Income Taxes - Reconciliation between Federal Statutory Rate and Effective Income Tax Rate (Detail)	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Income Tax Contingency [Line Items]
United States Federal Statutory Rate	21.00%	(21.00%)
State income taxes (net of Federal benefits)	12.20%	2.60%
Foreign income taxes	(1.60%)	(3.30%)
Expenses of Compass Group Diversified Holdings, LLC representing a pass through to shareholders	6.70%	30.60%
Impact of subsidiary employee stock options	6.20%	0.40%
Credit utilization	(4.50%)	(2.50%)
Non-recognition of NOL carryforwards at subsidiaries	(47.10%)	1.00%
Effect of Tax Act	6.20%	3.10%
Other	5.20%	1.50%
Effective income tax rate	4.30%	12.40%