Goodwill and Other Intangible Assets Goodwill Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Goodwill [Roll Forward]
Balance at beginning of period	$ 53,093	$ 8,244
Acquisitions	28,994	46,837
Adjustment to fair value	1,844	0
Impairments	(3,577)	(1,988)
Balance at end of period	80,354	53,093
Energy segment:
Goodwill [Roll Forward]
Balance at beginning of period	52,939	6,256
Acquisitions	23,400	46,683
Adjustment to fair value	1,844	0
Impairments	0	0
Balance at end of period	78,183	52,939
Sports segment:
Goodwill [Roll Forward]
Balance at beginning of period	154	1,988
Acquisitions	5,594	154
Adjustment to fair value	0	0
Impairments	(3,577)	(1,988)
Balance at end of period	$ 2,171	$ 154