Segment Information (Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 493,420	$ 521,269
Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	475,869	497,244
Other
Segment Reporting Information [Line Items]
Total from contracts with customers	17,551	24,025
Total revenue	17,551	24,025
SendTech Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	298,055	327,437
Total revenue	298,055	327,437
Presort Services | Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	177,814	169,807
Total revenue	$ 177,814	$ 169,807