Amount of expense for salary, wage, profit sharing; incentive and equity-based compensation; and other employee benefit. Other employee benefit expense includes, but is not limited to, service component of net periodic benefit cost for defined benefit plan. Excludes compensation cost in cost of good and service sold.

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03(b)(4))
-URI https://asc.fasb.org/extlink&oid=126953954&loc=SL114868664-224227

Name:	us-gaap_CompensationExpenseExcludingCostOfGoodAndServiceSold
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Subsequent Events - Narrative (Details) - Subsequent event - USD ($) $ in Thousands	Oct. 19, 2022	Oct. 11, 2022	Oct. 05, 2022
Subsequent Event [Line Items]
Proceeds from MESC grant	$ 50,000
Department of Energy grant
Subsequent Event [Line Items]
Proceeds from MESC grant	$ 50,000	$ 1,000
Chief executive officer \| Amprius Holdings
Subsequent Event [Line Items]
Accelerated cash bonus payment			$ 2,310