XML 134 R122.htm IDEA: XBRL DOCUMENT v3.21.2
STOCK-BASED COMPENSATION - Non-Employee Director Stock Compensation (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Dec. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Stock-based compensation          
Annual award received $ 200 $ 100      
Share-based Payment Arrangement, Nonemployee          
Stock-based compensation          
Annual award     $ 20 $ 35 $ 20
Number of shares awarded calculated based on the number of days of average price of the Company's common stock     20 days    
Number of business days based on which number of days of average price of the Company's common stock, the number of shares awarded are calculated     2 days    
Expense recognized $ 400 $ 400      
Expense recognized (in shares) 8,298 6,283