Consolidated Statements Of Stockholders' Equity (USD $) In Thousands, unless otherwise specified		Total	Common Stock	Additional Contributed Capital	Retained Earnings	Accumulated Other Comprehensive Income	Treasury Stock	Noncontrolling Interest	Redeemable Noncontrolling Interest	Redeemable Preferred Stock
Beginning balance (as adjusted for stock split) at Dec. 31, 2011		$ 153,966	$ 514	$ 147,790	$ 420,349	$ 11,862	$ (426,717)	$ 168	$ 87,373	$ 0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		16,466			16,251			215	11,056
Distributions to noncontrolling interest		(135)						(135)
Dividend Paid To Noncotrolling Interest Holders in excess of income earned		0
Other comprehensive income		2,986				2,986
Stock-based compensation		4,462	2	4,460
Other comprehensive income		14,628	14	14,614					(38,421)
Stock Issued During Period, Value, Issued for Services		2
Stock-based compensation		(72,354)			(72,354)				72,354
Dividends declared		(3,022)			(3,022)
Treasury stock purchases	[1]	(8,929)					(8,929)
Ending Balance (as adjusted for stock split) at Sep. 30, 2012		108,068	530	166,864	361,224	14,848	(435,646)	248	132,362	0
Beginning balance (as adjusted for stock split) at Dec. 31, 2012		58,804	530	167,080	318,299	14,401	(441,774)	268		146,547
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		(6,988)			(7,232)			244	0	1,548
Distributions to noncontrolling interest		(131)						(131)		6,106
Dividend Paid To Noncotrolling Interest Holders in excess of income earned		(4,582)								(4,582)
Other comprehensive income		1,295				1,295
Stock-based compensation		1,405		1,403
Stock Issued During Period, Value, Issued for Services			2
Dividends declared		(3,225)			(3,225)
Treasury stock purchases	[1]	(10,266)					(10,266)
Ending Balance (as adjusted for stock split) at Sep. 30, 2013		$ 36,312	$ 532	$ 168,483	$ 303,260	$ 15,696	$ (452,040)	$ 381	$ 0	$ 146,571

[1] This includes shares withheld in order to satisfy employee withholding taxes upon the distribution of vested restricted stock units.