CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $) In Thousands, except Share data	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member] USD ($)	Common Shares Held In Treasury [Member] USD ($)	Accumulated Deficit [Member] USD ($)	Accumulated Other Comprehensive Income (Loss) [Member] USD ($)	Noncontrolling Interest [Member] USD ($)	Total USD ($)
BALANCE at Dec. 31, 2010			$ 161,587	$ (1,118)	$ (77,620)	$ 4,062	$ 4,308	$ 91,219
BALANCE (in treasury shares) at Dec. 31, 2010		601,000
BALANCE (in shares) at Dec. 31, 2010	25,393,000
Net income (loss) attributable to noncontrolling interest							(3,820)	(3,820)
Net income (loss) attributable to Stoneridge, Inc.					49,357			49,357
Unrealized gain (loss) on marketable securities						16		16
Unrealized gain (loss) on derivatives						(7,722)		(7,722)
Currency translation adjustments						(5,971)		(5,971)
Business acquisition			5,113				48,727	53,840
Business acquisition ( in shares)	647,000
Capital contribution from noncontrolling interest							397	397
Exercise of share options			194					194
Exercise of share options (in shares)	19,000
Issuance of restricted Common Shares ( in shares)	437,000
Forfeited restricted Common Shares ( in shares)	(223,000)
Forfeited restricted Common Shares ( in treasury shares)		223,000
Repurchased Common Shares for treasury				(752)				(752)
Repurchased Common Shares for treasury (in shares)	(51,000)
Repurchased Common Shares for treasury (in treasury shares)		51,000
Share-based compensation matters			3,881					3,881
BALANCE at Dec. 31, 2011			170,775	(1,870)	(28,263)	(9,615)	49,612	180,639
BALANCE (in treasury shares) at Dec. 31, 2011		875,000
BALANCE (in shares) at Dec. 31, 2011	26,222,000
Net income (loss) attributable to noncontrolling interest							(1,613)	(1,613)
Net income (loss) attributable to Stoneridge, Inc.					5,361			5,361
Benefit plan liability adjustments						(27)		(27)
Unrealized gain (loss) on derivatives						9,862		9,862
Currency translation adjustments						(10,502)	(3,918)	(14,420)
Business acquisition			10,197					10,197
Business acquisition ( in shares)	1,294,000
Exercise of share options (in shares)								0
Issuance of restricted Common Shares			(1,258)	1,258
Issuance of restricted Common Shares ( in shares)	653,000
Issuance of restricted Common Shares ( in treasruy shares)		(611,000)
Forfeited restricted Common Shares ( in shares)	(142,000)
Forfeited restricted Common Shares ( in treasury shares)		142,000
Repurchased Common Shares for treasury				(1,273)				(1,273)
Repurchased Common Shares for treasury (in shares)	(114,000)
Repurchased Common Shares for treasury (in treasury shares)		114,000
Share-based compensation matters			5,108					5,108
BALANCE at Dec. 31, 2012			184,822	(1,885)	(22,902)	(10,282)	44,081	193,834
BALANCE (in treasury shares) at Dec. 31, 2012		520,000						520,000
BALANCE (in shares) at Dec. 31, 2012	27,913,000
Net income (loss) attributable to noncontrolling interest							1,377	1,377
Net income (loss) attributable to Stoneridge, Inc.					15,131			15,131
Unrealized gain (loss) on derivatives						(2,251)		(2,251)
Currency translation adjustments						(17,925)	(5,706)	(23,631)
Dividends							(212)	(212)
Exercise of share options (in shares)
Issuance of restricted Common Shares			(1,882)	1,882
Issuance of restricted Common Shares ( in shares)	883,000
Issuance of restricted Common Shares ( in treasruy shares)		(513,000)
Forfeited restricted Common Shares ( in shares)	(233,000)
Forfeited restricted Common Shares ( in treasury shares)		233,000
Repurchased Common Shares for treasury				(516)				(516)
Repurchased Common Shares for treasury (in shares)	(80,000)
Repurchased Common Shares for treasury (in treasury shares)		80,000
Share-based compensation matters			4,802					4,802
BALANCE at Dec. 31, 2013			$ 187,742	$ (519)	$ (7,771)	$ (30,458)	$ 39,540	$ 188,534
BALANCE (in treasury shares) at Dec. 31, 2013		320,000						320,000
BALANCE (in shares) at Dec. 31, 2013	28,483,000