Accounts Receivable (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	$ 50,910	$ 49,037
Accounts receivable, allowance for doubtful accounts	(4,338)	(1,885)
Accounts receivable, net	46,572	47,152
Insurance Recoveries	375	19,981	2,000
Bad debt expense	(2,500)	0
Online Operations
Accounts Receivable, Net, Current [Abstract]
Bad debt expense	(500)	(900)	(900)
Simulcast and ADW Receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	19,768	18,210
Trade Account Receivable
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	16,129	19,294
PSL and Hospitality Receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	9,410	8,335
Other receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	$ 5,603	$ 3,198