Fair Value of Financial Instruments - Schedule of Fair Value Derivative Liability (Details) $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($)
Fair Value Disclosures [Abstract]
Balance at December 31, 2019	$ 1,650
Change in fair value of derivative liability, recorded as other expense	90
Balance at March 31, 2020	$ 1,740

Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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