XML 19 R7.htm IDEA: XBRL DOCUMENT v3.21.2
Consolidated Statements of Cash Flows - Reconciliation of Cash and Restricted Cash - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Jun. 30, 2020
Dec. 31, 2019
Reconciliation of cash and restricted cash:        
Total cash and restricted cash $ 9,513 $ 10,089 $ 14,298 $ 13,923