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v3.21.1

Subsequent Events (Details) $ in Thousands | May 03, 2021 USD ($) ft² Buildings | Apr. 01, 2021 USD ($) shares | Mar. 31, 2021 USD ($)
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Subsequent Event [Line Items] |  |  |
Preferred Stock, Redemption Amount |  |  | $ 193,623
Series B Cumulative Redeemable Preferred Stock / Unit [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Preferred Stock, Redemption Amount |  |  | 201,300
Redeemable Preferred Stock Dividends |  |  | $ 1,300
Subsequent Event [Member] | Waltham lab properties [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Payments to Acquire Real Estate | $ 100,000 |  |
Number of real estate properties | Buildings | 2 |  |
Net Rentable Area (in sf) | ft² | 137,000 |  |
Leased percentage | 100.00% |  |
Subsequent Event [Member] | Series B Cumulative Redeemable Preferred Stock / Unit [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Preferred Stock, Redemption Date |  | Apr. 01, 2021 |
Series B Preferred Stock Redeemed | shares |  | 80,000 |
Preferred Stock, Redemption Amount |  | $ 201,300 |
Redeemable Preferred Stock Dividends |  | $ 1,300 |
Subsequent Event [Member] | Depositary shares of Series B Cumulative Redeemable Preferred [Member] |  |  |
Subsequent Event [Line Items] |  |  |
Series B Preferred Stock Redeemed | shares |  | 8,000,000 |

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- Definition Net rentable area for properties owned. + References No definition available. + Details
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- Definition The number of real estate properties owned as of the balance sheet date. + References No definition available. + Details
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- Definition The cash outflow from the acquisition of a piece of land, anything permanently fixed to it, including buildings, structures on it and so forth; includes real estate intended to generate income for the owner; excludes real estate acquired for use by the owner. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3213-108585 + Details
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- Definition The redemption (or callable) amount of currently redeemable preferred stock. Includes amounts representing dividends not currently declared or paid but which will be payable under the redemption features or for which ultimate payment is solely within the control of the issuer. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.27(b)) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21564-112644 + Details
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