Restructuring Activities - Restructuring Expense (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 2,402	$ 5,687
Consulting expense
Restructuring Cost and Reserve [Line Items]
Restructuring expense	803	4,579
Severance
Restructuring Cost and Reserve [Line Items]
Restructuring expense	1,112	169
Total facility, asset impairment and other expense
Restructuring Cost and Reserve [Line Items]
Restructuring expense	487	939
Lease impairment and termination expense
Restructuring Cost and Reserve [Line Items]
Restructuring expense	98	798
Fixed Asset disposal and impairment charges
Restructuring Cost and Reserve [Line Items]
Restructuring expense	151	63
Facility and other expenses
Restructuring Cost and Reserve [Line Items]
Restructuring expense	$ 238	$ 78

- 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.

+ References + Details

HARTE HANKS INC 10-K