Debt securities available-for-sale (Tables)

3 Months Ended

Mar. 31, 2019

Investments [Abstract]

Debt Securities, Available-For-Sale

		At March 31, 2019
				Gross		Gross				Weighted
		Amortized		unrealized		unrealized		Fair		average
(In thousands)		cost		gains		losses		value		yield
U.S. Treasury securities
	Within 1 year	$	3,453,820	$	677	$	4,064	$	3,450,433	2.06	%
	After 1 to 5 years		4,559,672		34,676		16,420		4,577,928	2.31
	After 5 to 10 years		2,988		138		-		3,126	3.06
Total U.S. Treasury securities			8,016,480		35,491		20,484		8,031,487	2.20
Obligations of U.S. Government sponsored entities
	Within 1 year		181,084		3		980		180,107	1.45
	After 1 to 5 years		85,737		7		1,180		84,564	1.49
Total obligations of U.S. Government sponsored entities			266,821		10		2,160		264,671	1.46
Obligations of Puerto Rico, States and political subdivisions
	Within 1 year		6,975		-		166		6,809	-
Total obligations of Puerto Rico, States and political subdivisions			6,975		-		166		6,809	-
Collateralized mortgage obligations - federal agencies
	After 1 to 5 years		1,082		-		8		1,074	2.01
	After 5 to 10 years		107,033		-		3,502		103,531	1.68
	After 10 years		612,396		2,260		17,495		597,161	2.10
Total collateralized mortgage obligations - federal agencies			720,511		2,260		21,005		701,766	2.04
Mortgage-backed securities
	Within 1 year		135		1		-		136	4.15
	After 1 to 5 years		14,133		206		1		14,338	3.14
	After 5 to 10 years		347,822		1,156		5,621		343,357	2.15
	After 10 years		4,238,051		19,949		78,307		4,179,693	2.55
Total mortgage-backed securities			4,600,141		21,312		83,929		4,537,524	2.52
Other
	After 5 to 10 years		433		5		-		438	3.62
Total other			433		5		-		438	3.62
Total debt securities available-for-sale[1]		$	13,611,361	$	59,078	$	127,744	$	13,542,695	2.29	%
[1] Includes $10 billion pledged to secure public and trust deposits, assets sold under agreements to repurchase, credit facilities and loan servicing agreements that the secured parties are not permitted to sell or repledge the collateral, of which $8.9 billion serve as collateral for public funds.

		At December 31, 2018
				Gross		Gross				Weighted
		Amortized		unrealized		unrealized		Fair		average
(In thousands)		cost		gains		losses		value		yield
U.S. Treasury securities
	Within 1 year	$	3,565,571	$	108	$	5,319	$	3,560,360	2.10	%
	After 1 to 5 years		4,483,741		13,647		35,213		4,462,175	2.25
	After 5 to 10 years		245,891		3,770		-		249,661	2.84
Total U.S. Treasury securities			8,295,203		17,525		40,532		8,272,196	2.21
Obligations of U.S. Government sponsored entities
	Within 1 year		212,951		-		1,406		211,545	1.44
	After 1 to 5 years		123,857		1		2,094		121,764	1.51
Total obligations of U.S. Government sponsored entities			336,808		1		3,500		333,309	1.47
Obligations of Puerto Rico, States and political subdivisions
	After 1 to 5 years		6,926		-		184		6,742	0.70
Total obligations of Puerto Rico, States and political subdivisions			6,926		-		184		6,742	0.70
Collateralized mortgage obligations - federal agencies
	After 1 to 5 years		749		-		7		742	1.92
	After 5 to 10 years		115,744		1		4,715		111,030	1.71
	After 10 years		638,995		1,584		23,680		616,899	2.10
Total collateralized mortgage obligations - federal agencies			755,488		1,585		28,402		728,671	2.04
Mortgage-backed securities
	Within 1 year		431		4		-		435	4.30
	After 1 to 5 years		6,762		43		1		6,804	2.74
	After 5 to 10 years		365,727		1,090		8,499		358,318	2.19
	After 10 years		3,710,731		10,679		128,189		3,593,221	2.45
Total mortgage-backed securities			4,083,651		11,816		136,689		3,958,778	2.43
Other
	After 5 to 10 years		486		2		-		488	3.62
Total other			486		2		-		488	3.62
Total debt securities available-for-sale[1]		$	13,478,562	$	30,929	$	209,307	$	13,300,184	2.25	%
[1] Includes $8.9 billion pledged to secure public and trust deposits, assets sold under agreements to repurchase, credit facilities and loan servicing agreements that the secured parties are not permitted to sell or repledge the collateral, of which $7.9 billion serve as collateral for public funds.

Debt Securities Available For Sale Unrealized Loss Position Fair Value

		At March 31, 2019
		Less than 12 months				12 months or more				Total
				Gross				Gross				Gross
		Fair		unrealized		Fair		unrealized		Fair		unrealized
(In thousands)		value		losses		value		losses		value		losses
U.S. Treasury securities		$	1,473,943	$	76	$	2,604,306	$	20,408	$	4,078,249	$	20,484
Obligations of U.S. Government sponsored entities			-		-		263,499		2,160		263,499		2,160
Obligations of Puerto Rico, States and political
	subdivisions		-		-		6,809		166		6,809		166
Collateralized mortgage obligations - federal agencies			3,447		5		480,426		21,000		483,873		21,005
Mortgage-backed securities			18,074		220		3,460,223		83,709		3,478,297		83,929
Total debt securities available-for-sale in an
	unrealized loss position	$	1,495,464	$	301	$	6,815,263	$	127,443	$	8,310,727	$	127,744

		At December 31, 2018
		Less than 12 months				12 months or more				Total
				Gross				Gross				Gross
		Fair		unrealized		Fair		unrealized		Fair		unrealized
(In thousands)		value		losses		value		losses		value		losses
U.S. Treasury securities		$	3,189,007	$	4,188	$	2,607,276	$	36,343	$	5,796,283	$	40,531
Obligations of U.S. Government sponsored entities			14,847		46		318,271		3,454		333,118		3,500
Obligations of Puerto Rico, States and political
	subdivisions		-		-		6,742		184		6,742		184
Collateralized mortgage obligations - federal agencies			66,652		489		587,869		27,913		654,521		28,402
Mortgage-backed securities			125,872		2,280		3,478,635		134,410		3,604,507		136,690
Total debt securities available-for-sale in an
	unrealized loss position	$	3,396,378	$	7,003	$	6,998,793	$	202,304	$	10,395,171	$	209,307

Schedule Of Securities Aggregate Amortized Cost Exceed 10 Of Stockholders Equity

		March 31, 2019				December 31, 2018
(In thousands)	Amortized cost		Fair value		Amortized cost		Fair value
FNMA	$	3,273,409	$	3,220,000	$	2,999,110	$	2,901,904
Freddie Mac		1,312,120		1,293,207		1,095,855		1,058,013