CONDENSED CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (USD $) In Thousands, except Share data, unless otherwise specified	Common Stock [Member]	Additional Paid In Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income [Member]	Total
Balance at Dec. 31, 2012	$ 433	$ 493,175	$ (208,246)	$ (90)	$ 285,272
Balance (in shares) at Dec. 31, 2012	43,265,833
Increase (Decrease) in Stockholders' Equity
Stock compensation accrued	2	1,472			1,474
Stock compensation accrued (in shares)	265,000
Realized gain on marketable equity securities, net of tax				90	90
Net loss			(240,380)		(240,380)
Balance at Dec. 31, 2013	435	494,647	(448,626)		46,456
Balance (in shares) at Dec. 31, 2013	43,530,833
Increase (Decrease) in Stockholders' Equity
Stock compensation accrued		586			586
KELTIP mark-to-market		(118)			(118)
Net loss			(10,701)		(10,701)
Balance at Jun. 30, 2014	$ 435	$ 495,115	$ (459,327)		$ 36,223
Balance (in shares) at Jun. 30, 2014	43,530,833