EQUITY (Details Textuals 1)

0 Months Ended

12 Months Ended

1 Months Ended

0 Months Ended

Aug. 06, 2014

USD ($)

Jul. 10, 2014

Dec. 31, 2014

EUR (€)

Jun. 28, 2013

Newco

USD ($)

Dec. 31, 2013

Class A Ordinary shares

EUR (€)

Aug. 15, 2013

Class A Ordinary shares

Dec. 31, 2013

Class B Ordinary shares

EUR (€)

Aug. 15, 2013

Class B Ordinary shares

Dec. 31, 2013

Class C Ordinary shares

EUR (€)

Aug. 15, 2013

Class C Ordinary shares

Dec. 31, 2013

Class D Ordinary shares

EUR (€)

Aug. 15, 2013

Class D Ordinary shares

Dec. 31, 2013

Class E Ordinary shares

EUR (€)

Aug. 15, 2013

Class E Ordinary shares

Aug. 15, 2013

Class F Ordinary shares

Aug. 22, 2013

Class F1 Ordinary shares

Jun. 28, 2013

Class F1 Ordinary shares

USD ($)

Dec. 31, 2013

Class F1 Ordinary shares

EUR (€)

Aug. 15, 2013

Class F1 Ordinary shares

Jun. 28, 2013

Class F1 Ordinary shares

EUR (€)

Aug. 22, 2013

Class F2 Ordinary shares

Jun. 28, 2013

Class F2 Ordinary shares

Dec. 31, 2013

Class F2 Ordinary shares

EUR (€)

Aug. 15, 2013

Class F2 Ordinary shares

Jul. 10, 2014

Ordinary shares

Dec. 31, 2014

Ordinary shares

EUR (€)

Aug. 15, 2013

Ordinary shares

Jul. 10, 2014

Ordinary shares

Class A Ordinary shares

Jul. 10, 2014

Ordinary shares

Class B Ordinary shares

Jul. 10, 2014

Ordinary shares

Class C Ordinary shares

Jul. 10, 2014

Ordinary shares

Class D Ordinary shares

Jul. 10, 2014

Ordinary shares

Class E Ordinary shares

Jul. 10, 2014

Ordinary shares

Class F1 Ordinary shares

Jul. 10, 2014

Ordinary shares

Class F2 Ordinary shares

Dec. 31, 2013

Ordinary shares (with liquidation preferences)

EUR (€)

Jun. 28, 2013

Ordinary shares (with liquidation preferences)

Newco

Stockholders Equity Note [Line Items]

Ordinary shares, par or stated value per share (in dollars per share)

€ 0.01

Ordinary stock, shares, issued

Ordinary stock, shares, outstanding

The stock split had the following effects: (i) each outstanding share of any class was increased to five shares of the same class; (ii) each outstanding warrant or option to purchase Ordinary shares was proportionately increased on a five-for-one basis; and (iii) the exercise price of each outstanding warrant or option to purchase Ordinary shares was proportionately decreased on a one-for-five basis.

Stock split ratio

Five-for-one stock split

Number of authorized shares after increase

Ordinary stock, shares authorized

Conversion of shares, Description

Convert all classes of shares into one class of Ordinary shares on a 1:1 basis

Ordinary shares voting rights

The holders of Ordinary Shares (with liquidation preference), and Class A, B, C, D, E, F1 and F2 Ordinary shares had identical voting rights. The holders of class D shares have a veto right with respect to certain related party transactions and the right to designate a director of the Company. The holders of F1 shares have the right effectively to designate a director of the Company. The holders of Class D shares and Class F shares have the right to veto further issuances of Class D shares and Class F shares, respectively.

Number of shares agreed to sell and issue

4,297,995

Price per share (in dollars per share)

$ 25

$ 6.98

Consideration from shares agreed to sell and issue

$ 30,000,000

Number of ordinary shares owned

500

Number of shares agrees to sell

10,028,655

41,547,280

Number of shares acquired

51,575,935

Stock purchase price (net of expenses)

