Debt Instruments, Interest Rate, Paid in Kind

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- Definition

Disposal Group, Including Discontinued Operation, Earn-out Consideration Received

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Lessee, Operating Lease, Final Monthly Lease Payment

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Lessee, Operating Lease, Initial Monthly Lease Payment

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Related Party, Number Of Shared Board Members

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- Definition

The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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The price per share of the conversion feature embedded in the debt instrument.

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Face (par) amount of debt instrument at time of issuance.

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- Definition

Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount of income (loss) for proportionate share of equity method investee's income (loss).

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- Definition

Amount after accretion (amortization) of discount (premium), and investment expense, of interest income and dividend income on nonoperating securities.

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The equity interest of noncontrolling shareholders, partners or other equity holders in consolidated entity.

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The parent entity's interest in net assets of the subsidiary, expressed as a percentage.

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Cash received for commissions during the current period.

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Amount of transactions with related party during the financial reporting period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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RELATED PARTY TRANSACTIONS (Details)			1 Months Ended	12 Months Ended
RELATED PARTY TRANSACTIONS (Details)	Dec. 20, 2024 USD ($)	Jul. 02, 2024 USD ($) $ / shares	May 31, 2022 USD ($)	Dec. 31, 2024 USD ($) board_member $ / shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2020
Related Party Transaction [Line Items]
Investment and other income				$ 5,289,000	$ 633,000	$ 3,429,000
Number of shared board members \| board_member				3
Equity in earnings (losses) from equity-method investments				$ 36,000	(168,000)	(563,000)
Senior Secured Convertible Notes Due July 2029 \| Convertible Debt
Related Party Transaction [Line Items]
Debt issued		$ 50,000
Interest rate		7.00%		7.00%
Paid-in-kind interest		8.00%
Conversion price (in dollars per share) \| $ / shares		$ 1.50
Directors \| Senior Secured Convertible Notes Due July 2029 \| Convertible Debt
Related Party Transaction [Line Items]
Debt issued				$ 50,000,000
Interest rate				7.00%
Paid-in-kind interest				8.00%
Conversion price (in dollars per share) \| $ / shares				$ 1.50
Entity Sold In 2019
Related Party Transaction [Line Items]
Earn-out payment			$ 654,000
Equity in earnings (losses) from equity-method investments						654,000
Entity Sold In 2019 \| Entity Sold In 2019
Related Party Transaction [Line Items]
Ownership percentage							50.00%
Entity Sold In 2019 \| Entity Sold In 2019 \| Directors
Related Party Transaction [Line Items]
Non-controlling interest							50.00%
Douglas Elliman Realty, LLC
Related Party Transaction [Line Items]
Proceeds from commissions received				$ 17,068,000	1,766,000	1,709,000
Vector Group Ltd. \| Transition Services Agreement
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction				4,084,000	4,200,000	4,200,000
Vector Group Ltd. \| Aviation Agreements
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction				1,830,000	2,124,000	2,418,000
Vector Group Ltd. \| Tax Indemnifications
Related Party Transaction [Line Items]
Investment and other income						589,000
Douglas Elliman Realty, LLC \| Commissions paid to son \| President and Chief Executive Officer family
Related Party Transaction [Line Items]
Expenses from transactions with related party				767,000	1,570,000	1,490,000
Douglas Elliman Realty, LLC \| Commissions paid to spouse \| President and Chief Executive Officer family
Related Party Transaction [Line Items]
Expenses from transactions with related party				147,000	329,000	230,000
Douglas Elliman Realty, LLC \| Commissions Paid To Son Of Executive Vice President and Chief Operating Officer \| President and Chief Executive Officer family
Related Party Transaction [Line Items]
Expenses from transactions with related party				$ 303,000	$ 369,000	$ 352,000
Dr. Phillip Frost \| Beneficial owner (more than)
Related Party Transaction [Line Items]
Initial monthly lease payments	$ 43,000
Final monthly lease payments	$ 48,000
Dr. Phillip Frost \| Douglas Elliman \| Beneficial owner (more than)
Related Party Transaction [Line Items]
Non-controlling interest	5.00%