Annual report pursuant to Section 13 and 15(d)

Selected Quarterly Financial Data (Unaudited) (Detail)

v3.8.0.1
Selected Quarterly Financial Data (Unaudited) (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2016
Sep. 30, 2016
Jun. 30, 2016
Mar. 31, 2016
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Quarterly Financial Data [Abstract]                      
Revenue $ 24,471 $ 22,845 $ 22,091 $ 21,951 $ 21,192 $ 20,470 $ 19,337 $ 19,263 $ 91,358 $ 80,262 $ 75,138
Income before other income (expense), net 5,152 5,316 5,154 4,747 3,326 4,181 3,505 3,624 20,369 14,636 16,957
Net income 1,917 3,714 3,600 3,300 2,487 2,893 2,106 2,496 12,531 9,982 11,085
Net income (loss) attributable to Silvercrest $ (80) $ 1,872 $ 1,858 $ 1,687 $ 1,286 $ 1,496 $ 926 $ 1,307 $ 5,337 $ 5,015 $ 5,324
Net income (loss) per share/unit - basic $ (0.01) $ 0.23 $ 0.23 $ 0.21 $ 0.15 $ 0.19 $ 0.12 $ 0.16      
Net income (loss) per share/unit - diluted $ (0.01) $ 0.23 $ 0.23 $ 0.21 $ 0.15 $ 0.19 $ 0.12 $ 0.16      
Weighted average shares/units outstanding - basic 8,136,986 8,119,444 8,104,697 8,078,643 8,062,041 8,038,638 8,027,825 7,995,720      
Weighted average shares/units outstanding - diluted 8,136,986 8,125,131 8,111,930 8,089,225 8,072,623 8,049,220 8,034,686 7,995,720