
Accumulated Depreciation 9,146      
Encumbrances $ 0      
Date of Construction 1996      
Date Acquired Aug. 31, 2015      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1996 [Member] | Poole, UK [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,883      
Initial costs, buildings 39,969      
Additions subsequent to acquisition, Improvements 538      
Land at cost 2,421      
Buildings at cost 39,969      
Total at cost 42,390      
Accumulated Depreciation 776      
Encumbrances $ 0      
Date of Construction 1996      
Date Acquired Apr. 03, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
Nineteen Ninety Five | Lafayette, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Long term acute care hospital      
Initial costs, land $ 599      
Initial costs, buildings 1,401      
Land at cost 599      
Buildings at cost 1,401      
Total at cost 2,000      
Accumulated Depreciation 17      
Encumbrances $ 0      
Date of Construction 1995      
Date Acquired Aug. 30, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1975 [Member] | Liverpool, Australia [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,327      
Initial costs, buildings 41,769      
Additions subsequent to acquisition, Improvements 93      
Land at cost 13,420      
Buildings at cost 41,769      
Total at cost 55,189      
Accumulated Depreciation 817      
Encumbrances $ 0      
Date of Construction 1975      
Date Acquired Jun. 07, 2019      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1920 [Member] | Martin's Ferry, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,380      
Initial costs, buildings 4,620      
Land at cost 1,380      
Buildings at cost 4,620      
Total at cost 6,000      
Encumbrances $ 0      
Date of Construction 1920      
Date Acquired Jun. 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 8 years      
1920 [Member] | Pasco, WA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 2,594      
Initial costs, buildings 13,195      
Land at cost 2,594      
Buildings at cost 13,195      
Total at cost 15,789      
Accumulated Depreciation 601      
Encumbrances $ 0      
Date of Construction 1920      
Date Acquired Aug. 31, 2018      
Life on which depreciation in latest income statements is computed (Years) 30 years      
1920 [Member] | Montclair, NJ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 7,900      
Initial costs, buildings 99,640      
Additions subsequent to acquisition, Improvements 577      
Land at cost 8,477      
Buildings at cost 99,640      
Total at cost 108,117      
Accumulated Depreciation 14,741      
Encumbrances $ 0      
Date of Construction 1920      
Date Acquired Apr. 01, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1944 [Member] | Martin's Ferry, OH [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,380      
Initial costs, buildings 4,620      
Land at cost 1,380      
Buildings at cost 4,620      
Total at cost 6,000      
Encumbrances $ 0      
Date of Construction 1944      
Date Acquired Jun. 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 8 years      
1968 [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 12,695      
Initial costs, buildings 73,773      
Additions subsequent to acquisition, Improvements 4,978      
Land at cost 12,695      
Buildings at cost 78,751      
Total at cost 91,446      
Accumulated Depreciation 4,580      
Encumbrances $ 0      
Date of Construction 1968      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 43 years      
2018 [Member] | Olathe, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,485      
Initial costs, buildings 14,484      
Land at cost 3,485      
Buildings at cost 14,484      
Total at cost 17,969      
Accumulated Depreciation 183      
Encumbrances $ 0      
Date of Construction 2018      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 50 years      
2018 [Member] | Roeland Park, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,569      
Initial costs, buildings 15,103      
Land at cost 1,569      
Buildings at cost 15,103      
Total at cost 16,672      
Accumulated Depreciation 188      
Encumbrances $ 0      
Date of Construction 2018      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 50 years      
2018 [Member] | Shawnee, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,076      
Initial costs, buildings 14,945      
Land at cost 3,076      
Buildings at cost 14,945      
Total at cost 18,021      
Accumulated Depreciation $ 216      
Date of Construction 2018      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 50 years      
2019 [Member] | Overland Park, KS [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 3,191      
Initial costs, buildings 14,264      
Land at cost 3,191      
Buildings at cost 14,264      
Total at cost 17,455      
Accumulated Depreciation 191      
Encumbrances $ 0      
Date of Construction 2019      
Date Acquired Jun. 10, 2019      
Life on which depreciation in latest income statements is computed (Years) 50 years      
