Segment Information (Revenues) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2025 USD ($) segment	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Segment Reporting Information [Line Items]
Number of reportable segments | segment	2
Total revenue	$ 1,892,629	$ 2,026,598	$ 2,078,925
United States
Segment Reporting Information [Line Items]
Total revenue	1,594,983	1,700,864	1,712,079
Outside United States
Segment Reporting Information [Line Items]
Total revenue	297,646	325,734	366,846
Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	1,892,629	2,016,619	2,023,463
Other operations
Segment Reporting Information [Line Items]
Total from contracts with customers	0	9,979	55,462
Total revenue		9,979	55,462
SendTech Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	1,256,001	1,354,032	1,405,864
Total revenue	1,256,001	1,354,032	1,405,864
Presort Services | Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	636,628	662,587	617,599
Total revenue	$ 636,628	$ 662,587	$ 617,599