Commitments and Contingencies	9 Months Ended
Sep. 30, 2021
Commitments And Contingencies Disclosure [Abstract]
Commitments and Contingencies	(14) Commitments and Contingencies Performance Bonds In the normal course of operations, from time to time, the Company arranges for the issuance of various types of performance bonds, such as performance, warranty, and bid bonds, in the form of bank guarantees or surety bonds. These instruments are arrangements under which the financial institution or surety provides a financial guarantee that the Company will perform in accordance with contractual or legal obligations. As of September 30, 2021, the Company had $7.6 million of performance bonds in the form of bank guarantees or surety bonds guaranteed by third parties. Contingent Consideration The Company has, as part of the Optelian purchase agreement, a contingent liability payable to the sellers. The contingent consideration is payable based on the achievement of certain future performance targets during the three-year period following the acquisition date. The Company records changes in the fair value of contingent consideration liabilities within operating expenses in the unaudited condensed consolidated statement of operations during the period in which a change in the estimate of fair value is made. Refer to Note 2 Business Combinations for further information. Litigation From time to time, the Company is subject to various legal proceedings, claims and litigation arising in the ordinary course of business. While the outcome of these matters is currently not determinable, the Company records an accrual for legal contingencies that it has determined to be probable to the extent that the amount of the loss can be reasonably estimated. The Company does not expect that the ultimate costs to resolve these matters will have a material adverse effect on its consolidated financial position, results of operations or cash flows. However, litigation is subject to inherent uncertainties, and unfavorable rulings could occur. If an unfavorable ruling were to occur, there exists the possibility of a material adverse impact on the results of operations and cash flows of the reporting period in which the ruling occurs, or future periods.

Commitments and Contingencies

9 Months Ended

Sep. 30, 2021

Commitments And Contingencies Disclosure [Abstract]

(14) Commitments and Contingencies

Performance Bonds

In the normal course of operations, from time to time, the Company arranges for the issuance of various types of performance bonds, such as performance, warranty, and bid bonds, in the form of bank guarantees or surety bonds. These instruments are arrangements under which the financial institution or surety provides a financial guarantee that the Company will perform in accordance with contractual or legal obligations. As of September 30, 2021, the Company had $7.6 million of performance bonds in the form of bank guarantees or surety bonds guaranteed by third parties.

Contingent Consideration

The Company has, as part of the Optelian purchase agreement, a contingent liability payable to the sellers. The contingent consideration is payable based on the achievement of certain future performance targets during the three-year period following the acquisition date. The Company records changes in the fair value of contingent consideration liabilities within operating expenses in the unaudited condensed consolidated statement of operations during the period in which a change in the estimate of fair value is made. Refer to Note 2 Business Combinations for further information.

Litigation

From time to time, the Company is subject to various legal proceedings, claims and litigation arising in the ordinary course of business. While the outcome of these matters is currently not determinable, the Company records an accrual for legal contingencies that it has determined to be probable to the extent that the amount of the loss can be reasonably estimated. The Company does not expect that the ultimate costs to resolve these matters will have a material adverse effect on its consolidated financial position, results of operations or cash flows. However, litigation is subject to inherent uncertainties, and unfavorable rulings could occur. If an unfavorable ruling were to occur, there exists the possibility of a material adverse impact on the results of operations and cash flows of the reporting period in which the ruling occurs, or future periods.