Other Assets

The following is a summary of our other assets as of December 31, 2012 and 2011:



	2012		2011
	(In thousands)
Straight-line rent receivables, net	$	120,325	$	96,883
Marketable debt securities	5,400		43,331
Unsecured loans receivable, net	62,118		63,598
Goodwill and other intangibles, net	515,429		462,655
Assets held for sale	111,556		119,290
Other	106,857		105,475
Total other assets	$	921,685	$	891,232

At December 31, 2012, we held corporate marketable debt securities, classified as available-for-sale and included within other assets on our Consolidated Balance Sheets, having an aggregate amortized cost basis and fair value of $4.6 million and $5.4 million, respectively, and maturing on April 15, 2016. At December 31, 2011, our marketable debt securities had an aggregate amortized cost basis and fair value of $41.2 million and $43.3 million, respectively. In October 2012, we received payment on $37.5 million of our corporate marketable debt securities at par upon maturity. During 2011, we sold certain marketable debt securities for $23.1 million in proceeds and recognized aggregate gains from these sales of approximately $1.8 million (included in income from loans and investments in our Consolidated Statements of Income).