Goodwill and Intangible Assets - Schedule of Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2021	Dec. 31, 2020
Indefinite-lived intangible assets
Indefinite-lived intangible assets, Gross Carrying Value	$ 53,690	$ 53,690
Indefinite-lived intangible assets, Cumulative Impairment	(6,890)	(6,890)
Indefinite-lived intangible assets, Net	46,800	46,800
Amortizing intangible assets
Amortizing intangible assets, Gross Carrying Value	139,589	139,589
Amortizing intangible assets, Cumulative Amortization	(82,479)	(80,280)
Amortizing intangible assets, Intangible Assets, Net	57,110	59,309
Intangible assets, Gross Carrying Value	193,279	193,279
Intangible assets, Cumulative Amortization	(82,479)	(80,280)
Intangible assets, Impairment	(6,890)	(6,890)
Intangible assets, net	103,910	106,109
Customer relationships
Amortizing intangible assets
Amortizing intangible assets, Gross Carrying Value	81,105	81,105
Amortizing intangible assets, Cumulative Amortization	(31,481)	(30,012)
Amortizing intangible assets, Intangible Assets, Net	$ 49,624	$ 51,093
Customer relationships | Minimum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	4 years	4 years
Customer relationships | Maximum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	16 years	16 years
Player relationships
Amortizing intangible assets
Amortizing intangible assets, Gross Carrying Value	$ 42,990	$ 42,990
Amortizing intangible assets, Cumulative Amortization	(39,330)	(39,116)
Amortizing intangible assets, Intangible Assets, Net	$ 3,660	$ 3,874
Player relationships | Minimum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	2 years	2 years
Player relationships | Maximum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	14 years	14 years
Non-compete agreements
Amortizing intangible assets
Amortizing intangible assets, Gross Carrying Value	$ 9,840	$ 9,840
Amortizing intangible assets, Cumulative Amortization	(7,735)	(7,385)
Amortizing intangible assets, Intangible Assets, Net	$ 2,105	$ 2,455
Non-compete agreements | Minimum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	2 years	2 years
Non-compete agreements | Maximum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	5 years	5 years
Gaming license
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	15 years	15 years
Amortizing intangible assets, Gross Carrying Value	$ 2,100	$ 2,100
Amortizing intangible assets, Cumulative Amortization	(1,104)	(1,070)
Amortizing intangible assets, Intangible Assets, Net	$ 996	$ 1,030
In-place lease value
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	4 years	4 years
Amortizing intangible assets, Gross Carrying Value	$ 1,170	$ 1,170
Amortizing intangible assets, Cumulative Amortization	(986)	(918)
Amortizing intangible assets, Intangible Assets, Net	$ 184	$ 252
Leasehold interest
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	4 years	4 years
Amortizing intangible assets, Gross Carrying Value	$ 570	$ 570
Amortizing intangible assets, Cumulative Amortization	(543)	(504)
Amortizing intangible assets, Intangible Assets, Net	27	66
Other
Amortizing intangible assets
Amortizing intangible assets, Gross Carrying Value	1,814	1,814
Amortizing intangible assets, Cumulative Amortization	(1,300)	(1,275)
Amortizing intangible assets, Intangible Assets, Net	$ 514	$ 539
Other | Minimum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	4 years	4 years
Other | Maximum
Amortizing intangible assets
Amortizing intangible assets, Useful Life (Years)	25 years	25 years
Trade names
Indefinite-lived intangible assets
Indefinite-lived intangible assets, Gross Carrying Value	$ 53,690	$ 53,690
Indefinite-lived intangible assets, Cumulative Impairment	(6,890)	(6,890)
Indefinite-lived intangible assets, Net	$ 46,800	$ 46,800