1988 [Member] | Palestine, TX [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,848      
Initial costs, buildings 95,258      
Land at cost 1,848      
Buildings at cost 95,258      
Total at cost 97,106      
Encumbrances $ 0      
Date of Construction 1988      
Date Acquired Dec. 17, 2019      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1964 [Member] | San Diego, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 6,550      
Initial costs, buildings 15,653      
Additions subsequent to acquisition, carrying costs 77      
Land at cost 6,550      
Buildings at cost 15,730      
Total at cost 22,280      
Accumulated Depreciation 4,979      
Encumbrances $ 0      
Date of Construction 1964      
Date Acquired May 09, 2007      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1964 [Member] | Anaheim, CA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,875      
Initial costs, buildings 21,813      
Additions subsequent to acquisition, carrying costs 10      
Land at cost 1,875      
Buildings at cost 21,823      
Total at cost 23,698      
Accumulated Depreciation $ 7,183      
Date of Construction 1964      
Date Acquired Nov. 08, 2006      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1987 [Member] | Salt Lake City U T        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,590      
Initial costs, buildings 101,915      
Additions subsequent to acquisition, Improvements 15,109      
Land at cost 13,590      
Buildings at cost 117,024      
Total at cost 130,614      
Accumulated Depreciation $ 5,822      
Date of Construction 1987      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
2017 One [Member] | Phoenix, AZ [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 5,576      
Initial costs, buildings 45,782      
Land at cost 5,576      
Buildings at cost 45,782      
Total at cost 51,358      
Accumulated Depreciation 3,338      
Encumbrances $ 0      
Date of Construction 2017      
Date Acquired Feb. 10, 2017      
Life on which depreciation in latest income statements is computed (Years) 40 years      
2003 [Member] | Youngstown O H        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,335      
Initial costs, buildings 3,565      
Additions subsequent to acquisition, Improvements 824      
Land at cost 4,335      
Buildings at cost 4,389      
Total at cost 8,724      
Accumulated Depreciation $ 1,561      
Date of Construction 2003      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1906 [Member] | Salt Lake City U T        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 13,590      
Initial costs, buildings 101,915      
Additions subsequent to acquisition, Improvements 15,109      
Land at cost 13,590      
Buildings at cost 117,024      
Total at cost 130,614      
Accumulated Depreciation $ 5,822      
Date of Construction 1906      
Date Acquired Sep. 29, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years      
1913 [Member] | Sherman Texas        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,493      
Initial costs, buildings 10,690      
Land at cost 4,493      
Buildings at cost 10,690      
Total at cost 15,183      
Accumulated Depreciation $ 2,934      
Date of Construction 1913      
Date Acquired Oct. 31, 2014      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1962 [Member] | West Monroe, LA [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 12,000      
Initial costs, buildings 69,433      
Additions subsequent to acquisition, Improvements 16,187      
Land at cost 12,552      
Buildings at cost 85,068      
Total at cost 97,620      
Accumulated Depreciation $ 11,845      
Date of Construction 1962      
Date Acquired Sep. 26, 2013      
Life on which depreciation in latest income statements is computed (Years) 40 years      
1914 [Member] | Wheeling, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,480      
Initial costs, buildings 7,920      
Land at cost 1,480      
Buildings at cost 7,920      
Total at cost $ 9,400      
Date of Construction 1914      
Date Acquired Jun. 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 8 years      
1925 [Member] | Wheeling, WV [Member]        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 1,480      
Initial costs, buildings 7,920      
Land at cost 1,480      
Buildings at cost 7,920      
Total at cost $ 9,400      
Date of Construction 1925      
Date Acquired Jun. 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 8 years      
1929 [Member] | Youngstown O H        
SEC Schedule III, Real Estate and Accumulated Depreciation [Line Items]        
Type of property Acute care general hospital      
Initial costs, land $ 4,335      
Initial costs, buildings 3,565      
Additions subsequent to acquisition, Improvements 824      
Land at cost 4,335      
Buildings at cost 4,389      
Total at cost 8,724      
Accumulated Depreciation $ 1,561      
Date of Construction 1929      
Date Acquired May 01, 2017      
Life on which depreciation in latest income statements is computed (Years) 41 years