Basis of Presentation and Summary of Significant Accounting Policies - Additional Information (Detail) $ / shares in Units, $ in Thousands					1 Months Ended	9 Months Ended
	Nov. 02, 2022 USD ($) $ / shares shares	Oct. 03, 2022	Feb. 08, 2022 USD ($) $ / shares shares	Jan. 31, 2022 shares	Oct. 31, 2022 USD ($) shares	Sep. 30, 2022 USD ($) $ / shares shares	Jan. 01, 2022 USD ($)
Accounting Policies [Line Items]
Cash received						$ 9,900
Cash acquired from business acquisition and PIPE financing						43,800
Payment for settlement of debt outstanding						106,000
Proceeds from share subscription facility provided by business acquired						$ 125,000
Exchange of Common stock for settlement | shares						1,300,000
Lessee, Operating Lease, Term of Contract						12 months
Operating Lease, Right-of-Use Asset						$ 1,100	$ 500
Operating Lease, Liability						$ 1,119	$ 500
Subsequent Event [Member]
Accounting Policies [Line Items]
Cash received					$ 1,700
Exchange of Common stock for settlement | shares					320,000
Net proceeds from public offering	$ 16,700
Number of shares stock sold | shares	9,800,000
Common stock exercise price per shares | $ / shares	$ 1.70
Warrant purchase term period	5 years
Net proceeds from public offering cost	$ 15,400
Subsequent Event [Member] | Minimum [Member]
Accounting Policies [Line Items]
Reverse stock split ratio		10
Subsequent Event [Member] | Maximum [Member]
Accounting Policies [Line Items]
Reverse stock split ratio		20
Merger Agreement [Member] | Quanergy Common Stock [Member]
Accounting Policies [Line Items]
Common stock convertible, conversion ratio			0.1940
Merger Agreement [Member] | Quanergy Common Stock [Member] | Minimum [Member]
Accounting Policies [Line Items]
Class of warrant or right conversion ratio			1.0
Merger Agreement [Member] | Quanergy Common Stock [Member] | Maximum [Member]
Accounting Policies [Line Items]
Class of warrant or right conversion ratio			1.0
Common Class A [Member] | Merger Agreement [Member] | Quanergy Systems, Inc [Member]
Accounting Policies [Line Items]
Number Shareholders of the Company | shares			30,000	1,343,390
Percentage of the shares with redemption rights			0.022	0.973
Right exercised to redeem shares for cash at redemption price per share | $ / shares			$ 201.36
Number of Redemption Right Shares Reversed			$ 6,000
Right exercised to redeem shares for cash at redemption			$ 270,500
Series B Preferred Stock [Member] | Merger Agreement [Member]
Accounting Policies [Line Items]
Preferred Stock, Convertible, Conversion Ratio			0.5771
Series C Preferred Stock [Member] | Merger Agreement [Member]
Accounting Policies [Line Items]
Preferred Stock, Convertible, Conversion Ratio			0.7155
PIPE Shares [Member] | Subscription Agreement [Member]
Accounting Policies [Line Items]
Number of shares subscribed to purchase | shares						184,750
Per share price of subscribed shares | $ / shares						$ 200.00
Value of subscribed shares						$ 37,000