PROPERTY PORTFOLIO - Properties Acquired and Disposed (Details) $ in Thousands	3 Months Ended	6 Months Ended
	Jun. 30, 2022 USD ($) property tenant	Jun. 30, 2022 USD ($) state property tenant	Jun. 30, 2021 USD ($) property	Dec. 31, 2021 USD ($)
PROPERTY PORTFOLIO
Number of real estate properties | property	143	143
Acquired intangible liabilities for the below market lease	$ 5,177	$ 5,177		$ 5,476
Gain on Disposition of Assets	$ 15,637	$ 15,637
Disposal Group, Disposed of by Sale, Not Discontinued Operations
PROPERTY PORTFOLIO
Number of real estate properties disposed | property	5	5
Sales price		$ 72,800
Gain on Disposition of Assets		$ 15,600
Disposal Group, Held-for-sale, Not Discontinued Operations
PROPERTY PORTFOLIO
Number of properties held for sale | property	1	1
Single-tenant Net Lease Income Properties Acquired in 2022
PROPERTY PORTFOLIO
Number of real estate properties | property	35	35
Purchase price		$ 109,100
Acquired properties, cost	$ 110,000	$ 110,000
Number of states for leased asset | state		17
Number of tenant for leased property | tenant	12	12
Initial cost of land	$ 31,100	$ 31,100
Initial cost of building and improvements	67,000	67,000
Acquired in-place lease value, leasing fees, and above market lease value	13,100	13,100
Acquired intangible liabilities for the below market lease	$ 1,200	$ 1,200
Weighted average amortization period of intangible liabilities		9 years 8 months 12 days
Single-tenant Net Lease Income Properties Acquired in 2022 | Weighted Average
PROPERTY PORTFOLIO
Remaining lease term at acquisition		9 years 4 months 24 days
Single-tenant Net Lease Income Properties Acquired in 2021
PROPERTY PORTFOLIO
Number of real estate properties | property			23
Purchase price			$ 103,200
Acquired properties, cost			103,800
Initial cost of land			34,100
Initial cost of building and improvements			57,500
Acquired in-place lease value, leasing fees, and above market lease value			13,900
Acquired intangible liabilities for the below market lease			$ 1,500
Weighted average amortization period of intangible liabilities			8 years 3 months 18 days
Number of real estate properties disposed | property			0