Summary of Significant Accounting Policies - Summary of Right-of-Use Assets And Lease Liabilities Associated With Operating Leases Included In Condensed Consolidated Balance Sheets (Detail) - USD ($) $ in Thousands |
Jun. 30, 2020 |
Dec. 31, 2019 |
|---|---|---|
| Lessor Lease Description [Line Items] | ||
| Lease liabilities | $ 2,924 | |
| Prepaid Expenses And Other Assets | ||
| Lessor Lease Description [Line Items] | ||
| Right-of-use assets | 3,313 | $ 1,614 |
| Accounts Payable And Other Liabilities | ||
| Lessor Lease Description [Line Items] | ||
| Lease liabilities | $ 2,924 | $ 1,209 |