Condensed Consolidating Financial Information (Consolidated Statements Of Income) (Details) (USD $)
In Thousands, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Dec. 31, 2010
Sep. 30, 2010
Jun. 30, 2010
Mar. 31, 2010
Dec. 31, 2009
Sep. 30, 2009
Jun. 30, 2009
Mar. 31, 2009
Dec. 31, 2010
Dec. 31, 2009
Dec. 31, 2008
Revenues                      
Rent billed                 $ 92,785 $ 81,865 $ 74,146
Straight-line rent                 2,074 8,221 3,742
Interest and fee income                 26,988 28,723 29,182
Total revenues 31,752 28,644 30,593 30,858 30,069 30,639 28,640 29,460 121,847 118,809 107,070
Expenses                      
Real estate depreciation and amortization                 24,486 22,628 22,385
Impairment charge                 12,000    
Property-related                 4,407 3,802 4,242
General and administrative                 28,535 21,096 19,515
Total operating expenses                 69,428 47,526 46,142
Operating income                 52,419 71,283 60,928
Other income (expense)                      
Interest and other income                 1,518 43 86
Debt refinancing costs                 (6,716)    
Interest expense                 (33,993) (37,656) (42,424)
Net other expenses                 (39,191) (37,613) (42,338)
Income from continuing operations 8,309 8,654 (236) (3,424) 9,330 9,525 6,608 8,270 13,228 33,670 18,590
Income from discontinued operations 2,321 301 6,537 625 (1,924) 859 1,251 2,511 9,784 2,697 14,143
Net income 10,630 8,955 6,301 (2,799) 7,406 10,384 7,859 10,781 23,012 36,367 32,733
Net income attributable to non-controlling interests                 (99) (37) (33)
Net income (loss) attributable to MPT common stockholders/Operating Partnership partners 10,593 8,910 6,292 (2,807) 7,399 10,374 7,846 10,773 22,913 36,330 32,700
Earnings per share/unit - basic                      
Income from continuing operations attributable to MPT common stockholders/Operating Partnership partners                 $ 0.12 $ 0.41 $ 0.27
Income from discontinued operations attributable to MPT common stockholders/Operating Partnership partners                 $ 0.10 $ 0.04 $ 0.23
Net income attributable to MPT common stockholders/Operating Partnership partners $ 0.09 $ 0.08 $ 0.06 $ (0.04) $ 0.09 $ 0.13 $ 0.09 $ 0.14 $ 0.22 $ 0.45 $ 0.50
Weighted average shares/units outstanding - basic 110,103 110,046 103,498 79,176 78,755 78,655 78,616 76,432 100,706 78,117 62,027
Earnings per share/unit - diluted                      
Income from continuing operations attributable to MPT common stockholders/Operating Partnership partners                 $ 0.12 $ 0.41 $ 0.27
Income from discontinued operations attributable to MPT common stockholders/Operating Partnership partners                 $ 0.10 $ 0.04 $ 0.23
Net income attributable to MPT common stockholders/Operating Partnership partners $ 0.09 $ 0.08 $ 0.06 $ (0.04) $ 0.09 $ 0.13 $ 0.09 $ 0.14 $ 0.22 $ 0.45 $ 0.50
Weighted average shares/units outstanding - diluted 110,108 110,046 103,498 79,176 78,755 78,655 78,616 76,432 100,708 78,117 62,035
Parent [Member]
                      
Revenues                      
Total revenues 31,752 28,644 30,593 30,858 30,069 30,639 28,640 29,460      
Expenses                      
General and administrative                 75 63  
Total operating expenses                 75 63  
Operating income                 (75) (63)  
Other income (expense)                      
Income from continuing operations 8,309 8,663 (305) (3,439) 9,330 9,525 6,608 8,207 (75) (63)  
Income from discontinued operations 2,321 301 6,537 625 (1,924) 859 1,251 2,511 9,784 2,697 14,143
Equity in earnings of consolidated subsidiaries net of income taxes                 23,087 36,430 32,733
Net income 10,630 8,964 6,232 (2,814) 7,406 10,384 7,859 10,718 23,012 36,367 32,733
Net income attributable to non-controlling interests                 (99) (37) (33)
Net income (loss) attributable to MPT common stockholders/Operating Partnership partners 10,593 8,919 6,223 (2,822) 7,399 10,374 7,846 10,710 22,913 36,330 32,700
Earnings per share/unit - basic                      
Net income attributable to MPT common stockholders/Operating Partnership partners $ 0.09 $ 0.08 $ 0.06 $ (0.04) $ 0.09 $ 0.13 $ 0.09 $ 0.14      
Weighted average shares/units outstanding - basic 110,103 110,046 103,498 79,176 78,755 78,655 78,616 76,432      
Earnings per share/unit - diluted                      
Income from discontinued operations attributable to MPT common stockholders/Operating Partnership partners                 $ 0.10 $ 0.04 $ 0.23
Net income attributable to MPT common stockholders/Operating Partnership partners $ 0.09 $ 0.08 $ 0.06 $ (0.04) $ 0.09 $ 0.13 $ 0.09 $ 0.14      
Weighted average shares/units outstanding - diluted 110,108 110,046 103,498 79,176 78,755 78,655 78,616 76,432      
Subsidiary Issuer [Member]
                      
