Annual report pursuant to Section 13 and 15(d)

Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details)

v3.20.1
Summary of Significant Accounting Policies - Cash and Cash Equivalents (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Cash and Cash Equivalents [Abstract]        
Cash and cash equivalents $ 2,765 $ 3,631    
Restricted cash 4,420 1,212    
Total cash and cash equivalents and restricted cash $ 7,185 $ 4,843 $ 7,114 $ 20,612