Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2020

Fair Value Disclosures

Schedule of valuation of financial instruments measured at fair value on a recurring basis

			Fair Value Measurements at December 31, 2020 with:
			Quoted prices in		Significant
			active markets		other		Significant
			for identical		observable		unobservable
(in thousands)	Total		assets		inputs		inputs
			(Level 1)		(Level 2)		(Level 3)
Assets:
Available-for-sale securities – equity securities	$	132	$	132	$	—	$	—
Investments measured at net asset value - trading securities	$	32,039

			Fair Value Measurements at December 31, 2019 with:
			Quoted prices in		Significant
			active markets		other		Significant
			for identical		observable		unobservable
(in thousands)	Total		assets		inputs		inputs
			(Level 1)		(Level 2)		(Level 3)
Assets:
Available-for-sale securities – equity securities	$	237	$	237	$	—	$	—
Investments measured at net asset value - trading securities	$	28,476

Schedule of valuation of financial instruments measured at fair value on a non-recurring basis

			Fair Value Measurements at December 31, 2020 with:
			Quoted prices in		Significant
			active markets		other		Significant
			for identical		observable		unobservable
(in thousands)	Total		assets		inputs		inputs
			(Level 1)		(Level 2)		(Level 3)
Assets:
Assets held for sale	$	4,032	$	—	$	4,032	$	—

			Fair Value Measurements at December 31, 2019 with:
			Quoted prices		Significant
			in active		other		Significant
			markets for		observable		unobservable
(in thousands)	Total		identical assets		inputs		inputs
			(Level 1)		(Level 2)		(Level 3)
Assets:
Assets held for sale	$	5,385	$	—	$	5,385	$	—