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Note 12 - Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2022

Notes Tables

Fair Value, by Balance Sheet Grouping [Table Text Block]

		*December 31, 2022*
*(In thousands)*		*Balance*				*Level 1*				*Level 2*				*Level 3*
Assets
Cash and cash equivalents		$	283,472			$	283,472			$	—			$	—
Restricted cash			11,593				11,593				—				—
Investment available for sale			13,670				—				—				13,670

		*December 31, 2021*
*(In thousands)*		*Balance*				*Level 1*				*Level 2*				*Level 3*
Assets
Cash and cash equivalents		$	344,557			$	344,557			$	—			$	—
Restricted cash			12,571				12,571				—				—
Investment available for sale			15,822				—				—				15,822

Liability
Contingent payments		$	62			$	—			$	—			$	62

Fair Value Asset (Liability) Measured On Recurring Basis Unobservable Input Reconciliation [Table Text Block]

		*December 31, 2022*
		*Asset*				*Liability*
*(In thousands)*		*Investment Available for Sale*				*Contingent Payments*
Balance at beginning of reporting period		$	15,822			$	(62	)
Total gains (losses) (realized or unrealized):
Included in interest income (expense)			167				—
Included in other comprehensive income (loss)			(1,684	)			—
Included in other items, net			—				—
Purchases, sales, issuances and settlements:
Settlements			(635	)			62
Balance at end of reporting period		$	13,670			$	—

		*December 31, 2021*
		*Asset*				*Liability*
*(In thousands)*		*Investment Available for Sale*				*Contingent Payments*
Balance at beginning of reporting period		$	16,692			$	(924	)
Total gains (losses) (realized or unrealized):
Included in interest income (expense)			161				(29	)
Included in other comprehensive income (loss)			(441	)			—
Included in other items, net			—				52
Purchases, sales, issuances and settlements:
Settlements			(590	)			839
Balance at end of reporting period		$	15,822			$	(62	)

Fair Value, Liabilities Measured on Recurring and Nonrecurring Basis [Table Text Block]

December 31, 2022

Outstanding Face

Carrying

Estimated

Fair Value

(In thousands)

Amount

Value

Fair Value

Hierarchy

Asset

Note receivable

$

118,162

$

83,791

$

82,338

Level 3

Liabilities

Obligation under assessment arrangements

22,293

19,304

25,738

Level 3

		*December 31, 2021*
		*Outstanding Face*				*Carrying*				*Estimated*			*Fair Value*
*(In thousands)*		*Amount*				*Value*				*Fair Value*			*Hierarchy*
Asset
Note receivable		$	103,574			$	31,766			$	35,108		Level 3
Liabilities
Obligation under assessment arrangements		$	24,306			$	20,734			$	26,908		Level 3

Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block]

		*December 31, 2022*
		*Outstanding Face*				*Carrying*				*Estimated*			*Fair Value*
*(In thousands)*		*Amount*				*Value*				*Fair Value*			*Hierarchy*
Credit Facility		$	1,187,800			$	1,169,935			$	1,183,565		Level 2
4.750% senior notes due 2027			1,000,000				990,260				928,750		Level 1
4.750% senior notes due 2031			900,000				888,540				784,125		Level 1
Other			674				674				674		Level 3
Total debt		$	3,088,474			$	3,049,409			$	2,897,114

		*December 31, 2021*
		*Outstanding Face*				*Carrying*				*Estimated*			*Fair Value*
*(In thousands)*		*Amount*				*Value*				*Fair Value*			*Hierarchy*
Prior Credit Facility		$	867,897			$	859,106			$	866,812		Level 2
4.750% senior notes due 2027			1,000,000				988,312				1,023,750		Level 1
8.625% senior notes due 2025			300,000				295,934				320,250		Level 1
4.750% senior notes due 2031			900,000				886,746				915,750		Level 1
Other			1,496				1,496				1,496		Level 3
Total debt		$	3,069,393			$	3,031,594			$	3,128,058