Condensed Consolidated Statement of Stockholders' Equity - USD ($) $ in Thousands	Total	Common Stock	Additional Paid-in Capital	AOCI Attributable to Parent	Treasury Stock	Retained Earnings	Parent	Noncontrolling Interest
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Beginning Balance at Dec. 31, 2017	$ 434,243	$ 18,625	$ 124,538	$ (4,598)	$ (63,404)	$ 356,383	$ 431,544	$ 2,699
Net Income (Loss), Including Portion Attributable to Nonredeemable Noncontrolling Interest	13,758					13,718	13,718	40
Other Comprehensive Income (Loss), Net of Tax	(6,289)			(6,289)			(6,289)	0
Treasury Stock, Value, Acquired, Cost Method	(3,147)				(3,147)		(3,147)	0
Dividends, Common Stock, Cash	(2,222)					(2,222)	(2,222)	0
Distributions to noncontrolling interests	(25)						0	(25)
Sharebased Compensation Effect On Stockholders Equity	591		480		111		591	0
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Jun. 30, 2018	436,496	18,625	125,018	(11,237)	(66,440)	367,913	433,879	2,617
Other Comprehensive Income (Loss), Net of Tax	(2,252)
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Ending Balance at Jun. 30, 2018	436,496	$ 18,625	$ 125,018	(11,237)	$ (66,440)	367,913	433,879	2,617
Cumulative Effect of New Accounting Principle in Period of Adoption	$ (413)			$ (350)		$ 34	$ (316)	$ (97)