Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2019

Stockholders Equity Note [Abstract]

Components of Accumulated Other Comprehensive Income (Loss)

	Available for Sale Securities			HTM Securities Transferred from AFS			Employee Benefit Plans			Cash Flow Hedges			Equity Method Investment			Total
(in thousands)
Balance, December 31, 2017	$	(29,512	)	$	(14,585	)	$	(79,078	)	$	(11,227	)	$	—		$	(134,402	)
Other comprehensive income/loss before income taxes:
Net change in unrealized loss		(92,477	)		—			—			(18,418	)		—			(110,895	)
Reclassification of net loss realized and included in earnings		—			—			3,719			2,841			—			6,560
Other Valuation adjustments for employee benefit plan		—			—			(9,039	)		—			—			(9,039	)
Amortization of unrealized net loss on securities transferred to HTM		—			2,427			—			—			—			2,427
Income tax expense (benefit)		(20,985	)		550			(1,205	)		(3,530	)		—			(25,170	)
Balance, September 30, 2018	$	(101,004	)	$	(12,708	)	$	(83,193	)	$	(23,274	)	$	—		$	(220,179	)
Balance, December 31, 2018	$	(50,125	)	$	(12,044	)	$	(110,247	)	$	(8,293	)	$	—		$	(180,709	)
Other comprehensive income (loss) before income taxes:
Net change in unrealized gain or loss		125,589			—			—			35,472			(434	)		160,627
Reclassification of net loss realized and included in earnings		—			—			6,851			4,632			—			11,483
Valuation adjustment employee benefit plan		—			—			(7,015	)		—			—			(7,015	)
Amortization of unrealized net loss on securities transferred to HTM		—			2,435			—			—			—			2,435
Income tax expense (benefit)		28,395			551			(37	)		9,068			—			37,977
Balance, September 30, 2019	$	47,069		$	(10,160	)	$	(110,374	)	$	22,743		$	(434	)	$	(51,156	)

Line Items in Consolidated Income Statements Affected by Amounts Reclassified from Accumulated Other Comprehensive Income

	Nine Months
Amount reclassified from AOCI (a)	September 30,						Affected line item on
(in thousands)	2019			2018			the statement of income
Amortization of unrealized net loss on securities transferred to HTM	$	(2,435	)	$	(2,427	)	Interest income
Tax effect		551			550		Income taxes
Net of tax		(1,884	)		(1,877	)	Net income
Amortization of defined benefit pension and post-retirement items		(6,851	)		(3,719	)	Other noninterest expense (b)
Tax effect		1,546			842		Income taxes
Net of tax		(5,305	)		(2,877	)	Net income
Reclassification of unrealized gain (loss) on cash flow hedges		(1,200	)		1,264		Interest income
Tax effect		271			(286	)	Income taxes
Net of tax		(929	)		978		Net income
Amortization of loss on terminated cash flow hedges		(3,432	)		(4,105	)	Interest income
Tax effect		776			930		Income taxes
Net of tax		(2,656	)		(3,175	)	Net income
Total reclassifications, net of tax	$	(10,774	)	$	(6,951	)	Net income

(a) Amounts in parentheses indicate reduction in net income.

(b) These AOCI components are included in the computation of net periodic pension and post-retirement cost that is reported with employee benefits expense (see Note 12 – Retirement Plans for additional details).