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MANAGEMENT SERVICES BUSINESS - General Information (Details) $ / shares in Units, $ in Thousands		3 Months Ended		9 Months Ended		12 Months Ended			64 Months Ended
	Nov. 26, 2019 USD ($) property shares	Mar. 31, 2025 USD ($)	Mar. 31, 2024 USD ($)	Dec. 31, 2024 USD ($) $ / shares shares	Sep. 30, 2023 USD ($) $ / shares shares	Dec. 31, 2024 USD ($)	Dec. 31, 2022 USD ($) $ / shares shares	Dec. 31, 2021 USD ($) $ / shares shares	Mar. 31, 2025 USD ($) shares	Dec. 31, 2023 USD ($)	Dec. 12, 2023 USD ($)	Feb. 16, 2023 USD ($)	Oct. 26, 2021 USD ($)
MANAGEMENT SERVICES BUSINESS
Purchase price of shares			$ 2,064
Investment in Alpine Income Property Trust, Inc.		$ 39,501		$ 39,666		$ 39,666			$ 39,501
Management Fee Income
MANAGEMENT SERVICES BUSINESS
Revenue		1,178	1,105
Management Fee Income | Portfolio Management Agreement | Maximum [Member]
MANAGEMENT SERVICES BUSINESS
Revenue		100	100
Management Fee Income | Asset Management Agreement | Maximum [Member]
MANAGEMENT SERVICES BUSINESS
Revenue		100	100
Private Placement [Member]
MANAGEMENT SERVICES BUSINESS
Share purchased | shares	394,737
Purchase price of shares	$ 7,500
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units
MANAGEMENT SERVICES BUSINESS
Investment in Alpine Income Property Trust, Inc.		$ 39,501		39,666		39,666			$ 39,501
Investment ownership percentage (as a percent)		15.10%							15.10%
Alpine Income Property OP, LP Limited Partnership Units
MANAGEMENT SERVICES BUSINESS
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 in Alpine Income Property Trust, Inc.		$ 20,463		$ 20,549		20,549			$ 20,463
Investment ownership percentage (as a percent)		7.80%							7.80%
Common Stock
MANAGEMENT SERVICES BUSINESS
Share purchased | shares	421,053			29,807	129,271		155,665	8,088	1,138,621
Purchase price of shares	$ 8,000			$ 400	$ 2,100		$ 2,700	$ 100
Investment in Alpine Income Property Trust, Inc.		$ 19,038		$ 19,117		19,117			$ 19,038
Investment ownership percentage (as a percent)		7.30%							7.30%
Investee | Alpine Income Property Trust, Inc.
MANAGEMENT SERVICES BUSINESS
Incentive fee income						$ 0
Management Agreement PINE
MANAGEMENT SERVICES BUSINESS
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%
Management fee revenue earned		$ 1,100	1,000
Dividends received		700	600
Alpine
MANAGEMENT SERVICES BUSINESS
Number of properties sold | property	15
Aggregate cash consideration	$ 125,900
Amount of shares authorized for purchase by the board		$ 0	$ 0						$ 0	$ 0	$ 2,000	$ 2,100	$ 5,000
Average price per share | $ / shares				$ 14.97	$ 16.21		$ 17.57	$ 17.65

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