Consolidated Condensed Statement of Changes In Shareholders' Equity (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Accumulated Earnings	Accumulated Other Comprehensive Income (Loss)	Stockholders' Equity, Total	Noncontrolling Interest
Beginning Balance at Dec. 31, 2012	$ 215,163	$ 166,309	$ 24,120	$ (17,383)	$ (11,231)	$ 161,815	$ 53,348
Beginning Balance (in shares) at Dec. 31, 2012		29,818,000
Exercise of Common Stock options for cash	2,901	4,023	(1,122)			2,901
Exercise of Common Stock options for cash (in shares)		437,000
Tax benefit from Exercises of Common Stock options	1,317		1,317			1,317
Stock issued upon conversion of preferred stock	15,108	15,108				15,108
Stock issued upon conversion of preferred stock (in shares)		954,000
Stock option compensation	833		833			833
Common Stock issued to Board of Directors and employees	1,028	1,028				1,028
Common Stock issued to Board of Directors and employees (in shares)		180,000
Convertible preferred stock dividends	(1,622)			(1,622)		(1,622)
Acquisition of non-controlling interest	(45,034)	42,517	(34,224)			8,293	(53,327)
Acquisition of non-controlling interest (in shares)		3,300,000
Distribution paid to non-controlling interest	(6)			(3)		(3)	(3)
Interest rate hedge, net	105				105	105
Currency translation, net	1,848				2,015	2,015	(167)
Foreign currency translation adjustments from deferred tax	(197)				(197)	(197)
Net income	24,202			22,862		22,862	1,340
Ending Balance at Sep. 30, 2013	$ 215,646	$ 228,985	$ (9,076)	$ 3,854	$ (9,308)	$ 214,455	$ 1,191
Ending Balance (in shares) at Sep. 30, 2013		34,689,000