ORGANIZATION AND PRINCIPAL ACTIVITIES - Ownership Interest (Details)
Dec. 31, 2014
Jinpan Electric (China) Co. Ltd  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan Electric (China) Co. Ltd | Wuhan Jinpan Electric Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan Electric (China) Co. Ltd | Jinpan Electric Group (Shanghai) Co. Ltd.  
Noncontrolling Interest [Line Items]  
Ownership percentage by noncontrolling owners 30.00%
Jinpan Electric (China) Co. Ltd | Jinpan Electric Group (Shanghai) Co. Ltd. | Alternative Energy Equipment Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan Electric (China) Co. Ltd | Jinpan Electric Group (Shanghai) Co. Ltd. | Transmission and Distribution Automation Equipment Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan Electric (China) Co. Ltd | Jinpan Electric Group (Shanghai) Co. Ltd. | Shanghai Dong Dian International Trading Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan Electric (China) Co. Ltd | Jinpan Electric Group (Shanghai) Co. Ltd. | Shanghai Pan Investment Co Ltd  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan International USA Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Jinpan International USA Ltd. | Jinpan Realty Group LLC  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Hainan Jinpan Electric Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 85.00%
Hainan Jinpan Electric Co. Ltd. | Hainan Jinpan Electric Reasearch Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Hainan Jinpan Electric Co. Ltd. | Guilin Jun Tai Fu Electric Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 100.00%
Hainan Jinpan Electric Co. Ltd. | Wuhan Jinpan Electric Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 15.00%
Hainan Jinpan Electric Co. Ltd. | Jinpan Electric Group (Shanghai) Co. Ltd.  
Noncontrolling Interest [Line Items]  
Percentage of equity interest attributable to company 70.00%