Equity - Additional Information (Details) - USD ($)						1 Months Ended	6 Months Ended	9 Months Ended	12 Months Ended
	Jul. 24, 2018	Jun. 25, 2018	Jan. 31, 2018	Dec. 31, 2017	Jan. 31, 2017	Jul. 20, 2018	Dec. 31, 2018	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017	Jun. 21, 2018	Jun. 20, 2018
Class Of Stock [Line Items]
Distributions paid represented as taxable income, percentage							58.90%
Distributions paid represented as return of capital, percentage							41.10%
Direct capital contributions								$ 288,600,000
Indirect capital contributions								$ 163,100,000
Additional indirect capital contributions					$ 17,300,000
Direct equity contribution			$ 50,000,000	$ 181,402,000			$ 562,179,000		$ 562,179,000	$ 181,402,000
Price per unit					$ 1,000
Compound interest rate percentage					8.00%
Issuance of new grant of unvested shares				500						11,550
Proceeds to repay of outstanding principal			$ 50,000,000
EPRT Holdings LLC
Class Of Stock [Line Items]
Direct equity contribution					$ 80,000,000
Interest received in Operating Partnership							17,913,592		17,913,592		17,913,592	17,913,592
EPRT Management and Certain Members of EPRT LLC's Board of Managers
Class Of Stock [Line Items]
Direct equity contribution					3,700,000
Retention of equity investment in subsidiary					$ 91,500,000
Common Stock
Class Of Stock [Line Items]
Initial public offering, shares							35,272,191
Common stock, price per share						$ 14.00
Concurrent private placement shares							7,785,611
Common stock to purchase number of additional shares						4,875,000
Net proceeds from IPO and concurrent private placement	$ 583,700,000
Common Stock | 2018 Equity Incentive Plan | Directors, Executive Officers and Other Employees
Class Of Stock [Line Items]
Restricted shares issued		691,290
Common Stock | Initial Public Offering
Class Of Stock [Line Items]
Initial public offering, shares	2,772,191	32,500,000
Common stock, price per share	$ 14.00	$ 14.00
Common Stock | Over-allotment Option
Class Of Stock [Line Items]
Initial public offering, shares	2,772,191
Eldridge Industries, LLC | Private Placement
Class Of Stock [Line Items]
Common stock, price per share		$ 14.00
Underwriting discounts or commissions		$ 0
Eldridge Industries, LLC | Operating Partnership Unit | Private Placement
Class Of Stock [Line Items]
Common stock, price per share		$ 14.00
Operating partnership units issued		1,142,960							1,142,960
Eldridge Industries, LLC | Common Stock | Private Placement
Class Of Stock [Line Items]
Concurrent private placement shares		7,785,611