Silvercrest Asset Management Group LLC Annual report pursuant to Section 13 and 15(d)

Intangible Assets - Summary of Intangible Assets (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Cost of intangible assets gross, beginning balance	$ 46,521	$ 46,527
Disposal		(6)
Cost of intangible assets gross, ending balance	46,521	46,521	$ 46,527
Accumulated amortization, beginning balance	(19,968)	(17,241)
Amortization expense	(2,629)	(2,733)	(2,107)
Accumulated amortization, ending balance	(22,597)	(19,968)	(17,241)
Net book value	23,924	$ 26,553
Minimum
Useful lives		3 years
Maximum
Useful lives		20 years
Customer Relationships
Cost of intangible assets gross, beginning balance	44,060	$ 44,060
Cost of intangible assets gross, ending balance	44,060	44,060	44,060
Accumulated amortization, beginning balance	(17,507)	(14,833)
Amortization expense	(2,629)	(2,674)
Accumulated amortization, ending balance	(20,136)	(17,507)	(14,833)
Net book value	$ 23,924	$ 26,553
Customer Relationships \| Minimum
Useful lives	10 years	10 years
Customer Relationships \| Maximum
Useful lives	20 years	20 years
Other Intangible Assets
Cost of intangible assets gross, beginning balance	$ 2,461	$ 2,467
Disposal		(6)
Cost of intangible assets gross, ending balance	2,461	2,461	2,467
Accumulated amortization, beginning balance	(2,461)	(2,408)
Amortization expense		(59)
Accumulated amortization, ending balance	$ (2,461)	$ (2,461)	$ (2,408)
Other Intangible Assets \| Minimum
Useful lives	3 years	3 years
Other Intangible Assets \| Maximum
Useful lives	5 years	5 years