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Summary of Significant Accounting Policies - Narrative (Details) $ in Thousands, shares in Millions, ft² in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended |  |  |
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Jun. 30, 2025 USD ($) ft² property variable_interest_entity financing_receivable state loan note_receivable shares | Jun. 30, 2024 USD ($) | Jun. 30, 2025 USD ($) ft² property segment variable_interest_entity financing_receivable state loan note_receivable joint_venture shares | Jun. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) | Mar. 31, 2025 USD ($) | Mar. 31, 2024 USD ($) | Dec. 31, 2023 USD ($)
Business Overview: |  |  |  |  |  |  |  |
Gross investment amount, total | $ 11,200,000 |  | $ 11,200,000 |  |  |  |  |
Number of real estate properties | property | 559 |  | 559 |  |  |  |  |
Number of properties held in unconsolidated joint ventures | property | 63 |  | 63 |  |  |  |  |
Number of states that the company owns real estate in, whole units | state | 32 |  | 32 |  |  |  |  |
Approximate square feet invested in by company | ft² | 32.2 |  | 32.2 |  |  |  |  |
Nationwide portfolio (percent) | 93.00% |  | 93.00% |  |  |  |  |
Principles of Consolidation: |  |  |  |  |  |  |  |
Equity ownership for consolidation (percent) | 100.00% |  | 100.00% |  |  |  |  |
Number of variable interest entities | variable_interest_entity | 3 |  | 3 |  |  |  |  |
Segment Reporting: |  |  |  |  |  |  |  |
Number of operating segments | segment |  |  | 1 |  |  |  |  |
Redeemable Non-Controlling Interests: |  |  |  |  |  |  |  |
Redeemable non-controlling interests | $ 4,332 | $ 3,875 | $ 4,332 | $ 3,875 | $ 4,778 | $ 4,627 | $ 3,880 | $ 3,868
Asset Impairment: |  |  |  |  |  |  |  |
Impairment of real estate assets | 140,900 |  | 151,000 |  |  |  |  |
Real Estate Notes Receivable: |  |  |  |  |  |  |  |
Investment in financing receivable, net | 81,100 |  | 81,100 |  |  |  |  |
Allowance for Credit Losses, Interest Income, Income from Real Estate Notes Receivable: |  |  |  |  |  |  |  |
Credit loss reserves | $ 1,500 |  | $ 1,471 |  | $ 59,563 |  |  |
Number of recognized lease financial receivables | financing_receivable | 2 |  | 2 |  |  |  |  |
Income from financing receivables | $ 2,000 | 2,100 | $ 3,900 | 4,200 |  |  |  |
Number of loans on non-accrual status | loan | 2 |  | 2 |  |  |  |  |
Fair Value, Inputs, Level 3 |  |  |  |  |  |  |  |
Asset Impairment: |  |  |  |  |  |  |  |
Number of properties measured at fair value | property | 11 |  | 11 |  |  |  |  |
Properties measured at fair value | $ 126,300 |  | $ 126,300 |  |  |  |  |
Notes Receivable |  |  |  |  |  |  |  |
Allowance for Credit Losses, Interest Income, Income from Real Estate Notes Receivable: |  |  |  |  |  |  |  |
Interest income | $ 1,500 | $ 1,800 | $ 3,300 | $ 4,200 |  |  |  |
Variable Interest Entity |  |  |  |  |  |  |  |
Principles of Consolidation: |  |  |  |  |  |  |  |
Number of variable interest entities | variable_interest_entity | 4 |  | 4 |  |  |  |  |
Number of notes receivable | note_receivable | 3 |  | 3 |  |  |  |  |
Number of joint ventures | joint_venture |  |  | 1 |  |  |  |  |
HealthCare Realty Trust Incorporated | Other Investors |  |  |  |  |  |  |  |
Business Overview: |  |  |  |  |  |  |  |
Subsidiary, ownership percentage, noncontrolling owner | 1.40% |  | 1.40% |  |  |  |  |
Non-Controlling Interest Holders | Healthcare Trust of America Holdings L P |  |  |  |  |  |  |  |
Principles of Consolidation: |  |  |  |  |  |  |  |
Limited partner's capital, units outstanding (in shares) | shares | 5.1 |  | 5.1 |  |  |  |  |
Healthcare Trust of America Holdings L P |  |  |  |  |  |  |  |
Business Overview: |  |  |  |  |  |  |  |
Equity interest owned (percent) | 98.60% |  | 98.60% |  |  |  |  |
Property Entities Not Determined to be VIEs |  |  |  |  |  |  |  |
Business Overview: |  |  |  |  |  |  |  |
Equity interest owned (percent) | 100.00% |  | 100.00% |  |  |  |  |
Real Estate Properties Held in Joint Ventures |  |  |  |  |  |  |  |
Business Overview: |  |  |  |  |  |  |  |
Joint venture ownership (percent) | 30.00% |  | 30.00% |  |  |  |  |

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