Purchase price.

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Asset Acquisition, Stock Exchange Ratio

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Asset Acquisition, Stock Issued as Consideration

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Number of Impaired Properties

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Real Estate, Land Held For Development

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Real Estate, Measurement Input

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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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The number of real estate properties owned as of the balance sheet date.

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The number of states the entity operates in as of the balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Real Estate - Narrative (Details) $ in Thousands	3 Months Ended
Real Estate - Narrative (Details) $ in Thousands	Mar. 31, 2021 USD ($) realEstateProperty parcel state	Mar. 31, 2020 USD ($)	Mar. 01, 2021 shares
Real Estate [Line Items]
Number of properties \| realEstateProperty	123
Land parcel held for future development \| parcel	1
Number of states \| state	26
Purchase price	$ 5,400,000
Depreciation	26,546	$ 22,673
Amortization expense	17,800
Impairment provision	$ 4,242	$ 0
Number of properties impaired \| realEstateProperty	2
2200 Channahon Road and Houston Westway I
Real Estate [Line Items]
Impairment provision	$ 4,200
Number of properties impaired \| realEstateProperty	2
Minimum \| Discount Rate
Real Estate [Line Items]
Discount rate (percent)	0.0575
Maximum \| Discount Rate
Real Estate [Line Items]
Discount rate (percent)	0.0875
Mergers
Real Estate [Line Items]
CCIT II's common stock shares prior to conversion (shares) \| shares			67,139,129
Exchange ratio			1.392
Implied GCEAR common stock issued as consideration (shares) \| shares			93,457,668