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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME
Net income	$ 28,239	$ 28,488	$ 19,300
Other comprehensive income, net of taxes:
Pension adjustment	(166)	(242)	215
Unrealized gain (loss) on securities, net of reclassification adjustments	7	47	(13)
Comprehensive income	$ 28,080	$ 28,293	$ 19,502

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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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