Accumulated Other Comprehensive Loss (Tables)

9 Months Ended

Sep. 30, 2020

Accumulated Other Comprehensive Loss [Abstract]

Schedule of Accumulated Other Comprehensive Loss, Net of Tax

Accumulated other comprehensive loss, net of tax, consisted of the following as of September 30, 2020 and December 31, 2019 (dollars in thousands):

	September 30, 2020		December 31, 2019
Unfunded benefit obligation for pensions and other postretirement benefit plans -    net of taxes of $2,556 and $2,727, respectively	$	9,614	$	10,259

Reclassification out of Accumulated Other Comprehensive Income

The following table details the reclassifications out of accumulated other comprehensive loss to net income by component for the three and nine months ended September 30 (dollars in thousands).

	Amounts Reclassified from Accumulated Other Comprehensive Loss
	Three months ended September 30,						Nine months ended September 30,
Details about Accumulated Other Comprehensive Loss Components (Affected Line Item in Statement of Income)	2020			2019			2020			2019
Amortization of defined benefit pension items
Amortization of net prior service cost (a)	$	(200	)	$	(200	)	$	(600	)	$	(600	)
Amortization of net loss (a)		3,120			3,852			9,341			11,268
Adjustment due to effects of regulation (a)		(2,642	)		(3,447	)		(7,925	)		(10,057	)
Total before tax (b)		278			205			816			611
Tax expense (b)		(58	)		(43	)		(171	)		(128	)
Net of tax (b)	$	220		$	162		$	645		$	483

(a) These accumulated other comprehensive loss components are included in the computation of net periodic pension cost (see Note 6 for additional details).

(b) Description is also the affected line item on the Condensed Consolidated Statement of Income