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Fair Value - Visa Derivative (Details) - Funding Swap (Visa Derivative) $ in Thousands | Sep. 30, 2019 USD ($) | Sep. 27, 2019 | Jun. 30, 2019 | Dec. 31, 2018 USD ($) | Jun. 28, 2018 | Dec. 31, 2017
--- | --- | --- | --- | --- | --- | ---
Class B restricted shares |  |  |  |  |  |
Fair value |  |  |  |  |  |
Conversion rate |  | 1.6228 | 1.6298 |  | 1.6298 | 1.6483
Fair Value Measurements, Recurring | Level 3 |  |  |  |  |  |
Fair value |  |  |  |  |  |
Derivative Liability | $ 600 |  |  | $ 2,600 |  |
Included in other liabilities | Derivatives Not Designated as Hedging Instruments |  |  |  |  |  |
Fair value |  |  |  |  |  |
Derivative Liability | $ 584 |  |  | $ 2,607 |  |

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