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Acquisition and divestitures (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended | 9 Months Ended
--- | --- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Feb. 02, 2026 | Sep. 30, 2025 | Sep. 30, 2024
Acquisition and Divestitures [Line Items] |  |  |  |  |  |
Payments for acquisition |  |  |  |  | $ 12,100 | $ 0
Goodwill impairment charge |  | $ 0 | $ 6,700 |  | 0 | 6,700
Gain on sale of businesses and long-lived assets |  | 0 | 5,208 |  | 0 | 29,190
Proceeds from sale of businesses and long-lived assets |  |  |  |  | 1,968 | 18,321
Payroll and human resource services business [Member] |  |  |  |  |  |
Acquisition and Divestitures [Line Items] |  |  |  |  |  |
Goodwill impairment charge |  |  | $ 6,700 |  |  |
Gain on sale of businesses and long-lived assets |  |  |  |  | 0 | 28,190
Proceeds from sale of businesses and long-lived assets |  |  |  |  | $ 1,968 | 18,321
Small business distributor customer list [Member] |  |  |  |  |  |
Acquisition and Divestitures [Line Items] |  |  |  |  |  |
Gain on sale of businesses and long-lived assets |  |  |  |  |  | 1,000
Proceeds from sale of businesses and long-lived assets | [1] |  |  |  |  | $ 0
Lockbox network [Member] | CheckMatch [Member] |  |  |  |  |  |
Acquisition and Divestitures [Line Items] |  |  |  |  |  |
Acquired intangibles |  | $ 14,100 |  |  |  |
Acquired intangibles, weighted-average useful life (in years) |  | 10 years |  |  |  |
Customer lists/relationships [Member] | CheckMatch [Member] |  |  |  |  |  |
Acquisition and Divestitures [Line Items] |  |  |  |  |  |
Acquired intangibles |  | $ 10,500 |  |  |  |
Acquired intangibles, weighted-average useful life (in years) |  | 7 years |  |  |  |
Forecast [Member] | CheckMatch [Member] |  |  |  |  |  |
Acquisition and Divestitures [Line Items] |  |  |  |  |  |
Payments for acquisition |  |  |  | $ 24,600 |  |
[1] | A note receivable was executed in conjunction with this sale. No cash proceeds were received.

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