Investments, Equity Method and Joint Ventures (Details) - USD ($)	3 Months Ended			12 Months Ended
	Dec. 31, 2025	Mar. 31, 2024	Sep. 30, 2023	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Sep. 30, 2024	Jun. 30, 2023	Jan. 01, 2023	Jun. 30, 2021
Schedule of Equity Method Investments [Line Items]
Equity Securities without Readily Determinable Fair Value, Impairment Loss, Annual Amount				$ (92,000)	$ (225,000)	$ (502,000)
Equity Method Investment, Common Share Interest			10.00%
Equity Securities, FV-NI, Gain (Loss)				0	0	614,000
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses)			$ 200,000
Purchases of cost method investments				0	0	4,941,000
Investment Owned, at Fair Value	$ 0	$ 0	400,000	0	0	0
Impairment of investment		400,000	300,000	948,000	400,000	300,000
Gain (Loss) on Investments				0	$ 0	614,000
Interest in investment									4.90%
Proceeds from dissolution of investment	0
Investment Interest Rate					6.60%
Equity Securities, FV-NI, Gain (Loss)				0	$ 0	614,000
Equity Method Investments, Fair Value Disclosure										$ 3,600,000
Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses)			200,000
Investment Owned, at Fair Value	0	0	400,000	0	0	0
Purchases of cost method investments				0	0	4,941,000
Equity Method Investment, Underlying Equity in Net Assets										$ 2,200,000
Impairment of investment		$ 400,000	300,000	948,000	400,000	300,000
Translation Adjustment Functional to Reporting Currency, Net of Tax, Period Increase (Decrease)				100,000	200,000	500,000
eFinancial Careers [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity			300,000
Investment Owned, at Fair Value	1,000,000.0			1,000,000.0	1,800,000
Impairment of investment	900,000
Investment Owned, at Fair Value	1,000,000.0			$ 1,000,000.0	1,800,000
Equity Method Investment, Difference Between Carrying Amount and Underlying Equity			300,000
Impairment of investment	$ 900,000
eFinancial Careers [Member] \| Valuation Technique, Discounted Cash Flow
Schedule of Equity Method Investments [Line Items]
Equity method investment, valuation approach and technique, weighting percentage	75.00%			75.00%
eFinancial Careers [Member] \| Valuation Technique, Price of Comparable Business
Schedule of Equity Method Investments [Line Items]
Equity method investment, valuation approach and technique, weighting percentage	12.50%			12.50%
eFinancial Careers [Member] \| Valuation Technique, Guideline Transaction
Schedule of Equity Method Investments [Line Items]
Equity method investment, valuation approach and technique, weighting percentage	12.50%			12.50%
eFinancial Careers [Member] \| Measurement Input, Discount Rate
Schedule of Equity Method Investments [Line Items]
Equity method investment. measurement input	0.221			0.221
Other Investment - Tech Skills Assessment Company
Schedule of Equity Method Investments [Line Items]
Gain (Loss) on Investments				$ 0	$ 0	$ 0
eFinancial Careers [Member]
Schedule of Equity Method Investments [Line Items]
Equity Method Investment, Common Share Interest							10.00%	40.00%
Purchases of cost method investments			4,900,000
Debt and Equity Securities, Unrealized Gain (Loss)			600,000
Debt and Equity Securities, Unrealized Gain (Loss)			600,000
Purchases of cost method investments			$ 4,900,000

DHI GROUP, INC. 10-K