Marketable Securities (Tables)

3 Months Ended

Mar. 31, 2015

Unrealized Gain (Loss) on Investments [Abstract]

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

(Amounts in thousands)		As of March 31, 2015						As of December 31, 2014
				GAAP		Unrealized				GAAP		Unrealized
		Fair Value		Cost		Gain		Fair Value		Cost		Gain
Equity securities:
	Lexington Realty Trust	$	181,550	$	72,549	$	109,001	$	202,789	$	72,549	$	130,240
	Other		3,441		-		3,441		3,534		-		3,534
		$	184,991	$	72,549	$	112,442	$	206,323	$	72,549	$	133,774