Fair Value Measurements - Additional Information (Details) - USD ($) |
9 Months Ended | |
---|---|---|
Sep. 30, 2018 |
Sep. 30, 2017 |
|
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Abstract] | ||
Fair value assets transferred from level 1 to level 2 | $ 0 | $ 0 |
Fair value assets transferred from level 2 to level 1 | 0 | 0 |
Fair value liabilities transferred from level 1 to level 2 | 0 | 0 |
Fair value liabilities transferred from level 2 to level 1 | 0 | 0 |
Fair value assets transferred into level 3 | 0 | 0 |
Fair value assets transferred out of level 3 | 0 | 0 |
Fair value liabilities transferred into level 3 | 0 | 0 |
Fair value liabilities transferred out of level 3 | $ 0 | $ 0 |
X | ||||||||||
- References No definition available.
|
X | ||||||||||
- 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
|
X | ||||||||||
- 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
|
X | ||||||||||
- 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
|
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
|
X | ||||||||||
- Definition Amount of transfers of financial instrument classified as a liability into level 3 of the fair value hierarchy. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount of transfers of financial instrument classified as a liability out of level 3 of the fair value hierarchy. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount of transfer of financial instrument classified as an asset into level 3 of the fair value hierarchy. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|
X | ||||||||||
- Definition Amount of transfers of financial instrument classified as an asset out of level 3 of the fair value hierarchy. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
|