Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Data (Unaudited) (Detail)

v3.10.0.1
Selected Quarterly Financial Data (Unaudited) (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Quarterly Financial Data [Abstract]                      
Revenue $ 24,833 $ 24,932 $ 24,577 $ 24,331 $ 24,471 $ 22,845 $ 22,091 $ 21,951      
Income before other income (expense), net 5,239 5,166 5,453 5,294 5,152 5,316 5,154 4,747 $ 21,152 $ 20,369 $ 14,636
Net income 5,232 3,893 4,193 4,050 1,917 3,714 3,600 3,300 17,368 12,531 9,982
Net income (loss) attributable to Silvercrest $ 2,900 $ 2,162 $ 2,337 $ 2,231 $ (80) $ 1,872 $ 1,858 $ 1,687 $ 9,630 $ 5,337 $ 5,015
Net income (loss) per share/unit - basic $ 0.35 $ 0.26 $ 0.28 $ 0.27 $ (0.01) $ 0.23 $ 0.23 $ 0.21      
Net income (loss) per share/unit - diluted $ 0.35 $ 0.26 $ 0.28 $ 0.27 $ (0.01) $ 0.23 $ 0.23 $ 0.21      
Weighted average shares/units outstanding - basic 8,393,294 8,321,927 8,288,392 8,187,279 8,136,986 8,119,444 8,104,697 8,078,643      
Weighted average shares/units outstanding - diluted 8,397,085 8,325,718 8,292,809 8,192,966 8,136,986 8,125,131 8,111,930 8,089,225