Other Comprehensive Income (Tables)

12 Months Ended

Dec. 31, 2020

Other Comprehensive Income (Loss), Net of Tax [Abstract]

Schedule of components of other comprehensive income (loss)

Other comprehensive income (loss) components, net of income tax, are shown in the following table for the years ended December 31, 2020, 2019 and 2018.

Year ended December 31, (in thousands)		Changes in Pension Plan assets and benefit obligations		Unrealized gains (losses) on AFS debt securities		Unrealized net holding loss on cash flow hedge		Total
Beginning balance at January 1, 2020		$	(26,674)	$	17,539	$	(454)	$	(9,589)
	Other comprehensive (loss) income before reclassifications	(8,675)		25,747		(244)		$	16,828
	Amounts reclassified from accumulated other comprehensive loss (income)	928		(2,596)		—		$	(1,668)
Net current period other comprehensive (loss) income		$	(7,747)	$	23,151	$	(244)	$	15,160
Ending balance at December 31, 2020		$	(34,421)	$	40,690	$	(698)	$	5,571
Beginning balance at January 1, 2019		$	(29,672)	$	(20,116)	$	—	$	(49,788)
	Other comprehensive income (loss) before reclassifications (1)	1,511		37,322		(454)		$	38,379
	Amounts reclassified from accumulated other comprehensive loss	1,487		333		—		$	1,820
Net current period other comprehensive income (loss)		$	2,998	$	37,655	$	(454)	$	40,199
Ending balance at December 31, 2019		$	(26,674)	$	17,539	$	(454)	$	(9,589)
Beginning balance at January 1, 2018, as previously presented		$	(23,526)	$	(2,928)	$	—	$	(26,454)
	Cumulative effect of change in accounting principle for marketable equity securities, net of tax	—		(995)		—		(995)
Beginning balance at January 1, 2018, as adjusted		(23,526)		(3,923)		—		(27,449)
	Reclassification of disproportionate income tax effects	(3,175)		(631)		—		(3,806)
Net current period activity
	Other comprehensive loss before reclassifications	(4,046)		(17,586)		—		(21,632)
	Amounts reclassified from accumulated other comprehensive loss	1,075		2,024		—		3,099
Net current period other comprehensive loss		(2,971)		(15,562)		—		(18,533)
Ending balance at December 31, 2018		$	(29,672)	$	(20,116)	$	—	$	(49,788)

(1) During the year ended December 31, 2019, Park transferred HTM securities with a fair value of $373.9 million to AFS classification. The transfer occurred at fair value and had a related unrealized gain of $24.2 million ($19.1 million net of taxes), recorded in other comprehensive income.

The following table provides information concerning amounts reclassified out of accumulated other comprehensive income (loss) for the years ended December 31, 2020, 2019 and 2018:

		Amount Reclassified from Accumulated Other Comprehensive Income (Loss)						Affected Line Item in the Consolidated Statements of Income
(In thousands)		2020		2019		2018
Amortization of defined benefit pension items
	Amortization of net loss	$	1,175	1,882		1,361		Employee benefits
Income before income taxes		1,175		1,882		1,361		Income before income taxes
	Income taxes	247		395		286		Income taxes
	Net of income tax	$	928	$	1,487	$	1,075	Net income
Unrealized gains & losses on AFS debt securities
	(Gain) loss on the sale of debt securities	$	(3,286)	$	421	$	2,562	Net gain (loss) on the sale of debt securities
(Income) loss before income taxes		(3,286)		421		2,562		Income before income taxes
	Income tax (benefit) expense	(690)		88		538		Income taxes
	Net of income (benefit) tax	$	(2,596)	$	333	$	2,024	Net income