Annual report pursuant to Section 13 and 15(d)

Income Taxes - Additional Information (Details)

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Income Taxes - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Income Tax Contingency [Line Items]    
Total deferred tax assets $ 29,278 $ 22,821
Federal net operating losses 19,345 14,885
Valuation allowance 23,054 $ 15,086
Domestic Tax Authority    
Income Tax Contingency [Line Items]    
Operating loss carryforwards 92,100  
Operating loss carryforwards subject to expire $ 42,300  
Operating loss carryforwards, limitations on use, description remaining U.S. federal NOL carryforwards eligible to be carried forward indefinitely, subject to an 80% limitation on taxable income in each year.  
Operating loss carryforwards limitation rate on taxable income 80.00%  
State and Local Jurisdiction    
Income Tax Contingency [Line Items]    
Operating loss carryforwards $ 45,100