Fair Value Disclosures (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures

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

			Fair Value Measurements at December 31, 2016 with:
(in thousands)	Total		Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs
			(Level 1)		(Level 2)		(Level 3)
Assets:
Available-for-sale securities – equity securities	$	264	$	264	$	—	$	—
Investments measured at net asset value - trading securities	$	18,367
			Fair Value Measurements at December 31, 2015 with:
(in thousands)	Total		Quoted prices in active markets for identical assets		Significant other observable inputs		Significant unobservable inputs
			(Level 1)		(Level 2)		(Level 3)
Assets:
Available-for-sale securities – equity securities	$	259	$	259	$	—	$	—
Investments measured at net asset value - trading securities	$	16,081