XML 61 R50.htm IDEA: XBRL DOCUMENT v3.5.0.2
Consolidation - Assets Related to Consolidated Sponsored Investment Products, Unobservable Input Reconciliation (Detail) - Consolidated Sponsored Investment Products [Member] - Debt Securities [Member] - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]    
Balance at beginning of period $ 1,397 $ 1,065
Realized losses, net (356) 0
Purchases 151 0
Paydowns (5) (3)
Sales (1,449) 0
Transferred to Level 2 0 (162)
Transfers from Level 2 1 0
Change in unrealized gain/(loss), net 350 (48)
Balance at end of period $ 89 $ 852