Investments (Tables)

3 Months Ended

Mar. 31, 2015

Schedule of investments in available-for-sale securities at fair values

Investments in available-for-sale securities at fair value were as follows for the periods ended (in thousands):



	March 31, 2015									December 31, 2014
Description of the Securities	Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value		Amortized Cost		Gross Unrealized Gains		Gross Unrealized Losses			Fair Value
Agency securities	$	617,874	$	1,573	$	(98	)	$	619,349	$	637,474	$	1,296	$	(457	)	$	638,313
Corporate securities	777,546		605		(562		)	777,589		795,255		232		(1,372		)	794,115
Municipal securities	39,098		68		(8		)	39,158		48,744		17		(31		)	48,730
Government securities	130,367		219		(1		)	130,585		121,431		37		(256		)	121,212
Total	$	1,564,885	$	2,465	$	(669	)	$	1,566,681	$	1,602,904	$	1,582	$	(2,116	)	$	1,602,370

- Definition

Tabular disclosure of available-for-sale securities which includes, but is not limited to, changes in the cost basis and fair value, fair value and gross unrealized gain (loss), fair values by type of security, contractual maturity and classification, amortized cost basis, contracts to acquire securities to be accounted for as available-for-sale, debt maturities, transfers to trading, change in net unrealized holding gain (loss) net of tax, continuous unrealized loss position fair value, aggregate losses qualitative disclosures, other than temporary impairment (OTTI) losses or other disclosures related to available for sale securities.

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