Segment Information - Total Asset Information For Segments (Details) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	$ 2,260,315		$ 2,362,504
Capital expenditures	30,838	$ 48,854
Big Fish Games [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	1,052,842		1,009,668
Capital expenditures	2,987	0
Casino Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	608,396		621,240
Capital expenditures	15,383	6,629
TwinSpires [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	184,830		182,322
Capital expenditures	3,098	4,716
Racing Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	377,594		518,517
Capital expenditures	8,359	33,491
Other Investments Segment [Member]
Segment Reporting, Asset Reconciling Item [Line Items]
Total assets	36,653		$ 30,757
Capital expenditures	$ 1,011	$ 4,018