Organization and Summary of Significant Accounting Policies - Derivative Financial Instruments (Details) - USD ($) |
12 Months Ended | ||
---|---|---|---|
Dec. 31, 2019 |
Dec. 31, 2018 |
Dec. 31, 2017 |
|
Organization Consolidation And Presentation Of Financial Statements [Abstract] | |||
Cash margin balances | $ 2,700,000 | $ 1,000,000.0 | |
Gain (loss) on derivative, net | (3,000,000.0) | (68,000) | $ 117,000 |
Derivative, notional amount | 20,400,000 | $ 40,300,000 | $ 29,900,000 |
Derivative, fair value, net | $ 0 | ||
Term of warrant | 10 years |