Organization - Additional Information (Details) $ / shares in Units, $ in Thousands					1 Months Ended	3 Months Ended
	Mar. 18, 2019 USD ($) $ / shares shares	Jul. 24, 2018 USD ($) $ / shares shares	Jun. 25, 2018 $ / shares shares	Jan. 31, 2017 ClassofEquity	Jul. 20, 2018 $ / shares shares	Mar. 31, 2019 USD ($) $ / shares shares	Dec. 31, 2018 $ / shares shares	Jun. 21, 2018 shares	Jun. 20, 2018 shares	Dec. 31, 2017
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common shares, par value per share | $ / shares						$ 0.01	$ 0.01
Proceeds from issuance of shares, net of underwriting discounts and commissions and other expenses | $						$ 235,704
Common stock, issued shares						57,825,460	43,749,092
Predecessor
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Number of classes of equity units issued | ClassofEquity				4
Sale of stock, percentage of ownership after transaction				52.30%
Stonebriar Holdings | Predecessor
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of ownership				45.70%
EPRT Management | Predecessor
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Percentage of ownership				2.00%
Change in ownership percentages										0.00%
EPRT Holdings LLC
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Interest received in Operating Partnership						17,913,592		17,913,592	17,913,592
Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued, shares						14,030,000
Common stock, price per share | $ / shares					$ 14.00
Common stock to purchase number of additional shares					4,875,000
Initial Public Offering | Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued, shares		2,772,191	32,500,000
Common shares, par value per share | $ / shares			$ 0.01
Common stock, price per share | $ / shares		$ 14.00	$ 14.00
Proceeds from issuance of shares, net of underwriting discounts and commissions and other expenses | $		$ 458,700
Private Placement | Eldridge Industries, LLC
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Proceeds from concurrent private placement | $						$ 125,000
Common stock, issued shares									43,057,802
Private Placement | Eldridge Industries, LLC | Operating Partnership
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Operating partnership units issued						1,142,960
Private Placement | Common Stock | Eldridge Industries, LLC
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Concurrent private placement of common stock, shares						7,785,611
Follow-On Offering | Common Stock
Organization Consolidation And Presentation Of Financial Statements [Line Items]
Common stock issued, shares	14,030,000
Common shares, par value per share | $ / shares	$ 0.01
Common stock, price per share | $ / shares	$ 17.50
Proceeds from issuance of shares, net of underwriting discounts and commissions and other expenses | $	$ 234,600
Common stock to purchase number of additional shares	1,830,000