Annual report pursuant to Section 13 and 15(d)

Organization and Summary of Significant Accounting Policies - Schedule of Adjustments Made to Accounts on Condensed Consolidated Balance Sheet (Detail)

v3.20.1
Organization and Summary of Significant Accounting Policies - Schedule of Adjustments Made to Accounts on Condensed Consolidated Balance Sheet (Detail) - USD ($)
$ in Thousands
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Lessee Lease Description [Line Items]      
Operating lease right-of-use assets, non-current $ 9,959 $ 4,180 $ 0
Total assets 174,202 4,180 140,158
Operating lease liabilities, current 1,683 976  
Operating lease liabilities, non-current 11,682 3,729 0
Total liabilities $ 71,174 4,705 39,252
Previously Reported      
Lessee Lease Description [Line Items]      
Operating lease right-of-use assets, non-current     0
Total assets     0
Operating lease liabilities, current     0
Operating lease liabilities, non-current     0
Total liabilities     525
Other Noncurrent Liabilities      
Lessee Lease Description [Line Items]      
Deferred rent   0  
Other Noncurrent Liabilities | Previously Reported      
Lessee Lease Description [Line Items]      
Deferred rent     $ 525
Effect of Adoption of ASC 842      
Lessee Lease Description [Line Items]      
Operating lease right-of-use assets, non-current   4,180  
Total assets   4,180  
Operating lease liabilities, current   976  
Operating lease liabilities, non-current   3,729  
Total liabilities   4,180  
Effect of Adoption of ASC 842 | Other Noncurrent Liabilities      
Lessee Lease Description [Line Items]      
Deferred rent   $ (525)