PROPERTY PORTFOLIO - Properties Acquired and Disposed (Details) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022 USD ($) property tenant	Sep. 30, 2021 USD ($) property	Sep. 30, 2022 USD ($) state property tenant	Sep. 30, 2021 USD ($) property	Dec. 31, 2021 USD ($)
PROPERTY PORTFOLIO
Number of real estate properties | property	146		146
Acquired intangible liabilities for the below market lease	$ 5,008		$ 5,008		$ 5,476
Gain on Disposition of Assets	$ 11,611	$ 544	$ 27,248	$ 544
Disposal Group, Disposed of by Sale, Not Discontinued Operations
PROPERTY PORTFOLIO
Number of real estate properties disposed	11	1	11	1
Sales price			$ 123,300	$ 3,800
Gain on Disposition of Assets			$ 27,200	$ 500
Single-tenant Net Lease Income Properties Acquired in 2022
PROPERTY PORTFOLIO
Number of real estate properties | property	44		44
Purchase price			$ 145,700
Acquired properties, cost	$ 147,000		$ 147,000
Number of states for leased asset | state			22
Number of tenant for leased property | tenant	17		17
Initial cost of land	$ 37,000		$ 37,000
Initial cost of building and improvements	94,100		94,100
Acquired in-place lease value, leasing fees, and above market lease value	17,600		17,600
Acquired intangible liabilities for the below market lease	$ 1,700		$ 1,700
Weighted average amortization period of intangible liabilities			9 years 2 months 12 days
Single-tenant Net Lease Income Properties Acquired in 2022 | Weighted Average
PROPERTY PORTFOLIO
Remaining lease term at acquisition			8 years 10 months 24 days
Single-tenant Net Lease Income Properties Acquired in 2021
PROPERTY PORTFOLIO
Number of real estate properties | property		42		42
Purchase price				$ 158,700
Acquired properties, cost		$ 160,000		160,000
Initial cost of land		52,100		52,100
Initial cost of building and improvements		89,600		89,600
Acquired in-place lease value, leasing fees, and above market lease value		20,500		20,500
Acquired intangible liabilities for the below market lease		$ 2,200		$ 2,200
Weighted average amortization period of intangible liabilities				8 years 4 months 24 days