Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
REVENUE	$ 1,862,616	$ 1,905,485	$ 1,980,689
EXPENSES:
Operating	1,337,065	1,406,376	1,422,769
General and administrative	135,770	124,338	127,078
Depreciation and amortization	134,738	150,861	144,572
Contingent consideration for acquisition of businesses		620
Shareholder litigation expense	54,295
Asset impairments	11,378	60,628	4,706
Costs and Expenses, Total	1,673,246	1,742,823	1,699,125
OTHER INCOME (EXPENSE):
Interest expense, net	(85,542)	(83,299)	(84,401)
Expenses associated with debt repayments and refinancing transactions	(56,279)	(7,141)	(602)
Gain (loss) on sale of real estate assets	38,766	(13,023)	287
Other income (expense)	(212)	525	(123)
INCOME BEFORE INCOME TAXES	86,103	59,724	196,725
Income tax expense	(137,999)	(4,386)	(7,839)
NET INCOME (LOSS)	(51,896)	55,338	188,886
Net income attributable to non-controlling interest		(1,181)
NET INCOME (LOSS) ATTRIBUTABLE TO COMMON STOCKHOLDERS	$ (51,896)	$ 54,157	$ 188,886
BASIC EARNINGS (LOSS) PER SHARE	$ (0.43)	$ 0.45	$ 1.59
DILUTED EARNINGS (LOSS) PER SHARE	$ (0.43)	0.45	1.59
DIVIDENDS DECLARED PER SHARE		$ 0.44	$ 1.76