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Summary of Significant Accounting Policies - Schedule of Changes in Carrying Value of Goodwill, by Reportable Operating Segment (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Gross amount of goodwill [Roll Forward] |  |
Beginning balance | $ 4,441,030 | $ 4,070,267
Deductible goodwill acquired during the year | 16,450 | 9,895
Non-deductible goodwill acquired during the year | 13,132 | 467,703
Fair value and other adjustments | 4,280 | 4,469
Currency effects | 10,317 | (110,102)
Ending balance | 4,485,209 | 4,441,030
Accumulated goodwill impairment | 135,420 | 135,420
Accounting adjustments | 4,942 | (2,717)
Cash paid for previous acquisition |  | 7,186
Cash received related to certain acquisitions | 662 |
Global RIM Business |  |
Gross amount of goodwill [Roll Forward] |  |
Beginning balance | 3,899,210 | 3,964,114
Deductible goodwill acquired during the year | 16,450 | 3,251
Non-deductible goodwill acquired during the year | 11,228 | 34,230
Fair value and other adjustments | 4,439 | 3,860
Currency effects | 11,574 | (105,043)
Ending balance | 3,942,901 | 3,899,210
Accumulated goodwill impairment | 132,409 | 132,409
Global Data Center Business |  |
Gross amount of goodwill [Roll Forward] |  |
Beginning balance | 425,956 | 0
Deductible goodwill acquired during the year | 0 | 0
Non-deductible goodwill acquired during the year | 0 | 429,853
Fair value and other adjustments | 258 | 0
Currency effects | (1,646) | (3,897)
Ending balance | 424,568 | 425,956
Accumulated goodwill impairment | 0 | 0
Corporate and Other Business |  |
Gross amount of goodwill [Roll Forward] |  |
Beginning balance | 115,864 | 106,153
Deductible goodwill acquired during the year | 0 | 6,644
Non-deductible goodwill acquired during the year | 1,904 | 3,620
Fair value and other adjustments | (417) | 609
Currency effects | 389 | (1,162)
Ending balance | 117,740 | 115,864
Accumulated goodwill impairment | $ 3,011 | 3,011
Disposal Group, Not Discontinued Operations | IMFS |  |
Gross amount of goodwill [Roll Forward] |  |
Goodwill allocated to IMFS Divestment (see Note 13) |  | (1,202)
Disposal Group, Not Discontinued Operations | IMFS | Global RIM Business |  |
Gross amount of goodwill [Roll Forward] |  |
Goodwill allocated to IMFS Divestment (see Note 13) |  | (1,202)
Disposal Group, Not Discontinued Operations | IMFS | Global Data Center Business |  |
Gross amount of goodwill [Roll Forward] |  |
Goodwill allocated to IMFS Divestment (see Note 13) |  | 0
Disposal Group, Not Discontinued Operations | IMFS | Corporate and Other Business |  |
Gross amount of goodwill [Roll Forward] |  |
Goodwill allocated to IMFS Divestment (see Note 13) |  | $ 0

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