Fair Value Measurement - Textuals (Details) - USD ($) |
Dec. 31, 2019 |
Dec. 31, 2018 |
|---|---|---|
| Derivative and Financial Instruments [Abstract] | ||
| Obligations to return cash collateral | $ 4,000,000 | $ 0 |
| Rights to reclaim cash collateral | $ 12,000,000 | $ 10,000,000 |
| X | ||||||||||
- Definition Amount of obligation to return cash collateral under master netting arrangements that have not been offset against derivative assets. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of right to receive cash collateral under master netting arrangements that have not been offset against derivative liabilities. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- References No definition available.
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