Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details)

v3.20.1
Income Taxes - Reconciliation of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Unrecognized tax benefits, beginning of period $ 1,516 $ 889
Tax positions taken in prior periods:    
Gross increases 0 166
Gross decreases 0 0
Tax positions taken in current period:    
Gross increases 15 461
Settlements 0 0
Lapse of statute of limitations 0 0
Unrecognized tax benefits, end of period $ 1,531 $ 1,516