Revenue Recognition (Tables)

6 Months Ended

Jun. 30, 2022

Revenue from Contract with Customer [Abstract]

Summary of Disaggregation of Revenue

Disaggregated revenues were as follows:

	Three Months Ended June 30,				Six Months Ended June 30,
	2022		2021		2022		2021
(in thousands)
Sales brand-centric services	$	332,874	$	321,876	$	662,230	$	615,407
Sales retail-centric services		271,258		239,768		533,871		480,561
Total sales revenues		604,132		561,644		1,196,101		1,095,968
Marketing brand-centric services		136,340		121,822		249,914		238,804
Marketing retail-centric services		240,604		166,488		449,869		306,203
Total marketing revenues		376,944		288,310		699,783		545,007
Total revenues	$	981,076	$	849,954	$	1,895,884	$	1,640,975