Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Consolidated Statements of Comprehensive Income
Net margins including noncontrolling interest	$ 5,205	$ 5,168	$ 14,096	$ 28,990
Other comprehensive income (loss):
Unrealized gain on securities available for sale		22		46
Reclassification of unrealized gain on securities available for sale included in net income			(159)
Amortization of actuarial gain on postretirement benefit obligation included in net income	(20)	(19)	(39)	(39)
Other comprehensive income (loss)	(20)	3	(198)	7
Comprehensive income including noncontrolling interest	5,185	5,171	13,898	28,997
Net comprehensive income attributable to noncontrolling interest	(827)	(377)	(1,624)	(673)
Comprehensive income attributable to the Association	$ 4,358	$ 4,794	$ 12,274	$ 28,324

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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Amount after tax and reclassification adjustments of other comprehensive income (loss).

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