Commitments and Contingencies - Narrative (Details)					1 Months Ended	12 Months Ended		60 Months Ended	138 Months Ended
	Feb. 14, 2020 USD ($)	Aug. 30, 2019 nursing_center	Oct. 01, 2018 nursing_center lease_extension	Nov. 01, 2016 lease_extension	Feb. 29, 2020 USD ($)	Dec. 31, 2020 USD ($) lawsuit Multiple nursing_center	Dec. 31, 2019 USD ($)	Dec. 31, 2008	Dec. 31, 2019 USD ($)	Sep. 30, 2020 nursing_center	Oct. 01, 2019	Aug. 30, 2019 facility	Aug. 30, 2019 lease_extension	Oct. 01, 2016 nursing_center
Commitments and Contingencies [Line Items]
Operating lease cost						$ 54,001,000	$ 52,990,000
Accrued liability related to straightline rent						$ 12,382,000	9,325,000		$ 9,325,000
Number of nursing center facilities leased | nursing_center			34			46
Number of skilled nursing centers under lease | nursing_center			23
Operating lease, initial term		12 years	12 years
Operating lease, number of lease extensions allowed | lease_extension			2										2
Operating lease, extension period		10 years	10 years
Operating lease, annual lease fixed escalators, percent			2.15%								2.15%
Number of nursing center facilities terminated | nursing_center										10
Estimated insurance recoveries						$ 1,025,000	1,011,000		1,011,000
Cash expenditures for self-insured professional liability costs						5,514,000	4,578,000
Liability for workers compensation claims						1,039,000	921,000		921,000
Workers compensation insurance, non current receivable for excess premiums paid						2,050,000	1,575,000		1,575,000
Health insurance, maximum self-insured annual amount per individual						$ 200,000
Salary multiple | Multiple						2
Renewal period for employee agreements						1 year
Number of professional liability lawsuits | lawsuit						79
Number of professional liability lawsuits, | nursing_center						36
Government settlement expense						$ 0	3,100,000
Government settlement accrual						8,000,000	9,000,000		9,000,000
Duration of alleged breaches of statutory and contractual obligations to patents								5 years
Violations of False Claims Act
Commitments and Contingencies [Line Items]
Government settlement expense					$ 9,500,000
Initial payment requirement, amount	$ 500,000
Settlement, payment period					5 years
Settlement agreement outstanding balance						9,000,000
Settlement agreement ,other current liabilities						1,000,000
Government settlement accrual						$ 8,000,000
Settlement agreement, term					5 years
Scheduled for trial or arbitration over next 12 months
Commitments and Contingencies [Line Items]
Number of professional liability lawsuits | lawsuit						22
Professional malpractice liability insurance
Commitments and Contingencies [Line Items]
Insurance policy coverage limits per claim						$ 1,000,000
Workers compensation insurance, maximum annual aggregate self-insured amount						3,000,000
Maximum claim amount on insurance						5,000,000
Liability for reported and estimated future claims						24,744,000	27,390,000		27,390,000
Prefunded deductible policy
Commitments and Contingencies [Line Items]
Insurance policy coverage limits per claim									500,000
Professional liability insurance, annual coverage limit per facility									3,000,000
Liability for reported claims and estimates for incurred but unreported claims						$ 2,358,000	$ 1,810,000		$ 1,810,000
Minimum
Commitments and Contingencies [Line Items]
Employee termination agreement term						1 year
Maximum
Commitments and Contingencies [Line Items]
Maximum contingent liability						$ 1,500,000
Employee termination agreement term						3 years
Golden Living | Amended lease
Commitments and Contingencies [Line Items]
Term of lease				10 years
Annual rent increase, as a percent				2.00%
Golden Living | Mississippi
Commitments and Contingencies [Line Items]
Number of nursing center facilities leased | nursing_center														8
Golden Living | Alabama
Commitments and Contingencies [Line Items]
Number of nursing center facilities leased | nursing_center														12
Golden Living
Commitments and Contingencies [Line Items]
Operating lease, number of lease extensions allowed | lease_extension				2
Operating lease, extension period				5 years
Number of nursing center facilities owned | nursing_center						20
Omega Healthcare Investors, Inc
Commitments and Contingencies [Line Items]
Number of nursing center facilities leased | nursing_center			11
Annual capital expenditure per licensed bed						$ 403
Total required capital expenditures during remaining lease term						10,118,000
Letters of credit security deposit for a lease						5,447,000
Golden Living Master Lease [Member]
Commitments and Contingencies [Line Items]
Annual capital expenditure per licensed bed						530
Total required capital expenditures during remaining lease term						5,432,000
Golden Living Master Lease [Member] | Letter of credit
Commitments and Contingencies [Line Items]
Letters of credit security deposit for a lease						$ 6,610,000
Kentucky Properties | Discontinued Operations
Commitments and Contingencies [Line Items]
Number of nursing center facilities terminated		10										10