XML 52 R42.htm IDEA: XBRL DOCUMENT v3.20.2
STOCK-BASED COMPENSATION - Other Information (Details) - Restricted Stock - USD ($)
6 Months Ended
Jun. 30, 2020
Jun. 30, 2019
Stock-based compensation    
Unrecognized compensation cost related to non-vested restricted shares $ 8,915,000  
Unrecognized compensation cost related to non-vested restricted shares recognized period 3 years 7 months 6 days  
Tax benefits for compensation tax deductions in excess of compensation expense $ 302,000 $ 456,000