Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Summary of Significant Accounting Policies - Narrative (Details)

v3.20.4
Summary of Significant Accounting Policies - Narrative (Details)
12 Months Ended
Dec. 31, 2020
plan
Summary Of Significant Accounting Policies [Abstract]  
Number of plans 1
Maximum option expiration term 10 years