Net amount of the investment in a contractual right to receive money on demand or on fixed or determinable dates that is recognized as an asset in the creditor's statement of financial position. Examples include, but are not limited to, credit card receivables, notes receivable and receivables relating to lessor's rights to payments from leases other than operating leases that have been recorded as assets. Excludes trade accounts receivable with contractual maturity of one year or less and arose from the sale of goods or services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.3)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 3

-Article 5

Name:	us-gaap_NotesReceivableNet
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

Accounts and Notes Receivable (Details Textual) In Millions, unless otherwise specified	Dec. 31, 2014 USD ($)	Dec. 31, 2013 USD ($)	May 22, 2012 USD ($)	May 22, 2012 CNY	Dec. 31, 2014 Henglongs Collateralization [Member] USD ($)	Dec. 31, 2014 Henglongs Collateralization [Member] CNY	Dec. 31, 2013 Henglongs Collateralization [Member] USD ($)	Dec. 31, 2013 Henglongs Collateralization [Member] CNY	Dec. 31, 2014 Jingzhou Henglong Automotive Parts Co Ltd [Member] USD ($)	Dec. 31, 2014 Jingzhou Henglong Automotive Parts Co Ltd [Member] CNY	Dec. 31, 2014 ICBC Macau [Member] USD ($)	Dec. 31, 2014 ICBC Macau [Member] CNY
Financing Receivables [Line Items]
Financing Receivable, Net			$ 33.0us-gaap_NotesReceivableNet	201.8us-gaap_NotesReceivableNet	$ 38.0	232.5	$ 32.2	196.3	$ 33.0	201.8	$ 5.0	30.7
Non Revolving Credit Facility	30.0caas_NonRevolvingCreditFacility	30.0caas_NonRevolvingCreditFacility	30.0caas_NonRevolvingCreditFacility
Accounts Receivable Pledged As Security Value	$ 34.3