| Submission | Feb. 07, 2025 |
| Submission [Line Items] | |
| Central Index Key | 0001456772 |
| Registrant Name | OFFICE PROPERTIES INCOME TRUST |
| Registration File Number | 333-265997 |
| Form Type | S-3 |
| Submission Type | POSASR |
| Fee Exhibit Type | EX-FILING FEES |
| Offerings | Feb. 07, 2025 USD ($) |
| Offering: 1 | |
| Offering: | |
| Rule 457(o) | true |
| Security Type | Debt |
| Security Class Title | Debt Securities |
| Fee Rate | 0.01531% |
| Offering: 2 | |
| Offering: | |
| Rule 457(o) | true |
| Security Type | Equity |
| Security Class Title | Preferred Shares of Beneficial Interest |
| Fee Rate | 0.01531% |
| Offering: 3 | |
| Offering: | |
| Rule 457(o) | true |
| Security Type | Equity |
| Security Class Title | Depositary Shares Representing Preferred Shares |
| Fee Rate | 0.01531% |
| Offering: 4 | |
| Offering: | |
| Rule 457(o) | true |
| Security Type | Equity |
| Security Class Title | Common Shares of Beneficial Interest, $.01 par value per share |
| Fee Rate | 0.01531% |
| Offering: 5 | |
| Offering: | |
| Rule 457(o) | true |
| Security Type | Other |
| Security Class Title | Warrants |
| Fee Rate | 0.01531% |
| Offering: 6 | |
| Offering: | |
| Fee Previously Paid | false |
| Rule 457(o) | true |
| Security Type | Unallocated (Universal) Shelf |
| Maximum Aggregate Offering Price | $ 1,000,000,000 |
| Fee Rate | 0.01531% |
| Amount of Registration Fee | $ 153,100 |
| Offering Note | (a) An indeterminate number of or aggregate principal amount of the securities is being registered as may at various times be issued at indeterminate prices, with an aggregate public offering price not to exceed $1,000,000,000 or the equivalent thereof in one or more currencies or, if any debt securities are issued at any original issuance discount, such greater amount as shall result in net proceeds of $1,000,000,000 to the registrant. Separate consideration may or may not be received for securities that are issuable on exercise, conversion or exchange of other securities, including under any anti-dilution provisions, or that are issued in units or represented by depositary shares. (b) Each depositary share will be issued under a deposit agreement and will be evidenced by a depositary receipt. In the event the Registrant elects to offer to the public fractional interests in preferred shares of beneficial interest registered hereunder, depositary receipts will be distributed to those persons purchasing such fractional interests, and preferred shares of beneficial interest will be issued to the depositary under the deposit agreement. No separate consideration will be received for the depositary shares. (c) Pursuant to Rule 416 under the Securities Act of 1933, as amended, or the Securities Act, the securities being registered hereunder include such indeterminate number of securities as may be issuable with respect to the shares being registered hereunder as a result of share splits, share dividends or similar transactions. (d) Estimated solely for purposes of calculating the amount of the registration fee pursuant to Rule 457(o) under the Securities Act. |
| Fees Summary | Feb. 07, 2025 USD ($) |
| Fees Summary [Line Items] | |
| Total Offering | $ 1,000,000,000 |
| Previously Paid Amount | 0 |
| Total Fee Amount | 153,100 |
| Total Offset Amount | 0 |
| Net Fee | $ 153,100 |
