Related Party Transactions (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Jun. 30, 2025	Sep. 30, 2025
Related Party Transaction [Line Items]
Recovery of short swing profits, net of tax	$ 0	$ 838	$ 800
Related Party
Related Party Transaction [Line Items]
Net cash provided by (used in) financing activities			1,100
Increase to additional paid-in capital			$ 300

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.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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+ Details

HARTE HANKS INC 10-Q