Fair Value Measurements (Narrative) (Details) - USD ($) |
Mar. 31, 2020 |
Dec. 31, 2019 |
Dec. 31, 2018 |
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Fair Value Measurements [Abstract] | |||
Fair Value, Assets, Level 1 to Level 2 Transfers, Amount | $ 0 | $ 0 | $ 0 |
Fair Value, Assets, Level 2 to Level 1 Transfers, Amount | 0 | 0 | 0 |
Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount | 0 | 0 | 0 |
Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount | $ 0 | $ 0 | $ 0 |
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- References No definition available.
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- Definition Amount of transfers of assets measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of transfers of assets measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of transfers of liabilities measured on a recurring basis out of Level 1 of the fair value hierarchy into Level 2. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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X | ||||||||||
- Definition Amount of transfers of liabilities measured on a recurring basis out of Level 2 of the fair value hierarchy into Level 1. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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