Marketable Securities (Tables)

9 Months Ended

Sep. 30, 2015

Unrealized Gain (Loss) on Investments [Abstract]

Unrealized Gain (Loss) on Investments [Table Text Block]

(Amounts in thousands)		As of September 30, 2015						As of December 31, 2014
				GAAP		Unrealized				GAAP		Unrealized
		Fair Value		Cost		Gain		Fair Value		Cost		Gain
Equity securities:
	Lexington Realty Trust	$	149,599	$	72,549	$	77,050	$	202,789	$	72,549	$	130,240
	Other		3,328		-		3,328		3,534		-		3,534
		$	152,927	$	72,549	$	80,378	$	206,323	$	72,549	$	133,774