Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Consolidated Statements of Comprehensive Income
Net margins including noncontrolling interest	$ 8,891	$ 23,822
Other comprehensive income (loss):
Unrealized gain on securities available for sale		24
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)	(20)
Other comprehensive income (loss)	(179)	4
Comprehensive income including noncontrolling interest	8,712	23,826
Net comprehensive income attributable to noncontrolling interest	(797)	(296)
Comprehensive income attributable to the Association	$ 7,915	$ 23,530

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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