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):



	At March 31, 2017
Collateral Pledged	Securities Lending Arrangements		Repurchase Agreements		Total
Corporate equity securities	$	1,839,036	$	167,950	$	2,006,986
Corporate debt securities	683,539		1,766,716		2,450,255
Mortgage- and asset-backed securities	—		2,836,035		2,836,035
U.S. government and federal agency securities	271		8,465,938		8,466,209
Municipal securities	—		511,340		511,340
Sovereign obligations	—		2,422,148		2,422,148
Loans and other receivables	—		230,762		230,762
Total	$	2,522,846	$	16,400,889	$	18,923,735



	At December 31, 2016
Collateral Pledged	Securities Lending Arrangements		Repurchase Agreements		Total
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 obligations	—		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
	At March 31, 2017
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		Greater than 90 Days		Total
Securities lending arrangements	$	1,250,755	$	—	$	712,777	$	559,314	$	2,522,846
Repurchase agreements	8,906,185		2,321,184		3,651,291		1,522,229		16,400,889
Total	$	10,156,940	$	2,321,184	$	4,364,068	$	2,081,543	$	18,923,735



	Contractual Maturity
	At December 31, 2016
	Overnight and Continuous		Up to 30 Days		30 to 90 Days		Greater than 90 Days		Total
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