XML 42 R29.htm IDEA: XBRL DOCUMENT v3.21.2

Note 1 - Summary of Significant Accounting Policies - Schedule of Promotional Allowances (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Food and Beverage [Member]
Promotional allowance	$ 26,380	$ 20,055	$ 75,284	$ 69,470
Occupancy [Member]
Promotional allowance	15,721	12,007	43,970	34,162
Product and Service, Other [Member]
Promotional allowance	$ 1,904	$ 1,211	$ 4,469	$ 4,265

X

- Definition

This element represents the estimated retail value of accommodations, food and beverage, and other services furnished to guests without charge.

+ References

No definition available.

+ Details

Name:	byd_PromotionalAllowance
Namespace Prefix:	byd_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_FoodAndBeverageMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_OccupancyMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	srt_ProductOrServiceAxis=us-gaap_ProductAndServiceOtherMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: