Fair Value Measurements (Narrative) (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
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| Fair Value Measurements [Abstract] | ||
| Transfers to level 1 | $ 0 | $ 0 |
| Transfers to level 2 | 0 | 0 |
| Transfers to Level 3 | $ 0 | $ 0 |
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- References No definition available.
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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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- 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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| X | ||||||||||
- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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