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Real Estate - Summary of Purchase Price Allocation of Properties Acquired (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Real Estate [Line Items] |  |
Land | $ 586,395 | $ 445,674
Other Intangibles | 47,299 | 10,035
In-place lease valuation - above/(below) market | 17,582 | 7,972
Financing Leases | (3,689) |
Ground leasehold interest (below market) | 2,254 | $ 2,254
CCIT II Properties |  |
Real Estate [Line Items] |  |
Land | 141,892 |
Building | 958,166 |
Improvements | 34,613 |
Tenant origination and absorption costs | 152,793 |
Other Intangibles | 27,788 |
In-place lease valuation - above/(below) market | 1,565 |
Financing Leases | (3,681) |
Total | 1,313,136 |
Ground leasehold interest (below market) | $ 5,600 |

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