XML 86 R75.htm IDEA: XBRL DOCUMENT v3.21.2
STOCK-BASED COMPENSATION - Performance Units Activity Under Omnibus Plan (Detail) - Omnibus Plan [Member] - Performance Shares [Member]
9 Months Ended
Sep. 30, 2021
shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]  
Beginning of year 1,006,768
Additions 160,485
Vested (304,408)
End of period 862,845