Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Cash Flows (Parenthetical)

v3.20.4
Consolidated Statements of Cash Flows (Parenthetical) - USD ($)
Dec. 31, 2020
Dec. 31, 2019
Statement Of Cash Flows [Abstract]    
Cash and cash equivalents $ 32,970,000 $ 16,103,000
Restricted cash $ 0 $ 20,900,000