Organization and Summary of Significant Accounting Policies - Summary of Financial Instruments at Fair Value on a Recurring Basis (Detail) - Fair Value, Recurring [Member] |
Dec. 31, 2020
USD ($)
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Assets: | |
Assets | |
Liabilities: | |
Hybrid debt instrument at fair value | 0 |
Fair Value, Inputs, Level 1 [Member] | |
Assets: | |
Assets | |
Liabilities: | |
Hybrid debt instrument at fair value | |
Fair Value, Inputs, Level 2 [Member] | |
Assets: | |
Assets | |
Liabilities: | |
Hybrid debt instrument at fair value | |
Fair Value, Inputs, Level 3 [Member] | |
Assets: | |
Assets | |
Liabilities: | |
Hybrid debt instrument at fair value | $ 0 |