XML 115 R94.htm IDEA: XBRL DOCUMENT v3.21.1
LONG-TERM INCENTIVE PLAN - Assumptions in Fair Value of Stock Options Granted (Detail) - $ / shares
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]    
Risk-free interest rate 0.50% 1.78%
Expected volatility 31.15% 23.41%
Expected term (years) 6 years 6 years
Exercise price per stock option $ 1.71 $ 1.20
Expected dividend yield 0.00% 0.00%