Income Taxes (Details) - USD ($) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
Income Taxes (Details) - USD ($) $ in Thousands	Jul. 31, 2025	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Details of net operating loss carryforwards [Line Items]
Income tax expense		$ (1,796)	$ 628	$ 745	$ 3,939
Effective tax rate (as a percent)		(44.70%)	(12.30%)	(4.40%)	178.60%
Unrecognized tax benefit		$ 4,400		$ 4,400
Reduction due to lapse of applicable statute of limitations				$ 3,800
2020 CARES Act
Details of net operating loss carryforwards [Line Items]
Income taxes refund receivable	$ 33,900
Interest income	$ 5,200

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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+ Details

SYNCHRONOSS TECHNOLOGIES INC 10-Q