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v3.20.2

Basis of Presentation and Significant Accounting Policies - Narrative (Detail) $ in Thousands | 6 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2020 USD ($) | Jun. 30, 2019 USD ($) | Mar. 31, 2020 USD ($) | Jan. 08, 2020 data_center | Jan. 01, 2020 USD ($) | Dec. 31, 2019 USD ($) | Mar. 31, 2019 USD ($) | Dec. 31, 2018 USD ($)
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Effective income tax rate, continuing operations | 22.90% | 25.60% |  |  |  |  |  |
Adjustments due to adoption of ASU 2016-13 | $ 10,388,258 | $ 8,749,229 | $ 8,669,294 |  |  | $ 8,840,382 | $ 8,424,788 | $ 7,219,279
Retained Earnings |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Adjustments due to adoption of ASU 2016-13 | 1,642,621 | $ 1,145,580 | $ 1,509,317 |  |  | 1,391,425 | $ 1,002,053 | 889,948
COVID-19 |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Increase in allowance for credit loss COVID-19 | 6,300 |  |  |  |  |  |  |
Payments for one-time bonus and compensation costs COVID-19 | $ 8,600 |  |  |  |  |  |  |
Cumulative adjustment due to adoption of ASU |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Adjustments due to adoption of ASU 2016-13 |  |  |  |  |  | (900) |  | (5,973)
Cumulative adjustment due to adoption of ASU | Retained Earnings |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Adjustments due to adoption of ASU 2016-13 |  |  |  |  | $ 900 | $ (900) |  | $ (5,973)
Axtel |  |  |  |  |  |  |  |
New Accounting Pronouncements or Change in Accounting Principle [Line Items] |  |  |  |  |  |  |  |
Data centers purchased | data_center |  |  |  | 3 |  |  |  |

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