Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2020	Mar. 31, 2019
Net Income	$ 24,268	$ 26,324
Unrealized Gains on Available-for-Sale Securities:
Reversal of Previously Recognized Losses on Available for Sale Securities Included in Other Income During Period	2	0
Unrealized Gains Arising During Period	126	91
Income Tax Expense	(27)	(19)
Change in Unrealized Gains on Available-for-Sale Securities – net-of-tax	101	72
Pension and Postretirement Benefit Plans:
Amortization of Unrecognized Postretirement Benefit Losses and Costs (note 11)	138	130
Income Tax Expense	(36)	(34)
Pension and Postretirement Benefit Plans – net-of-tax	102	96
Total Other Comprehensive Income	203	168
Total Comprehensive Income	$ 24,471	$ 26,492

Amount after tax of increase (decrease) in equity from transactions and other events and circumstances from net income and other comprehensive income, attributable to parent entity. Excludes changes in equity resulting from investments by owners and distributions to owners.

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