Summary of Significant Accounting Principles - Additional Information (Details)		3 Months Ended		6 Months Ended
		Jun. 30, 2020 USD ($) Entity	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) Entity Segment	Jun. 30, 2019 USD ($)	Jan. 01, 2020 USD ($)	Dec. 31, 2019 USD ($) Entity
Summary Of Significant Accounting Policies [Line Items]
Percentage of ownership interests in operating partnership		99.40%		99.40%			99.30%
Allowance for loan losses		$ 704,000		$ 704,000		$ 200,000	$ 0
Allowance for loan losses during period		48,000		700,000
Provision for impairment		1,486,000	$ 481,000	1,859,000	$ 1,921,000
Deposits		100,839,000	7,816,000	100,839,000	7,816,000		8,304,000
Deposits in excess of amount insured by FDIC		100,600,000		100,600,000			8,100,000
Adjustment to rental revenue		4,800,000	100,000	5,500,000	100,000
Contingent rent		100,000	200,000	300,000	600,000
Capitalized offering costs		58,000,000.0		58,000,000.0			49,000,000.0
Provision for income tax		0		0
Uncertain tax position, interest or penalties accrued		0		0			0
Liabilities	[1]	888,859,000		888,859,000			773,334,000
Loans and direct financing lease receivables, net		$ 101,007,000		$ 101,007,000			$ 92,184,000
Number of reportable segments | Segment				1
Minimum
Summary Of Significant Accounting Policies [Line Items]
Lease-up period				6 months
Maximum
Summary Of Significant Accounting Policies [Line Items]
Lease-up period				12 months
Operating Partnership Unit
Summary Of Significant Accounting Policies [Line Items]
Award exchange ratio		1		1
Variable Interest Entity Not Primary Beneficiary ("VIEs") | Mortgage Receivable
Summary Of Significant Accounting Policies [Line Items]
Number of variable interest entities | Entity		8		8			7
Liabilities		$ 0		$ 0			$ 0
Loans and direct financing lease receivables, net		66,800,000		66,800,000			$ 60,500,000
Real Estate Investments
Summary Of Significant Accounting Policies [Line Items]
Depreciation		$ 11,600,000	$ 8,500,000	$ 22,900,000	$ 16,300,000
Buildings
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life				40 years
Site Improvements
Summary Of Significant Accounting Policies [Line Items]
Estimated useful life				15 years

[1] The Company’s consolidated balance sheets include assets and liabilities of consolidated variable interest entities (“VIEs”). See Notes 2 and 6. As of June 30, 2020 and December 31, 2019, all of the assets and liabilities of the Company were held by its operating partnership, Essential Properties, L.P., a consolidated VIE, with the exception of $21.5 million and $19.3 million, respectively, of dividends payable.