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
Beginning balance (as adjusted for stock split) at Dec. 31, 2012		$ 58,804	$ 530	$ 167,080	$ 318,299	$ 14,401	$ (441,774)	$ 268
Net Income (Loss) Attributable to Parent		(7,232)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		(6,988)			(7,232)			244
Distributions to noncontrolling interest		(131)						(131)
Dividend Paid To Noncotrolling Interest Holders in excess of income earned					4,582
Other comprehensive loss		1,295				1,295
Stock-based compensation		1,405	2	1,403
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
Beginning balance (as adjusted for stock split) at Dec. 31, 2013		46,028	532	168,732	312,036	16,362	(452,040)	406
Net Income (Loss) Attributable to Parent		98,972
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net earnings		99,236						264
Distributions to noncontrolling interest		(135)						(135)
Dividend Paid To Noncotrolling Interest Holders in excess of income earned		5,471
Other comprehensive loss		(2,398)				(2,398)
Stock Issued During Period, Value, Issued for Services			1
Stock-based compensation		1,062		1,061
Dividends declared		(805)			(805)
Treasury stock purchases	[1]	(126)					(126)
Ending Balance (as adjusted for stock split) at Sep. 30, 2014		$ 148,333	$ 533	$ 169,793	$ 415,674	$ 13,964	$ (452,166)	$ 535

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