Other Balance Sheet And Statement Of Earnings Captions (Other Operating Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Total	$ 10,909	$ 10,128	$ 10,416
Pari-Mutuel Revenue [Member]
Total	4,572	3,665	3,674
Bowling Revenue [Member]
Total	735	642	644
Other Revenue [Member]
Total	$ 5,602	$ 5,821	$ 6,098

The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration