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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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RELATED PARTY MANAGEMENT SERVICES BUSINESS - General Information (Details) $ / shares in Units, $ in Thousands						3 Months Ended		9 Months Ended		12 Months Ended
	Feb. 17, 2022 $ / shares	Jan. 07, 2022 USD ($) property	Dec. 10, 2021 USD ($)	Oct. 26, 2021 USD ($) $ / shares	Nov. 26, 2019 USD ($) property shares	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) $ / shares shares	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($) property $ / shares
Real Estate [Line Items]
Share purchased \| shares						26,355		126,133
Purchase price of shares						$ 500		$ 2,300
Average price per share \| $ / shares						$ 17.28		$ 17.83
Investment in Alpine Income Property Trust, Inc.						$ 35,260		$ 35,260		$ 41,037
Outstanding Principal						372,334		372,334
Loss on Extinguishment of Debt									$ (641)
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units [Member]
Real Estate [Line Items]
Investment in Alpine Income Property Trust, Inc.						$ 35,260		$ 35,260		41,037
Investment ownership percentage (as a percent)						16.00%		16.00%
Alpine Income Property OP, LP Limited Partnership Units
Real Estate [Line Items]
Number of contributed properties \| property					5
Aggregate of OP units \| shares					1,223,854
Initial value					$ 23,300
Share purchased \| shares								1,223,854
Investment ownership percentage (as a percent)						9.00%		9.00%
Mortgage Notes Payable Under CMBS Portfolio
Real Estate [Line Items]
Outstanding Principal		$ 30,000
Private placement
Real Estate [Line Items]
Share purchased \| shares					394,737
Purchase price of shares					$ 7,500
2022 Acquisitions \| Income Property Single Tenant
Real Estate [Line Items]
Number of real estate properties \| property		1
Sales price		$ 6,900
Land JV
Real Estate [Line Items]
Management fee revenue earned							$ 30	$ 0	90
Management fee revenue earned per month			$ 20
Monthly management fee								$ 20,000	10	10,000
Management Agreement PINE
Real Estate [Line Items]
Percentage of base management fee								0.375%
Management fee (as a percent)								1.50%
Percentage of cumulative annual hurdle rate								8.00%
Amount of threshold incentive fee								$ 0
Percentage of multiply factor								15.00%
Amount of incentive fee										$ 0
Management fee revenue earned						$ 900	900	$ 2,800	2,300
Proceeds from Dividends Received						$ 600	$ 500	$ 1,700	$ 1,500
Alpine
Real Estate [Line Items]
Number of properties sold \| property					15
Aggregate cash consideration					$ 125,900
Share purchased \| shares								950,011
Amount of shares authorized for purchase by the board				$ 5,000
Average price per share \| $ / shares	$ 18.50			$ 17.75						$ 17.65
Alpine \| Mortgage Notes Payable Under CMBS Portfolio
Real Estate [Line Items]
Real estate acquired purchase price										$ 44,500
Number of real estate properties \| property										6
Loss on Extinguishment of Debt		$ (500)
Alpine \| Mortgage Notes Payable Under CMBS Portfolio \| Income Property Single Tenant
Real Estate [Line Items]
Real estate acquired purchase price										$ 11,500
Number of real estate properties \| property										1