Business and Asset Acquisitions - Narrative (Details) $ in Thousands			3 Months Ended	6 Months Ended
	Sep. 23, 2019 USD ($) terminal location	Sep. 16, 2019 USD ($) terminal location installment_payment	Jun. 30, 2019 USD ($) terminal location	Jun. 30, 2020 USD ($) terminal location	Jun. 30, 2019 USD ($) terminal location	Dec. 31, 2019 USD ($)
Business Acquisition [Line Items]
Number of video gaming terminals | terminal			8,082	11,108	8,082
Number of video gaming locations | location			1,762	2,335	1,762
Goodwill				$ 34,511		$ 34,511
Revenues			$ 119,427		$ 231,902
Net income			$ 5,542		$ 10,711
Grand River
Business Acquisition [Line Items]
Number of video gaming terminals | terminal		2,009
Number of video gaming locations | location		450
Consideration transferred		$ 113,700
Cash payment, before additional payment for working capital adjustment		100,000
Additional payment for working capital adjustment		6,600
Contingent purchase consideration		$ 7,100
Number of installment payments | installment_payment		2
Goodwill				34,500		$ 34,500
Revenues				12,300
Net income				800
Grand River | Installment payment within 30 days following the one-year anniversary
Business Acquisition [Line Items]
Maximum amount to be paid for contingent consideration				2,500
Reversal of maximum amout to be paid for contingent consideration				$ 2,500
Grand River | Installment payment within 30 days following the three-year anniversary
Business Acquisition [Line Items]
Maximum amount to be paid for contingent consideration		$ 7,000
IGS
Business Acquisition [Line Items]
Number of video gaming terminals | terminal	139
Number of video gaming locations | location	29
Cash payment for asset acquisition	$ 2,400
Note payable	2,300
Video game terminals and equipment acquired	1,700
Location contracts acquired	$ 3,000
IGS | Notes Payable
Business Acquisition [Line Items]
Interest rate	5.00%