Major Customers and Concentrations of Credit Risk (Tables)

12 Months Ended

Dec. 31, 2021

Risks and Uncertainties [Abstract]

Schedule of Concentration Risk by Major Customers

Net revenues from our top ten customers, including The Boeing Company (“Boeing”), Lockheed Martin Corporation (“Lockheed Martin”), Northrop Grumman Corporation (“Northrop”), Raytheon Technologies Corporation (“Raytheon”), and Spirit AeroSystems Holdings, Inc. (“Spirit”), represented the following percentages of total net revenues:

	Years Ended December 31,
	2021		2020		2019
Boeing	7.8	%	10.5	%	16.6	%
Lockheed Martin	4.4	%	5.0	%	4.0	%
Northrop	7.1	%	9.1	%	4.0	%
Raytheon	24.4	%	20.9	%	15.6	%
Spirit	3.8	%	3.3	%	12.2	%
Top ten customers (1)	61.1	%	61.1	%	65.4	%

(1) Includes Boeing, Lockheed Martin, Northrop, Raytheon, and Spirit.

Boeing, Lockheed Martin, Northrop, Raytheon, and Spirit represented the following percentages of total accounts receivable:

	December 31,
	2021		2020
Boeing	3.5	%	4.8	%
Lockheed Martin	0.4	%	2.4	%
Northrop	10.9	%	12.3	%
Raytheon	17.8	%	15.0	%
Spirit	0.7	%	1.1	%