Comprehensive income (Tables)

3 Months Ended

Mar. 31, 2021

Equity [Abstract]

Components of Other Comprehensive Income (Loss) and Amounts Reclassified from Accumulated Other Comprehensive Income (Loss) to Net Income

The following tables display the components of other comprehensive income (loss) and amounts reclassified from accumulated other comprehensive income (loss) to net income: 

	Investment			Defined Benefit						Total Amount				Income
	Securities			Plans			Other			Before Tax				Tax			Net
	(In thousands)
Balance — January 1, 2021	$	195,386			(650,087	)		369,558		$	(85,143	)			22,111		$	(63,032	)
Other comprehensive income before reclassifications:
Unrealized holding losses, net		(32,025	)		—			—			(32,025	)			8,907			(23,118	)
Foreign currency translation adjustment		—			—			684			684				(136	)		548
Unrealized losses on cash flow hedges		—			—			(9,498	)		(9,498	)			2,571			(6,927	)
Total other comprehensive income before    reclassifications		(32,025	)		—			(8,814	)		(40,839	)			11,342			(29,497	)
Amounts reclassified from accumulated other    comprehensive income that (increase) decrease net income:
Amortization of unrealized holding losses on    held-to-maturity (“HTM”) securities		990			—			—			990		(a)		(276	)		714
Gains realized in net income		(3	)		—			—			(3	)	(b)		1			(2	)
Accretion of net gain on terminated cash flow hedges		—			—			(30	)		(30	)	(c)		9			(21	)
Net yield adjustment from cash flow hedges currently in effect		—			—			(82,044	)		(82,044	)	(a)		22,215			(59,829	)
Amortization of prior service credit		—			(1,050	)		—			(1,050	)	(d)		384			(666	)
Amortization of actuarial losses		—			21,850			—			21,850		(d)		(7,995	)		13,855
Total other comprehensive income (loss)		(31,038	)		20,800			(90,888	)		(101,126	)			25,680			(75,446	)
Balance — March 31, 2021	$	164,348			(629,287	)		278,670		$	(186,269	)			47,791		$	(138,478	)
Balance — January 1, 2020	$	50,701			(464,548	)		133,888		$	(279,959	)			73,279		$	(206,680	)
Other comprehensive income before reclassifications:
Unrealized holding gains, net		131,423			—			—			131,423				(34,544	)		96,879
Foreign currency translation adjustment		—			—			(3,225	)		(3,225	)			282			(2,943	)
Unrealized gains on cash flow hedges		—			—			456,333			456,333				(119,970	)		336,363
Total other comprehensive income before    reclassifications		131,423			—			453,108			584,531				(154,232	)		430,299
Amounts reclassified from accumulated other    comprehensive income that (increase) decrease net income:
Amortization of unrealized holding losses on    HTM securities		772			—			—			772		(a)		(203	)		569
Accretion of net gain on terminated cash flow hedges		—			—			(34	)		(34	)	(c)		9			(25	)
Net yield adjustment from cash flow hedges currently in effect		—			—			(32,041	)		(32,041	)	(a)		8,423			(23,618	)
Amortization of prior service credit		—			(1,050	)		—			(1,050	)	(d)		276			(774	)
Amortization of actuarial losses		—			13,650			—			13,650		(d)		(3,588	)		10,062
Total other comprehensive income		132,195			12,600			421,033			565,828				(149,315	)		416,513
Balance — March 31, 2020	$	182,896			(451,948	)		554,921		$	285,869				(76,036	)	$	209,833

(a) Included in interest income.

(b) Included in gain (loss) on bank investment securities.

(c) Included in interest expense.

(d) Included in other costs of operations.

Accumulated Other Comprehensive Income (Loss), Net

Accumulated other comprehensive income (loss), net consisted of the following:

				Defined
	Investment			Benefit
	Securities			Plans			Other			Total
	(In thousands)
Balance — December 31, 2020	$	144,602		$	(481,064	)	$	273,430		$	(63,032	)
Net gain (loss) during period		(22,406	)		13,189			(66,229	)		(75,446	)
Balance — March 31, 2021	$	122,196		$	(467,875	)	$	207,201		$	(138,478	)