SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Details) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended 12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2013
Arrowhead Commons, Phoenix, AZ
Dec. 31, 2013
Aurora Medical Office Building, Green Bay, WI
Dec. 31, 2013
Austell Medical Office Building, Atlanta, GA
Dec. 31, 2013
Canton Medical Office Building, Atlanta, GA
Dec. 31, 2013
Decatur Medical Office Building, Atlanta, GA
Dec. 31, 2013
El Paso Medical Office Building, El Paso, TX
Dec. 31, 2013
Farmington Professional Pavillion, Detroit, MI
Dec. 31, 2013
Firehouse Square, Milwaukee, WI
Dec. 31, 2013
Hackley Medical Center, Grand Rapids, MI
Dec. 31, 2013
Ingham Regional Medical Center, Lansing, MI
Dec. 31, 2013
Meadow View Professional Center, Kingsport, TN
Dec. 31, 2013
Mid Coast Hospital Office Building, Portland, ME
Dec. 31, 2013
New Albany Professional Building, Columbus, OH
Dec. 31, 2013
Northpark Trail, Atlanta, GA
Dec. 31, 2013
Remington Medical Commons, Chicago, IL
Dec. 31, 2013
Stonecreek Family Health Center, Columbus, OH
Dec. 31, 2013
Summerfield Square, Tampa, FL
Dec. 31, 2013
Summit Healthplex, Atlanta, GA
Dec. 31, 2013
Valley West Hospital Medical Office Building, Chicago, IL
Dec. 31, 2013
East El Paso MOB, El Paso, TX
Dec. 31, 2013
East El Paso Surgery Center, El Paso, TX
Dec. 31, 2013
LifeCare Plano LTACH, Plano, TX
Dec. 31, 2013
Crescent City Surgical Centre, New Orleans, LA
Dec. 31, 2013
Foundation Surgical Affiliates MOB, Oklahoma City, OK
Dec. 31, 2013
Pensacola Medical Office Building, Pensacola, FL
Dec. 31, 2013
Central Ohio Neurosurgical Surgeons MOB (CONS), Columbus, OH
Dec. 31, 2013
Great Falls Ambulatory Surgery Center, Great Falls, MT
REAL ESTATE AND ACCUMULATED DEPRECIATION                                                              
Encumbrances $ 42,821             $ 6,308       $ 2,828 $ 5,513   $ 10,584 $ 8,072     $ 4,533       $ 4,983                
Initial Cost to Company                                                              
Land 26,088       740 500 289 710 740 860 580 1,121 1,840 676 2,270   237 839 895 534   2,633   710 3,070 3,370   1,300 990 981 203
Buildings and Improvements 192,431       2,551 1,566 1,992 7,225 2,593 2,867 1,714 2,769 6,400 2,893 11,344 11,247 2,764 1,245 6,499 1,909 405 15,576 6,274 4,500 23,627 11,689 34,208 12,724 5,005 7,620 3,225
Cost Capitalized Subsequent to Acquisitions 6,211       1   264 97 36 333 54   11       20 218 319 11 (180) 4,416 611                
Gross Amount at Which Carried as of Close of Period                                                              
Land 26,088       740 500 289 710 740 860 580 1,121 1,840 676 2,270   237 839 895 534   2,633   710 3,070 3,370   1,300 990 981 203
Buildings and Improvements 198,642       2,552 1,566 2,256 7,322 2,629 3,200 1,768 2,769 6,411 2,893 11,344 11,247 2,784 1,463 6,818 1,920 225 19,992 6,885 4,500 23,627 11,689 34,208 12,724 5,005 7,620 3,225
Total 224,730 111,149 124,333 125,764 3,292 2,066 2,545 8,032 3,369 4,060 2,348 3,890 8,251 3,569 13,614 11,247 3,021 2,302 7,713 2,454 225 22,625 6,885 5,210 26,697 15,059 34,208 14,024 5,995 8,601 3,428
Accumulated Depreciation $ (20,299) $ (16,495) $ (14,484) $ (11,171) $ (310) $ (117) $ (312) $ (1,608) $ (584) $ (1,123) $ (960) $ (592) $ (1,442) $ (693) $ (2,542) $ (2,102) $ (402) $ (501) $ (1,209) $ (615)   $ (3,160) $ (1,331) $ (43) $ (219) $ (136) $ (178) $ (74) $ (26) $ (14) $ (6)
Life on Which Building Depreciation in Income Statement is Computed         46 years 50 years 36 years 30 years 28 years 21 years 15 years 30 years 30 years 39 years 30 years 30 years 42 years 35 years 30 years 23 years   44 years 30 years 35 years 36 years 25 years 48 years 43 years 49 years 44 years 33 years