INVESTMENT SECURITIES - General Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Nov. 26, 2019	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Marketable Securities [Line Items]
Share purchased		155,665
Purchase price of shares		$ 94,851		$ 513
Equity Method Investments		0	$ 0
Investment in Alpine Income Property Trust, Inc.		$ 42,041	41,037
Alpine Income Property Trust, Inc. Common Stock and Alpine Income Property OP, LP Limited Partnership Units
Marketable Securities [Line Items]
Number of shares owned		2,200,000
Investment in Alpine Income Property Trust, Inc.		$ 42,041	$ 41,037
Investment ownership percentage (as a percent)		14.60%
Common Stock [Member]
Marketable Securities [Line Items]
Share purchased	421,053	979,543	8,088
Purchase price of shares	$ 8,000	$ 2,700	$ 100
Investment in Alpine Income Property Trust, Inc.		$ 18,690	16,511
Investment ownership percentage (as a percent)		6.50%
Alpine Income Property OP, LP Limited Partnership Units
Marketable Securities [Line Items]
Share purchased		1,223,854
Investment in Alpine Income Property Trust, Inc.		$ 23,351	$ 24,526
Investment ownership percentage (as a percent)		8.10%