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Acquisitions - Schedules of Assets and Liabilities Acquired (Details) - USD ($) $ in Thousands |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 15, 2020 | Jul. 01, 2019 | Mar. 05, 2019 | Jan. 24, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration, net |  |  |  |  | $ 220,704 | $ 882,417 | $ 162,750
Less: |  |  |  |  |  |  |
Recorded goodwill |  |  |  |  | 2,688,138 | 2,441,201 | 1,832,129
Weighted average life |  |  | 7 years |  |  |  |
Acquisition-related intangible amortization |  |  | $ 266,300 |  | $ 171,100 | $ 159,400 | $ 138,200
Customer relationships |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Weighted average life |  |  | 7 years 3 months 18 days |  |  |  |
Developed technologies |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Weighted average life |  |  | 5 years 4 months 24 days |  |  |  |
Trademarks and trade names |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Weighted average life |  |  | 7 years 3 months 18 days |  |  |  |
Original Purchase Agreement |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration, net | $ 383,204 |  |  |  |  |  |
Less: legal settlement | (162,500) |  |  |  |  |  |
Total consideration, net | 220,704 |  |  |  |  |  |
Cash and restricted cash acquired | 232,155 |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Accounts receivable | 14,449 |  |  |  |  |  |
Prepaid and other current assets | 11,660 |  |  |  |  |  |
Property and equipment | 876 |  |  |  |  |  |
Deferred income tax asset | 9,424 |  |  |  |  |  |
Other assets | 4,945 |  |  |  |  |  |
Accounts payable | (16,244) |  |  |  |  |  |
Accrued expenses | (21,898) |  |  |  |  |  |
Restricted cash payable | (186,956) |  |  |  |  |  |
Other current liabilities | (11,376) |  |  |  |  |  |
Deferred income taxes | (20,152) |  |  |  |  |  |
Other liabilities | (3,164) |  |  |  |  |  |
Recorded goodwill | $ 291,884 |  |  |  |  |  |
Weighted average life | 4 years |  |  |  |  |  |
Acquisition-related intangible amortization | $ 147,300 |  |  |  |  |  |
Original Purchase Agreement | Customer relationships |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets | $ 79,923 |  |  |  |  |  |
Weighted average life | 5 years |  |  |  |  |  |
Original Purchase Agreement | Developed technologies |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets | $ 63,125 |  |  |  |  |  |
Weighted average life | 2 years 6 months |  |  |  |  |  |
Original Purchase Agreement | Licensing agreements |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets | $ 4,208 |  |  |  |  |  |
Weighted average life | 6 years 6 months |  |  |  |  |  |
Discovery Benefits, Inc. |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration, net |  |  | $ 300,191 |  |  |  |
Fair value of redeemable non-controlling interest |  |  | 100,000 |  |  |  |
Total consideration, net |  |  | 400,191 |  |  |  |
Cash and restricted cash acquired |  |  | 125,865 |  |  |  |
Less: |  |  |  |  |  |  |
Accounts receivable |  |  | 10,722 |  |  |  |
Property and equipment |  |  | 4,904 |  |  |  |
Other assets |  |  | 13,601 |  |  |  |
Accounts payable |  |  | (3,071) |  |  |  |
Accrued expenses |  |  | (7,563) |  |  |  |
Restricted cash payable |  |  | (125,346) |  |  |  |
Deferred income taxes |  |  | (21,941) |  |  |  |
Other liabilities |  |  | (9,814) |  |  |  |
Recorded goodwill |  |  | 272,399 |  |  |  |
Discovery Benefits, Inc. | Customer relationships |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  |  | 213,600 |  |  |  |
Discovery Benefits, Inc. | Developed technologies |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  |  | 38,900 |  |  |  |
Discovery Benefits, Inc. | Trademarks and trade names |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  |  | $ 13,800 |  |  |  |
Noventis |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration, net |  |  |  | $ 293,767 |  |  |
Cash and restricted cash acquired |  |  |  | 44,947 |  |  |
Less: |  |  |  |  |  |  |
Accounts receivable |  |  |  | 22,134 |  |  |
Property and equipment |  |  |  | 549 |  |  |
Other assets |  |  |  | 2,379 |  |  |
Accounts payable |  |  |  | (33,521) |  |  |
Deferred income taxes |  |  |  | (21,194) |  |  |
Other liabilities |  |  |  | (2,367) |  |  |
Recorded goodwill |  |  |  | $ 209,887 |  |  |
Weighted average life |  |  |  | 7 years 7 months 6 days |  |  |
Acquisition-related intangible amortization |  |  |  | $ 115,900 |  |  |
Noventis | Developed technologies |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  |  |  | $ 15,000 |  |  |
Weighted average life |  |  |  | 2 years 10 months 24 days |  |  |
Noventis | Network Relationships |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  |  |  | $ 100,900 |  |  |
Weighted average life |  |  |  | 8 years 3 months 18 days |  |  |
Go Fuel Card |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |
Total consideration, net |  | $ 260,455 |  |  |  |  |
Cash and restricted cash acquired |  | 5,589 |  |  |  |  |
Less: |  |  |  |  |  |  |
Accrued expenses |  | (420) |  |  |  |  |
Deposits |  | (5,169) |  |  |  |  |
Recorded goodwill |  | $ 118,746 |  |  |  |  |
Weighted average life |  | 8 years 10 months 24 days |  |  |  |  |
Acquisition-related intangible amortization |  | $ 147,300 |  |  |  |  |
Go Fuel Card | Customer relationships |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  | $ 33,963 |  |  |  |  |
Weighted average life |  | 5 years |  |  |  |  |
Go Fuel Card | Network Relationships |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  | $ 112,893 |  |  |  |  |
Weighted average life |  | 10 years 1 month 6 days |  |  |  |  |
Go Fuel Card | Trademarks and trade names |  |  |  |  |  |  |
Less: |  |  |  |  |  |  |
Intangible assets |  | $ 442 |  |  |  |  |
Weighted average life |  | 1 year |  |  |  |  |

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