Other Balance Sheet And Statement Of (Loss) Earnings Captions (Accrued Liabilities) (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	$ 19,012	$ 13,592
Accrued Commissions (AGLC) [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	2,436	863
Progressive Slot, Table And On Track Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	3,719	3,340
Player Point Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	1,047	1,006
Chip Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	639	592
Racing-Related Liabilities [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	814	1,068
Deposit Liability [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	368	420
Construction Liabilitiy [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	3,562
Other Accrued Liabilities [Member]
Accounts Payable And Accrued Liabilities [Line Items]
Accrued liabilities	$ 6,427	$ 6,303