Amounts due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer) for goods or services (including trade receivables) that have been delivered or sold in the normal course of business.

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Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.

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A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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Amount of direct write-downs of accounts receivable charged against the allowance.

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Accounts Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
Accounts Receivable (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	$ 71,476	$ 80,136
Allowance for doubtful accounts	(3,761)	(4,246)
Accounts receivable, net	67,715	75,890
Bad debt expense			$ 2,500
Big Fish Games
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, net	25,700	28,900
TwinSpires
Accounts Receivable, Net, Current [Abstract]
Bad debt expense	900	700	$ 500
Trade receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	33,016	33,340
Derby-related receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	17,638	24,522
Simulcast and ADW receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	14,753	17,282
Other receivables
Accounts Receivable, Net, Current [Abstract]
Accounts receivable, gross	$ 6,069	$ 4,992