Comprehensive income (Tables)

6 Months Ended

Jun. 30, 2019

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, 2019	$	(200,107	)		(354,502	)		(14,719	)	$	(569,328	)			149,247		$	(420,081	)
Other comprehensive income before reclassifications:
Unrealized holding gains, net		207,802			—			—			207,802				(54,609	)		153,193
Foreign currency translation adjustment		—			—			(507	)		(507	)			107			(400	)
Unrealized gains on cash flow hedges		—			—			188,272			188,272				(49,497	)		138,775
Total other comprehensive income before    reclassifications		207,802			—			187,765			395,567				(103,999	)		291,568
Amounts reclassified from accumulated other    comprehensive income that (increase) decrease net income:
Amortization of unrealized holding losses on    held-to-maturity (“HTM”) securities		1,691			—			—			1,691		(a)		(445	)		1,246
Losses realized in net income		7			—			—			7		(b)		(2	)		5
Accretion of net gain on terminated cash flow hedges		—			—			(56	)		(56	)	(c)		14			(42	)
Net yield adjustment from cash flow hedges currently in effect		—			—			11,176			11,176		(a)		(2,938	)		8,238
Amortization of prior service credit		—			(2,086	)		—			(2,086	)	(d)		548			(1,538	)
Amortization of actuarial losses		—			10,373			—			10,373		(d)		(2,727	)		7,646
Total other comprehensive income		209,500			8,287			198,885			416,672				(109,549	)		307,123
Balance — June 30, 2019	$	9,393			(346,215	)		184,166		$	(152,656	)			39,698		$	(112,958	)
Balance — January 1, 2018	$	(59,957	)		(413,168	)		(20,165	)	$	(493,290	)			129,476		$	(363,814	)
Cumulative effect of change in accounting principle — equity     securities		(22,795	)		—			—			(22,795	)			5,942			(16,853	)
Other comprehensive income before reclassifications:
Unrealized holding losses, net		(187,989	)		—			—			(187,989	)			49,414			(138,575	)
Foreign currency translation adjustment		—			—			(1,448	)		(1,448	)			304			(1,144	)
Unrealized losses on cash flow hedges		—			—			(21,065	)		(21,065	)			5,538			(15,527	)
Total other comprehensive income (loss) before    reclassifications		(187,989	)		—			(22,513	)		(210,502	)			55,256			(155,246	)
Amounts reclassified from accumulated other    comprehensive income that (increase) decrease net income:
Amortization of unrealized holding losses on    HTM securities		1,590			—			—			1,590		(a)		(418	)		1,172
Gains realized in net income		(18	)		—			—			(18	)	(b)		4			(14	)
Accretion of net gain on terminated cash flow hedges		—			—			(56	)		(56	)	(c)		15			(41	)
Net yield adjustment from cash flow hedges currently in effect		—			—			3,469			3,469		(a)		(912	)		2,557
Amortization of prior service credit		—			(2,086	)		—			(2,086	)	(d)		549			(1,537	)
Amortization of actuarial losses		—			21,483			—			21,483		(d)		(5,648	)		15,835
Total other comprehensive income (loss)		(186,417	)		19,397			(19,100	)		(186,120	)			48,846			(137,274	)
Balance — June 30, 2018	$	(269,169	)		(393,771	)		(39,265	)	$	(702,205	)			184,264		$	(517,941	)

(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:

	Investment			Defined Benefit
	Securities			Plans			Other			Total
	(In thousands)
Balance — December 31, 2018	$	(147,526	)		(261,303	)		(11,252	)	$	(420,081	)
Net gain during period		154,444			6,108			146,571			307,123
Balance — June 30, 2019	$	6,918			(255,195	)		135,319		$	(112,958	)