Real Estate and Intangibles - Additional Information (Detail) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) Property	Mar. 31, 2019 USD ($)
Real Estate Properties [Line Items]
Revenues	$ 58,218	$ 50,607
Net income available to Easterly Government Properties, Inc.	1,697	(416)
Acquisition-related expenses	538	$ 470
Operating Properties Acquired [Member]
Real Estate Properties [Line Items]
Acquisition-related expenses	$ 500
DEA Sterling, VA, FDA College Park, MD, Various GSA Portland, OR, JSC -Suffolk, and FBI - New Orleans [Member] \| Operating Properties Acquired [Member]
Real Estate Properties [Line Items]
Number of properties \| Property	2
Purchase price	$ 51,600
Weighted average amortization period	8 years 11 months 4 days
Revenues	$ 600
Net income available to Easterly Government Properties, Inc.	$ 100

Weighted average amortization period.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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- Definition

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

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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