Revenue Recognition (Narrative) (Details)					3 Months Ended	12 Months Ended
	Dec. 17, 2021 USD ($)	Dec. 18, 2020 USD ($)	Sep. 29, 2020	Jun. 15, 2020	Dec. 31, 2021 USD ($)	Dec. 31, 2022 USD ($) property mi	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Jun. 03, 2021 renewaloption	Oct. 01, 2020 renewaloption	Oct. 01, 2018	Sep. 09, 2016
Revenue, Major Customer [Line Items]
Number of real estate properties | property						57
Number of facilities whose real estate property is included in entity portfolio | property						57
Number Of Miles | mi						60
Revenues						$ 1,311,685,000	$ 1,216,351,000	$ 1,153,165,000
Interest income from real estate loans						$ 0	0	19,130,000
Gaming, food, beverage and other
Revenue, Major Customer [Line Items]
Revenues							$ 109,700,000	$ 103,000,000
Tropicana Entertainment
Revenue, Major Customer [Line Items]
Payments to acquire capital expenditures		$ 5,700,000
Bally's Corporation
Revenue, Major Customer [Line Items]
Number of facilities whose real estate property is included in entity portfolio | property						6
PA Live! Master Lease
Revenue, Major Customer [Line Items]
Number of facilities whose real estate property is included in entity portfolio | property						2
Casino Queen
Revenue, Major Customer [Line Items]
Number of facilities whose real estate property is included in entity portfolio | property						2
Penn National Gaming Inc. Master Lease
Revenue, Major Customer [Line Items]
Number of real estate properties | property						19
Annual rent escalator						2.00%
Lessor leasing arrangements, operating lease, renewal term						5 years
Penn National Gaming Inc. Master Lease | All Properties Under Master Lease, Except Hollywood Casino Columbus and Hollywood Casino Toledo
Revenue, Major Customer [Line Items]
Operating leases, frequency the property performance-based rent structure is adjusted						5 years
Operating leases, percent of the average net revenues of property used to calculate rent increase						4.00%
Lessor Leasing Arrangements Period Used in Calculation of Average Net Revenues						5 years
Penn National Gaming Inc. Master Lease | Hollywood Casino Columbus and Hollywood Casino Toledo
Revenue, Major Customer [Line Items]
Percentage of the change in net revenues from the preceding month (of 2 facilities under the Master Lease) used for adjustment in rent structure						20.00%
Amended Pinnacle Entertainment, Inc. Master Lease
Revenue, Major Customer [Line Items]
Number of real estate properties | property						12
Annual rent escalator						2.00%
Operating leases, frequency the property performance-based rent structure is adjusted						2 years
Operating leases, percent of the average net revenues of property used to calculate rent increase						4.00%
Lessor Leasing Arrangements Period Used in Calculation of Average Net Revenues						2 years
Lessor leasing arrangements, term of contract including all reasonably assured renewal periods						10 years
Lessor leasing arrangements, operating leases, term of contract						10 years
Eldorado Master Lease
Revenue, Major Customer [Line Items]
Number of real estate properties | property						6
Boyd Gaming Corporation Master Lease
Revenue, Major Customer [Line Items]
Number of real estate properties | property						3
Annual rent escalator						2.00%
Operating leases, frequency the property performance-based rent structure is adjusted						2 years
Operating leases, percent of the average net revenues of property used to calculate rent increase						4.00%
Lessor Leasing Arrangements Period Used in Calculation of Average Net Revenues						2 years
Lessor leasing arrangements, operating lease, renewal term						5 years
Lessor leasing arrangements, operating leases, term of contract						10 years
Lessor leasing arrangements operating leases number of renewal options | property						5
Amended and Restated Caesars Master Lease
Revenue, Major Customer [Line Items]
Lessor leasing arrangements, operating lease, renewal term				20 years
Operating Lease, Rent Escalator, Year 5 and Year 6				1.25%
Operating Lease, Rent Escalator, Year 7 and Year 8				1.75%
Operating Lease, Rent Escalator, After Year 9				2.00%
Lessor leasing arrangements, operating leases, term of contract				20 years							15 years
Noncash or Part Noncash Acquisition, Gain (Loss) on Assets Acquired					$ 41,400,000
Belterra Park Lease
Revenue, Major Customer [Line Items]
Annual rent escalator						2.00%
Operating leases, percent of the average net revenues of property used to calculate rent increase						4.00%
Operating Leases, Percentage to Which Rent Escalation Will be Reduced Upon Achievement of Certain Threshold						200.00%
Lumiere Place Lease
Revenue, Major Customer [Line Items]
Operating Lease, rent Escalator, Year 2 through 5			1.25%
Operating Lease, Rent Escalator, Year 6 and 7			1.75%
Operating Lease, Rent Escalator, Year 8 and After			2.00%
Penn National Gaming, Inc. Meadows Lease
Revenue, Major Customer [Line Items]
Annual rent escalator						5.00%
Operating leases, frequency the property performance-based rent structure is adjusted						2 years
Operating leases, percent of the average net revenues of property used to calculate rent increase						4.00%
Operating Leases, Annual Rent Escalator Over a Period of Time Contingent Upon the Achievement of Certain Rent Coverage Ratio Threshold, Percentage						5.00%
Operating Leases, Period Existing Upon Triggering Annual Rent Escalator Re-set						10 years
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 31,000,000
Operating Leases, Percentage to Which Rent Escalation Will be Reduced Upon Achievement of Certain Threshold						2.00%
Lessor leasing arrangements, operating leases, term of contract						10 years						10 years
Morgantown Lease
Revenue, Major Customer [Line Items]
Annual rent escalator						1.50%
Lessor leasing arrangements, operating lease, renewal term										5 years
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 3,000,000
Lessor leasing arrangements, operating leases, term of contract										20 years
Lessor leasing arrangements operating leases number of renewal options | renewaloption										6
Casino Queen Lease
Revenue, Major Customer [Line Items]
Lessor leasing arrangements, operating lease, renewal term											5 years
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set	$ 21,400,000					$ 21,400,000
Operating Lease, Rent Escalator, Year 1 through 6						0.50%
Operating Lease, Rent Escalator, Year 7 and After						1.25%
Lessor leasing arrangements, operating leases, term of contract	15 years					15 years
Lessor leasing arrangements operating leases number of renewal options | renewaloption									4
Perryville Lease
Revenue, Major Customer [Line Items]
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 7,770,000
Operating Lease, Rent Escalator, Year 2 through 4						150.00%
Operating Lease, Rent Escalator, Year 5 and after						1.25%
Bally's Master Lease
Revenue, Major Customer [Line Items]
Annual rent escalator						2.00%
Lessor leasing arrangements, operating lease, renewal term									5 years
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 40,000,000
Lessor leasing arrangements, operating leases, term of contract						15 years
Lessor leasing arrangements operating leases number of renewal options | renewaloption									4
Live! Casino Maryland Lease
Revenue, Major Customer [Line Items]
Annual rent escalator						1.75%
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 75,000,000
Lessor leasing arrangements, operating leases, term of contract						39 years
PA Live! Master Lease
Revenue, Major Customer [Line Items]
Annual rent escalator						1.75%
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 50,000,000
Bally's Tropicana Las Vegas
Revenue, Major Customer [Line Items]
Operating Leases, Amount of Rent Available Upon Triggering Annual Rent Escalator Re-set						$ 10,500,000