Noncontrolling Interest - Additional Information (Details) - USD ($) $ in Thousands		12 Months Ended
	Oct. 25, 2019	Dec. 31, 2021	Dec. 31, 2020
Opterna International Corp.
Noncontrolling Interest [Line Items]
Noncontrolling interest, purchase price	$ 800
Payments to acquire interest in subsidiaries	$ 400
Variable Interest Entity, primary beneficiary Belden
Noncontrolling Interest [Line Items]
Additional contribution commitments to joint venture			$ 1,530
Hite
Noncontrolling Interest [Line Items]
Additional contribution commitments to joint venture			$ 1,470
Scenario, Forecast | Opterna International Corp.
Noncontrolling Interest [Line Items]
Payments to acquire interest in subsidiaries		$ 400
Hite | Hite | Variable Interest Entity, primary beneficiary Belden
Noncontrolling Interest [Line Items]
Variable interest entity, ownership percentage			51.00%