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Real Estate Investments - Schedule of Disposal Groups (Details) $ in Thousands | 1 Months Ended | 12 Months Ended |
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Apr. 30, 2021 USD ($) building | Feb. 28, 2021 USD ($) ft² building | Dec. 31, 2020 USD ($) ft² property unit building | Nov. 30, 2020 USD ($) building unit | Oct. 31, 2020 USD ($) building unit | Sep. 30, 2020 USD ($) ft² building | Aug. 31, 2020 USD ($) building unit | Jul. 31, 2020 USD ($) ft² building | Jun. 30, 2020 USD ($) ft² building | Apr. 30, 2020 USD ($) building unit | Mar. 31, 2020 USD ($) ft² building | Feb. 29, 2020 USD ($) | Jan. 31, 2020 USD ($) ft² building | Dec. 31, 2019 USD ($) ft² building property unit | Oct. 31, 2019 USD ($) ft² building unit | Sep. 30, 2019 USD ($) ft² building property unit | Aug. 31, 2019 USD ($) ft² building | Jul. 31, 2019 USD ($) ft² building | Jun. 30, 2019 USD ($) ft² building | May 31, 2019 USD ($) ft² building unit | Mar. 31, 2019 USD ($) ft² building | Feb. 28, 2019 USD ($) ft² building | Dec. 31, 2021 USD ($) ft² property building | Dec. 31, 2020 USD ($) ft² property unit building | Dec. 31, 2019 USD ($) ft² building property unit | Feb. 28, 2020 ft² building
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 390 |  |  |
Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  | 27 |  |  |  |  |  |  |  |  |  |  | 46 |  |  |  |  |  |  |  |  | 5 | 27 | 46 |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 104,500 | $ 152,893 | $ 260,783 |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 30,638 | $ 6,262 | $ 39,696 |
Medical Office |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  | 7 |  |  |  |  |  |  |  |  |  |  | 20 |  |  |  |  |  |  |  |  |  | 7 | 20 |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4 |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Pennsylvania |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1
Area of real estate properties (in square feet) | ft² |  | 92,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 50,000
Sales Price |  | $ 9,000 |  |  |  |  |  |  |  |  |  | $ 2,900 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  | $ (122) |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Louisiana |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  | 6 |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  | 40,575 |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  | $ 5,925 |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  | $ (81) |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Texas |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  | 1 |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  | 6,849 |  |  | 70,229 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  | $ 2,072 |  |  | $ 8,779 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  | $ (30) |  |  | $ 2,863 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | South Carolina |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  | 49,242 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  | $ 3,550 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Connecticut |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  | 32,162 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  | $ 625 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  | $ (25) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Mississippi |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  | 78,747 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  | $ 7,250 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  | $ (114) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | New York |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |
Area of real estate properties (in square feet) | ft² |  |  | 64,060 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 64,060 |  |
Sales Price |  |  | $ 3,875 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  | $ (273) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Massachusetts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 | 3 | 7 |  | 1 |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 41,065 | 49,357 | 103,484 | 164,121 |  | 4,400 |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,750 | $ 2,221 | $ 4,955 | $ 8,042 |  | $ 75 |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,044 | $ 812 | $ 2,332 | $ 1,590 |  | $ (58) |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Colorado |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15,647 |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,590 |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 1,029 |  |  |  |  |  |
Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Georgia |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  | 95,010 |  |  |  |  |  |  |  |  |  |  | 95,010 |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 14,000 |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (63) |  |  |  |  |  |  |  |  |  |  |  |
Life Science / Medical Office | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Florida |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building | 4 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 263,656 |  |  |
Sales Price | $ 95,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale | $ 30,760 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
IL / AL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | California |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  |  |  |  |  |  |  | 599 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  | $ 47,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  | $ (256) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Mississippi |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  |  |  |  | 116 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  | $ 2,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  | $ (42) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
AL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Various |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  | 3 |  |  |  |  |  |  |  |  | 7 |  |  |  |  |  |  |  |  |  |  | 7 |
Number of units in real estate property | unit |  |  |  |  | 239 |  |  |  |  |  |  |  |  | 566 |  |  |  |  |  |  |  |  |  |  | 566 |
Sales Price |  |  |  |  | $ 46,000 |  |  |  |  |  |  |  |  | $ 103,250 |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  | $ 4,292 |  |  |  |  |  |  |  |  | $ 3,593 |  |  |  |  |  |  |  |  |  |  |  |
AL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Nebraska |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  | 131 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  | $ 3,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  | $ (26) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Life Science |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 |
Life Science | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Florida |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 60,396 |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,900 |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (69) |  |  |  |
Life Science | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Ohio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  | 2 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2 |  |
Area of real estate properties (in square feet) | ft² |  |  | 232,016 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 232,016 |  |
Sales Price |  |  | $ 7,917 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  | $ 257 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Life Science | Disposal Group, Disposed of by Sale, Not Discontinued Operations | New Jersey |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  |
Area of real estate properties (in square feet) | ft² |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 205,439 |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 47,500 |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |  |
SNF / AL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Wisconsin |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |
Number of units in real estate property | unit |  |  | 537 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 537 |  |
Sales Price |  |  | $ 11,500 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  | $ (303) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
SNF / AL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | South Dakota |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 245 |  |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 10,500 |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 6,661 |  |  |  |  |  |  |  |  |  |  |
SNF | Disposal Group, Disposed of by Sale, Not Discontinued Operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8 |  |  |
Number of units in real estate property | property |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 |  |  |  |  |  |  |  |  |  |
SNF | Disposal Group, Disposed of by Sale, Not Discontinued Operations | California |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3 |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 278 |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 21,500 |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 15,207 |  |  |  |  |  |
SNF | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Various |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 15 |  |  |  |  |  |  |  |  |  |
Number of units in real estate property | unit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 964 |  |  |  |  |  |  |  |  |  |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,000 |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0 |  |  |  |  |  |  |  |  |  |
IL | Disposal Group, Disposed of by Sale, Not Discontinued Operations | Washington |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Real Estate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of Properties | building |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 |  |  |  |  |  |  |  |  |  |  | 1 |
Number of units in real estate property | unit |  |  |  |  |  |  |  |  |  |  |  |  |  | 150 |  |  |  |  |  |  |  |  |  |  | 150 |
Sales Price |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 32,500 |  |  |  |  |  |  |  |  |  |  |  |
Gain (loss) on Sale |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 7,618 |  |  |  |  |  |  |  |  |  |  |  |

X
- Definition This element represents the aggregate sales price excluding closing costs, of real estate properties sold by the entity. + References No definition available. + Details
Name: | dhc_RealEstateAggregateSalesPrice
Namespace Prefix: | dhc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition Area of a real estate property. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | dtr-types:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount before tax of gain (loss) recognized on the sale or disposal of a disposal group. Excludes discontinued operations. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=123351718&loc=d3e2443-110228 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123570139&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=109226691&loc=d3e2941-110230 + Details
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X
- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:integerItemType
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- Definition The number of units in a real estate property owned as of the balance sheet date. + References No definition available. + Details
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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