CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS EQUITY (Unaudited) - 3 months ended Mar. 31, 2019 - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock Shares [Member]	Treasury Stock-Common [Member]	Capital in Excess of Par Value [Member]	Retained Earnings [Member]	Non-Redeemable Preferred Stock [Member]
Balance at Dec. 31, 2018	$ 342,197	$ 3,128	$ (16,186)	$ 198,482	$ 153,773	$ 3,000
Balance, shares at Dec. 31, 2018		31,283	(2,438)
Net loss	(11,540)				(11,540)
Dividend accrued on redeemable preferred stock	(7,256)				(7,256)
Accretion of redeemable preferred stock	(496)				(496)
Stock-based compensation	612			612
Other	(690)		$ (546)	(144)
Other, Shares			(76)
Balance at Mar. 31, 2019	$ 322,827	$ 3,128	$ (16,732)	$ 198,950	$ 134,481	$ 3,000
Balance, shares at Mar. 31, 2019		31,283	(2,514)