CONSOLIDATED STATEMENTS OF COMPHREHENSIVE INCOME (LOSS) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Income Statement [Abstract]      
Net income (loss) $ 32,726 $ 13,577 $ (5,795)
Other comprehensive loss:      
Change in cumulative translation adjustment (654) (410) (10)
Other comprehensive loss, net of tax (654) (410) (10)
Total comprehensive income (loss) 32,072 13,167 (5,805)
Comprehensive income attributable to noncontrolling interests 11,200 1,772 6
Comprehensive income (loss) attributable to B. Riley Financial, Inc. $ 20,872 $ 11,395 $ (5,811)