CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (UNAUDITED) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Statement of Comprehensive Income [Abstract]
Net Loss		$ (12,623)	$ (4,396)	$ 54,221	$ 53,123
Other Comprehensive Loss, Net of Tax:
Unrealized Loss on Available-for-Sale Securities	[1]	(177)	(613)	(153)	(397)
Unrealized Gain on Derivatives - Other	[1]	52	66	171	198
Other Comprehensive (Loss) Income of Affiliated Companies	[1]	(96)	63	(132)	(37)
Other Comprehensive Loss - Net of Tax	[1]	(221)	(484)	(114)	(236)
Comprehensive Loss		$ (12,844)	$ (4,880)	$ 54,107	$ 52,887

[1] For 2015, determined using a combined average statutory tax rate of 40%. For 2014, determined using a combined statutory tax rate of 41%.