The following tables set forth the carrying value of securities lending arrangements and repurchase agreements by class of collateral pledged and remaining contractual maturity (in thousands):



Collateral Pledged	Securities Lending Arrangements		Repurchase Agreements		Total
December 31, 2017
Corporate equity securities	$	2,353,798	$	214,413	$	2,568,211
Corporate debt securities	470,908		2,336,702		2,807,610
Mortgage- and asset-backed securities	—		2,562,268		2,562,268
U.S. government and federal agency securities	19,205		11,792,534		11,811,739
Municipal securities	—		444,861		444,861
Sovereign securities	—		2,023,530		2,023,530
Loans and other receivables	—		454,941		454,941
Total	$	2,843,911	$	19,829,249	$	22,673,160

December 31, 2016
Corporate equity securities	$	2,046,243	$	66,291	$	2,112,534
Corporate debt securities	731,276		1,907,888		2,639,164
Mortgage- and asset-backed securities	—		2,171,480		2,171,480
U.S. government and federal agency securities	41,613		9,232,624		9,274,237
Municipal securities	—		553,010		553,010
Sovereign securities	—		2,625,079		2,625,079
Loans and other receivables	—		455,960		455,960
Total	$	2,819,132	$	17,012,332	$	19,831,464



	Contractual Maturity
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		Greater than 90 Days		Total
December 31, 2017
Securities lending arrangements	$	1,676,940	$	—	$	741,971	$	425,000	$	2,843,911
Repurchase agreements	10,780,474		4,058,228		3,211,464		1,779,083		19,829,249
Total	$	12,457,414	$	4,058,228	$	3,953,435	$	2,204,083	$	22,673,160

December 31, 2016
Securities lending arrangements	$	2,131,891	$	39,673	$	104,516	$	543,052	$	2,819,132
Repurchase agreements	9,147,176		2,008,119		3,809,533		2,047,504		17,012,332
Total	$	11,279,067	$	2,047,792	$	3,914,049	$	2,590,556	$	19,831,464