Other Balance Sheet And Statement Of (Loss) Earnings Captions (Other Operating Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Pari-Mutuel Revenue [Member]
Other operating revenue	$ 16,484	$ 14,937	$ 10,679
Sports Betting Revenue [Member]
Other operating revenue	2,166	2,723	104
iGaming Revenue [Member]
Other operating revenue	198
Other Operating Revenue [Member]
Other operating revenue	$ 18,848	$ 17,660	$ 10,783