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ACQUISITIONS (Details) $ in Thousands |  | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jun. 01, 2021 USD ($) | Dec. 31, 2020 USD ($) | Sep. 30, 2020 USD ($) | Jun. 30, 2020 USD ($) | Mar. 31, 2020 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 USD ($) business
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Acquisition transaction costs |  |  |  |  |  |  |  | $ 18,913 | $ 8 | $ 215
Payments for acquisition, net of cash, cash equivalents, restricted cash and restricted cash equivalents acquired |  |  |  |  |  |  |  | 958,514 | 0 | 8,251
Goodwill |  |  |  |  |  |  |  | 727,173 |  |
Intangible assets |  |  |  |  |  |  |  | 384,655 | 84,814 | 61,762
Revenue |  |  | $ 454,492 | $ 439,461 | $ 410,405 | $ 486,423 |  | 2,022,197 | 1,790,781 | 2,008,715
Net income (loss) attributable to Deluxe |  |  | $ 24,663 | $ 29,417 | $ 14,859 | $ (63,695) |  | 62,633 | 5,244 | (223,779)
Pro forma revenue |  |  |  |  |  |  |  | 2,182,648 | 2,082,130 |
Pro forma net income (loss) attributable to Deluxe |  |  |  |  |  |  |  | 64,705 | (45,407) |
Customer lists/relationships [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets | [1] |  |  |  |  |  |  | 149,642 | 45,470 | 17,771
Partner relationships [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | 73,095 | 0 | 0
Technology-based intangibles [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | 65,000 | 0 | 0
Trade names [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | 21,000 | 0 | 0
Internal-use software [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  | 75,918 | $ 39,344 | $ 43,991
First American [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Payments for acquisition, net of cash, cash equivalents, restricted cash and restricted cash equivalents acquired |  |  |  |  |  |  |  | 958,514 |  |
Goodwill |  | $ 727,173 |  |  |  |  |  | 727,173 |  |
Intangibles, purchase accounting adjustments |  |  |  |  |  |  | $ 15,694 |  |  |
Goodwill, purchase accounting adjustment |  |  |  |  |  |  | (9,135) |  |  |
Trade accounts receivable |  | 27,296 |  |  |  |  |  |  |  |
Other current assets |  | 8,533 |  |  |  |  |  |  |  |
Property, plant and equipment |  | 9,873 |  |  |  |  |  |  |  |
Operating lease assets |  | 24,396 |  |  |  |  |  |  |  |
Intangible assets |  | 291,111 |  |  |  |  |  |  |  |
Other non-current assets |  | 350 |  |  |  |  |  |  |  |
Accounts payable |  | (18,475) |  |  |  |  |  |  |  |
Funds held for customers |  | (9,428) |  |  |  |  |  |  |  |
Accrued liabilities |  | (23,460) |  |  |  |  |  |  |  |
Operating lease liabilities, non-current |  | (21,316) |  |  |  |  |  |  |  |
Deferred income taxes |  | (53,163) |  |  |  |  |  |  |  |
Other non-current liabilities |  | (4,376) |  |  |  |  |  |  |  |
Cash, cash equivalents, restricted cash and restricted cash equivalents acquired |  | 15,841 |  |  |  |  |  |  |  |
Revenue |  |  |  |  |  |  |  | 194,976 |  |
Net income (loss) attributable to Deluxe |  |  |  |  |  |  |  | $ 1,806 |  |
First American [Member] | Deferred revenue [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Deferred revenue, purchase accounting adjustment |  |  |  |  |  |  | $ 3,027 |  |  |
First American [Member] | Customer lists/relationships [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | 127,000 |  |  |  |  |  |  |  |
First American [Member] | Partner relationships [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | 72,000 |  |  |  |  |  |  |  |
First American [Member] | Technology-based intangibles [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | 65,000 |  |  |  |  |  |  |  |
First American [Member] | Trade names [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | 21,000 |  |  |  |  |  |  |  |
First American [Member] | Internal-use software [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  | $ 6,111 |  |  |  |  |  |  |  |
2019 acquisitions [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Number of businesses acquired | business |  |  |  |  |  |  |  |  |  | 2
Total aggregate purchase price |  |  |  |  |  |  |  |  |  | $ 10,000
2019 acquisitions [Member] | Customer lists/relationships [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Intangible assets |  |  |  |  |  |  |  |  |  | 5,815
Remittance processing business of Fiserv, Inc. [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill |  |  |  |  |  |  |  |  |  | 4,174
2018 acquisitions [Member] |  |  |  |  |  |  |  |  |  |
Acquisitions [Line Items] |  |  |  |  |  |  |  |  |  |
Goodwill, purchase accounting adjustment |  |  |  |  |  |  |  |  |  | (1,749)
Adjustment to purchase price for previous acquisition |  |  |  |  |  |  |  |  |  | $ (1,749)
[1] | We acquired customer lists that did not qualify as business combinations of $22,642 during 2021, $45,470 during 2020 and $11,956 during 2019.

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