Revenues                      
Straight-line rent                     (543)
Interest and fee income                 6,964 10,010 8,627
Total revenues                 6,964 10,010 8,084
Expenses                      
Property-related                 (4) (20) 69
General and administrative                 27,867 20,631 19,357
Total operating expenses                 27,863 20,611 19,426
Operating income                 (20,899) (10,601) (11,342)
Other income (expense)                      
Interest and other income                 (13) 51 85
Debt refinancing costs                 (6,716)    
Interest expense                 (33,623) (36,761) (40,671)
Net other expenses                 (40,352) (36,710) (40,586)
Income from continuing operations                 (61,251) (47,311) (51,928)
Equity in earnings of consolidated subsidiaries net of income taxes                 84,338 83,741 84,661
Net income                 23,087 36,430 32,733
Net income attributable to non-controlling interests                 (99) (37) (33)
Net income (loss) attributable to MPT common stockholders/Operating Partnership partners                 22,988 36,393 32,700
Subsidiaries Guarantor [Member]
                      
Revenues                      
Rent billed                 79,388 69,327 63,399
Straight-line rent                 186 6,244 2,323
Interest and fee income                 16,772 14,400 15,879
Total revenues                 96,346 89,971 81,601
Expenses                      
Real estate depreciation and amortization                 21,339 19,571 19,741
Property-related                 4,376 3,780 4,183
General and administrative                     8
Total operating expenses                 25,715 23,351 23,932
Operating income                 70,631 66,620 57,669
Other income (expense)                      
Interest and other income                 1,493   2
Interest expense                 26 (4) (167)
Net other expenses                 1,519 (4) (165)
Income from continuing operations                 72,150 66,616 57,504
Income from discontinued operations                 122 (1,254) (437)
Equity in earnings of consolidated subsidiaries net of income taxes                 4,273 3,918 2,861
Net income                 76,545 69,280 59,928
Net income (loss) attributable to MPT common stockholders/Operating Partnership partners                 76,545 69,280 59,928
Non-Guarantor Subsidiaries [Member]
                      
Revenues                      
Rent billed                 14,427 12,538 10,747
Straight-line rent                 1,888 1,977 1,962
Interest and fee income                 10,766 14,732 12,387
Total revenues                 27,081 29,247 25,096
Expenses                      
Real estate depreciation and amortization                 3,147 3,057 2,644
Impairment charge                 12,000    
Property-related                 1,065 42 (10)
General and administrative                 593 402 150
Total operating expenses                 16,805 3,501 2,784
Operating income                 10,276 25,746 22,312
Other income (expense)                      
Interest and other income                 38 (8) (1)
Interest expense                 (7,910) (11,310) (9,297)
Net other expenses                 (7,872) (11,318) (9,298)
Income from continuing operations                 2,404 14,428 13,014
Income from discontinued operations                 9,662 3,951 14,580
Net income                 12,066 18,379 27,594
Net income (loss) attributable to MPT common stockholders/Operating Partnership partners                 12,066 18,379 27,594
Eliminations [Member]
                      
Revenues                      
Rent billed                 (1,030)    
Interest and fee income                 (7,514) (10,419) (7,711)
Total revenues                 (8,544) (10,419) (7,711)
Expenses                      
Property-related                 (1,030)    
Total operating expenses                 (1,030)    
Operating income                 (7,514) (10,419) (7,711)
Other income (expense)                      
Interest expense                 7,514 10,419 7,711
Net other expenses                 7,514 10,419 7,711
Equity in earnings of consolidated subsidiaries net of income taxes                 (111,698) (124,089) (120,255)
Net income                 (111,698) (124,089) (120,255)
Net income attributable to non-controlling interests                 99 37 33
Net income (loss) attributable to MPT common stockholders/Operating Partnership partners                 $ (111,599) $ (124,052) $ (120,222)