Quarterly report pursuant to Section 13 or 15(d)

Selected Balance Sheet Data - Components of Deferred Compensation and Commissions (Detail)

v3.21.2
Selected Balance Sheet Data - Components of Deferred Compensation and Commissions (Detail) - USD ($)
$ in Thousands
Jun. 30, 2021
Dec. 31, 2020
Deferred Compensation and Commissions [Line Items]    
Stock appreciation rights ("SARs") liability, current $ 2,225 $ 2,162
Commissions payable to investment sales and financing professionals, current 44,379 54,082
Deferred compensation liability, current 1,250 1,519
Other, current 315 343
Deferred compensation and commissions, current 48,169 58,106
Stock appreciation rights ("SARs") liability, non-current 14,690 16,671
Commissions payable to investment sales and financing professionals, non-current 10,405 15,306
Deferred compensation liability, non-current 7,096 6,768
Other, non-current 0 0
Deferred compensation and commissions, non-current $ 32,191 $ 38,745