Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Use of Estimates (Details)

v3.19.3.a.u2
Summary of Significant Accounting Policies - Use of Estimates (Details)
12 Months Ended
Dec. 31, 2019
$ / participant
Accounting Policies [Abstract]  
Maximum exposure, per participant 150,000