Resale and Repurchase Agreements (Tables)

9 Months Ended

Sep. 30, 2022

Resale and Repurchase Agreements [Abstract]

Resale and Repurchase Agreements [Table Text Block]

							Gross Amounts Not Offset in the Balance Sheet
(In thousands)	Gross Amount Recognized		Gross Amounts Offset in the Balance Sheet		Net Amounts Presented in the Balance Sheet		Financial Instruments Available for Offset		Securities Collateral Received/Pledged		Unsecured Amount
September 30, 2022
Total resale agreements, subject to master netting arrangements	$	1,475,000	$	(200,000)	$	1,275,000	$	—	$	(1,275,000)	$	—
Total repurchase agreements, subject to master netting arrangements	2,203,390		(200,000)		2,003,390		—		(2,003,390)		—
December 31, 2021
Total resale agreements, subject to master netting arrangements	$	2,025,000	$	(400,000)	$	1,625,000	$	—	$	(1,625,000)	$	—
Total repurchase agreements, subject to master netting arrangements	3,379,582		(400,000)		2,979,582		—		(2,979,582)		—

Schedule of Underlying Assets of Repurchase Agreements [Table Text Block]

	Remaining Contractual Maturity of the Agreements
(In thousands)	Overnight and continuous		Up to 90 days		Greater than 90 days		Total
September 30, 2022
Repurchase agreements, secured by:
U.S. government and federal agency obligations	$	420,541	$	8,759	$	21,828	$	451,128
Agency mortgage-backed securities	1,178,459		20,721		202,859		1,402,039
Non-agency mortgage-backed securities	42,141		—		—		42,141
Asset-backed securities	296,075		—		—		296,075
Other debt securities	12,007		—		—		12,007
Total repurchase agreements, gross amount recognized	$	1,949,223	$	29,480	$	224,687	$	2,203,390
December 31, 2021
Repurchase agreements, secured by:
U.S. government and federal agency obligations	$	600,866	$	33,373	$	9,259	$	643,498
Agency mortgage-backed securities	1,844,652		3,908		400,250		2,248,810
Non-agency mortgage-backed securities	32,299		—		—		32,299
Asset-backed securities	422,525		—		—		422,525
Other debt securities	32,450		—		—		32,450
Total repurchase agreements, gross amount recognized	$	2,932,792	$	37,281	$	409,509	$	3,379,582