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Organization - Narrative (Details) $ / shares in Units, $ in Thousands |  | 3 Months Ended | 42 Months Ended | 137 Months Ended |
--- | --- | --- | --- | --- | ---
Mar. 01, 2021 USD ($) | Mar. 31, 2021 USD ($) realEstateProperty $ / shares shares | Mar. 31, 2021 USD ($) realEstateProperty $ / shares shares | Mar. 31, 2021 USD ($) realEstateProperty $ / shares shares | Dec. 31, 2020 USD ($) $ / shares shares
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Common Stock, Par or Stated Value Per Share | $ / shares |  |  | $ 0.001 | $ 0.001 | $ 0.001 | $ 0.001
Proceeds from sale of shares | $ |  |  |  | $ 2,800,000 |  |
Number of shares outstanding (in shares) |  |  | 323,881,102 | 323,881,102 | 323,881,102 | 230,320,668
Shares issued | $ | [1] |  | $ 324 | $ 324 | $ 324 | $ 230
Units eligible towards redemption (in shares) |  |  | 556,099 | 556,099 | 556,099 | 556,099
GCEAR Operating Partnership |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Limited liability partnership percentage of interest held (percent) |  |  | 91.00% |  |  |
CCIT II Merger |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Total consideration | $ |  | $ 1,300,000 |  |  |  |
Number of shares to be received for each share converted |  | 1.392 |  |  |  |
Sponsor and Affiliates |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Number of properties contributed | realEstateProperty |  |  | 5 | 5 | 5 |
Sponsor and Affiliates | GCEAR Operating Partnership |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Limited liability partnership percentage of interest held (percent) |  |  | 7.80% |  |  |
Third Parties | GCEAR Operating Partnership |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Limited liability partnership percentage of interest held (percent) |  |  | 1.20% |  |  |
Board Chairman |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Partnership units owned (in shares) |  |  | 2,400,000 | 2,400,000 | 2,400,000 |
Private Offerings, Public Offerings, Dividend Reinvestment Plan ("DRP") Offerings and Mergers |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Implied EA-1 common stock issued in consideration |  |  | 285,399,745 | 285,399,745 | 285,399,745 |
Proceeds from sale of shares | $ |  |  |  |  | $ 2,800,000 |
Distribution Reinvestment Plan |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Shares issued | $ |  |  | $ 325,400 | $ 325,400 | $ 325,400 | $ 318,200
Units eligible towards redemption (in shares) |  |  | 30,407 | 30,407 | 30,407 |
Common Class A |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Number of shares outstanding (in shares) |  |  | 24,415,356 | 24,415,356 | 24,415,356 |
Common Class T |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Number of shares outstanding (in shares) |  |  | 560,462 | 560,462 | 560,462 |
Common Class E |  |  |  |  |  |
Subsidiary, Sale of Stock [Line Items] |  |  |  |  |  |
Number of shares outstanding (in shares) |  |  | 248,606,760 | 248,606,760 | 248,606,760 |
[1] | See Note 9, Equity, for the number of shares outstanding of each class of common stock as of March 31, 2021.

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- Definition Noncontrolling interest subject to redemption value that is classified as temporary equity. Temporary equity is a security with redemption features that are outside the control of the issuer, is not classified as an asset or liability in conformity with GAAP, and is not mandatorily redeemable. Includes any type of security that is redeemable at a fixed or determinable price or on a fixed or determinable date or dates, is redeemable at the option of the holder, or has conditions for redemption which are not solely within the control of the issuer. + References No definition available. + Details
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