Annual report pursuant to Section 13 and 15(d)

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

v3.6.0.2
Selected Balance Sheet Data - Components of Deferred Compensation and Commissions (Detail) - USD ($)
$ in Thousands
Dec. 31, 2016
Dec. 31, 2015
Balance Sheet Related Disclosures [Abstract]    
SARs liability $ 1,366 $ 0
Commissions payable to investment sales and financing professionals 42,781 34,091
Deferred compensation liability 607 0
Total 44,754 34,091
SARs liability 20,949 21,399
Commissions payable to investment sales and financing professionals 17,101 17,015
Deferred compensation liability 6,405 5,264
Total $ 44,455 $ 43,678