Intangible Assets , Net - Summary of Components of Other Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Finite-Lived Intangible Assets [Line Items]
Gross value	$ 19,670	$ 19,670
Accumulated amortization	16,278	15,837
Carrying value	3,392	3,833
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross value	18,900	18,900
Accumulated amortization	15,928	15,685
Carrying value	2,972	3,215
Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Gross value	460	460
Accumulated amortization	168	73
Carrying value	292	387
Trademarks and Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Gross value	310	310
Accumulated amortization	182	79
Carrying value	$ 128	$ 231

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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-Name Accounting Standards Codification
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