Benefit Plan (Tables)

9 Months Ended

Sep. 30, 2018

Defined Benefit Plan [Abstract]

Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block]

The following table summarizes the impact of retrospective application of this ASU to the consolidated condensed statement of income for the three and nine months ended September 30, 2017.

(in thousands)	Three Months Ended September 30, 2017		Nine Months Ended September 30, 2017
Other components of net periodic pension benefit income
As previously reported	$	—	$	—
As reported under new guidance	1,448		4,344
Total other income
As previously reported	$	22,089	$	58,847
As reported under new guidance	23,537		63,191
Employee benefits expense
As previously reported	$	4,656	$	14,756
As reported under new guidance	5,943		18,617
Miscellaneous expense
As previously reported	$	2,764	$	5,847
As reported under new guidance	2,925		6,330
Total other expense
As previously reported	$	49,811	$	145,379
As reported under new guidance	51,259		149,723

Components Of Net Periodic Benefit Expense

The following table shows the components of net periodic pension benefit income:

	Three Months Ended September 30,						Nine Months Ended September 30,						Affected Line Item in the Consolidated Condensed Statements of Income
(In thousands)	2018			2017			2018			2017
Service cost	$	1,637		$	1,317		$	4,911		$	3,951		Employee benefits
Interest cost	1,309			1,271			3,927			3,813			Other components of net periodic pension benefit income
Expected return on plan assets	(3,354		)	(2,863		)	(10,062		)	(8,589		)	Other components of net periodic pension benefit income
Amortization of prior service cost	—			—			—			—			Other components of net periodic pension benefit income
Recognized net actuarial loss	340			144			1,020			432			Other components of net periodic pension benefit income
Net periodic pension benefit income	$	(68	)	$	(131	)	$	(204	)	$	(393	)

Park has entered into Supplemental Executive Retirement Plan Agreements (the “SERP Agreements”) with certain key officers of the Corporation and its subsidiaries which provide defined pension benefits in excess of limits imposed by federal tax law. The expense for the Corporation related to the SERP Agreements for the three months and nine months ended September 30, 2018 and 2017 was as follows:

	Three Months Ended September 30,				Nine Months Ended September 30,				Affected Line Item in the Consolidated Condensed Statement of Income
(In thousands)	2018		2017		2018		2017
Service cost	$	157	$	185	$	635	$	555	Employee benefits
Interest cost	188		161		349		483		Miscellaneous expense
Total SERP expense	$	345	$	346	$	984	$	1,038