XML 133 R116.htm IDEA: XBRL DOCUMENT v3.20.4
Employee Benefit Plans (Unrecognized Stock-Based Compensation Expense) (Detail)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]  
Non-vested stock awards/stock units $ 18,430
Performance stock units 7,034
Total $ 25,464
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition 2 years 8 months 8 days
Employee service share-based compensation, Performance stock units,compensation cost not yet recognized,period for recognition 1 year 11 months 26 days