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Intangible Assets, Net
 12 Months Ended
Dec. 31, 2022
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets, Net Intangible Assets
The following table shows changes in the carrying amount of intangible assets, net, by reportable segment.
Mobile SolutionsPower SolutionsTotal
Balance as of December 31, 2020$29,062 $74,003 $103,065 
Amortization(3,353)(10,994)(14,347)
Balance as of December 31, 202125,709 63,009 88,718 
Amortization(3,353)(12,474)(15,827)
Balance as of December 31, 2022$22,356 $50,535 $72,891 
The following table shows the cost and accumulated amortization of our intangible assets as of December 31, 2022 and 2021.
 December 31, 2022December 31, 2021
 Gross Carrying Value as of Acquisition DateAccumulated
Amortization		Net
Carrying
Value		Gross Carrying Value as of Acquisition DateAccumulated
Amortization		Net
Carrying
Value
Customer relationships$173,746 $(103,021)$70,725 $173,746 $(87,895)$85,851 
Trademark and trade name7,527 (5,361)2,166 7,527 (4,660)2,867 
Total identified intangible assets$181,273 $(108,382)$72,891 $181,273 $(92,555)$88,718 
At December 31, 2022, the estimated useful life of customer relationships and trademarks and trade names was 5.3 years and 5.7 years, respectively. Intangible assets that are fully amortized are removed and no longer represented in the gross carrying value or accumulated amortization.
The following table shows estimated future amortization expense for each of the next five years.
Year Ending December 31,
2023$14,167 
202413,824 
202513,824 
202613,824 
202711,663 
Intangible assets are reviewed for impairment when changes in circumstances indicate the carrying value of those assets may not be recoverable. As of December 31, 2022, our market capitalization was at a level that was less than the net book value of our stockholders’ equity, which was deemed a triggering event that caused us to perform impairment analyses on our long-lived assets. Based on our analyses, the carrying values of the long-lived assets were recoverable and no impairment charge was recorded during the year ended December 31, 2022.