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Related Party Transactions (Tables)
 9 Months Ended
Sep. 30, 2022
Related Party Transactions [Abstract]  
Schedule of Capital Contributions from Parent
The composition of the capital contributions from Amprius Holdings for the three and nine months ended September 30, 2022 and 2021 were as follows:
Three Months Ended
September 30,		Nine Months Ended
September 30,
2022202120222021
Stock-based compensation$131 $37 $377 $116 
Other allocated corporate costs— 85 295 246 
Cash— 14,612 210 19,446 
Total capital contributions from
   Amprius Holdings		$131 $14,734 $882 $19,808