$ 6.61

Conversion of stock shares converted

10,028,655

41,547,280

EQUITY (Details Textuals 1)	0 Months Ended		12 Months Ended	1 Months Ended												1 Months Ended					1 Months Ended				0 Months Ended			0 Months Ended
EQUITY (Details Textuals 1)	Aug. 06, 2014 USD ($)	Jul. 10, 2014	Dec. 31, 2014 EUR (€)	Jun. 28, 2013 Newco USD ($)	Dec. 31, 2013 Class A Ordinary shares EUR (€)	Aug. 15, 2013 Class A Ordinary shares	Dec. 31, 2013 Class B Ordinary shares EUR (€)	Aug. 15, 2013 Class B Ordinary shares	Dec. 31, 2013 Class C Ordinary shares EUR (€)	Aug. 15, 2013 Class C Ordinary shares	Dec. 31, 2013 Class D Ordinary shares EUR (€)	Aug. 15, 2013 Class D Ordinary shares	Dec. 31, 2013 Class E Ordinary shares EUR (€)	Aug. 15, 2013 Class E Ordinary shares	Aug. 15, 2013 Class F Ordinary shares	Aug. 22, 2013 Class F1 Ordinary shares	Jun. 28, 2013 Class F1 Ordinary shares USD ($)	Dec. 31, 2013 Class F1 Ordinary shares EUR (€)	Aug. 15, 2013 Class F1 Ordinary shares	Jun. 28, 2013 Class F1 Ordinary shares EUR (€)	Aug. 22, 2013 Class F2 Ordinary shares	Jun. 28, 2013 Class F2 Ordinary shares	Dec. 31, 2013 Class F2 Ordinary shares EUR (€)	Aug. 15, 2013 Class F2 Ordinary shares	Jul. 10, 2014 Ordinary shares	Dec. 31, 2014 Ordinary shares EUR (€)	Aug. 15, 2013 Ordinary shares	Jul. 10, 2014 Ordinary shares Class A Ordinary shares	Jul. 10, 2014 Ordinary shares Class B Ordinary shares	Jul. 10, 2014 Ordinary shares Class C Ordinary shares	Jul. 10, 2014 Ordinary shares Class D Ordinary shares	Jul. 10, 2014 Ordinary shares Class E Ordinary shares	Jul. 10, 2014 Ordinary shares Class F1 Ordinary shares	Jul. 10, 2014 Ordinary shares Class F2 Ordinary shares	Dec. 31, 2013 Ordinary shares (with liquidation preferences) EUR (€)	Jun. 28, 2013 Ordinary shares (with liquidation preferences) Newco
Stockholders Equity Note [Line Items]
Ordinary shares, par or stated value per share (in dollars per share)			€ 0.01		€ 0.01		€ 0.01		€ 0.01		€ 0.01		€ 0.01					€ 0.01		€ 0.01			€ 0.01			€ 0.01									€ 0.01
Ordinary stock, shares, issued			214,554,061us-gaap_CommonStockSharesIssued		32,070,835		6,703,520		3,390,490		32,164,955		11,749,700					14,326,650					41,547,280												60,559,715
Ordinary stock, shares, outstanding			214,554,061us-gaap_CommonStockSharesOutstanding		32,070,835		6,703,520		3,390,490		32,164,955		11,749,700					14,326,650					41,547,280												60,559,715
Stock split effects		The stock split had the following effects: (i) each outstanding share of any class was increased to five shares of the same class; (ii) each outstanding warrant or option to purchase Ordinary shares was proportionately increased on a five-for-one basis; and (iii) the exercise price of each outstanding warrant or option to purchase Ordinary shares was proportionately decreased on a one-for-five basis.
Stock split ratio		Five-for-one stock split
Number of authorized shares after increase		500,000,000mbly_IncreaseInNumberOfAuthorizedShares																							200,000,000			100,000,000	25,000,000	25,000,000	50,000,000	20,000,000	15,000,000	65,000,000
Ordinary stock, shares authorized			1,012,565,725us-gaap_CommonStockSharesAuthorized		100,000,000	100,000,000	25,000,000	25,000,000	25,000,000	25,000,000	50,000,000	50,000,000	20,000,000	20,000,000	80,000,000			15,000,000	15,000,000				65,000,000	65,000,000			200,000,000								200,000,000
Conversion of shares, Description			Convert all classes of shares into one class of Ordinary shares on a 1:1 basis
Ordinary shares voting rights	The holders of Ordinary Shares (with liquidation preference), and Class A, B, C, D, E, F1 and F2 Ordinary shares had identical voting rights. The holders of class D shares have a veto right with respect to certain related party transactions and the right to designate a director of the Company. The holders of F1 shares have the right effectively to designate a director of the Company. The holders of Class D shares and Class F shares have the right to veto further issuances of Class D shares and Class F shares, respectively.
Number of shares agreed to sell and issue																4,297,995	4,297,995
Price per share (in dollars per share)	$ 25us-gaap_SharesIssuedPricePerShare																$ 6.98
Consideration from shares agreed to sell and issue																	$ 30,000,000
Number of ordinary shares owned																																				500
Number of shares agrees to sell																10,028,655	10,028,655				41,547,280	41,547,280
Number of shares acquired				51,575,935
Stock purchase price (net of expenses)				$ 6.61
Conversion of stock shares converted																10,028,655					41,547,280