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Consolidated financial statements (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Prior period adjustment [Line Items]
Net income attributable to Deluxe	$ 20,459	$ 16,375	$ 31,262	$ 19,127
Out-of-period adjustment [Member]
Prior period adjustment [Line Items]
Net income attributable to Deluxe	$ 1,778

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