SIGNIFICANT ACCOUNTING POLICIES (Tables)

12 Months Ended

Dec. 31, 2021

Accounting Policies [Abstract]

Schedule of Depreciation Expense on Property and Equipment

Depreciation expense for property and equipment is reflected in the following table:

	Property And Equipment
	Years Ended December 31,
	2021		2020		2019
	(amounts in thousands)
Depreciation expense	$	32,847	$	33,618	$	31,866

Schedule of Property and Equipment by Category

The following is a summary of the categories of property and equipment along with the range of estimated useful lives used for depreciation purposes:

	Depreciation Period				Property And Equipment
	In Years				December 31,
	From		To		2021		2020
Land, land easements and land improvements	0		15		$	105,514	$	104,671
Buildings	20		40		37,177		36,101
Equipment	3		40		227,824		216,347
Furniture and fixtures	5		10		20,619		19,896
Other		*		*	44		44
Leasehold improvements		*		*	119,930		106,642
					511,108		483,701
Accumulated depreciation					(223,378)		(192,147)
					287,730		291,554
Capital improvements in progress					88,298		48,764
Net property and equipment					$	376,028	$	340,318

*    Shorter of economic life or lease term

Contract Assets and Liabilities

The following table presents the amounts of unearned revenues as of the periods indicated:

		Unearned Revenues
		December 31,
	Balance Sheet Location	2021		2020
		(amounts in thousands)
Current	Other current liabilities	$	10,638	$	15,651
Long-term	Other long-term liabilities	$	474	$	1,294

	December 31,
Description	2021		2020
	(amounts in thousands)
Receivables, included in “Accounts receivable net of allowance for doubtful accounts”	$	273,217	$	272,321
Unearned revenue - current	10,638		15,651
Unearned revenue - noncurrent	474		1,294