Consolidated Statements Of Comprehensive Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Net income	$ 56,068	$ 46,462
Other Comprehensive Income (Loss):
Change in unfunded benefit obligation for pension and other postretirement benefit plans - net of taxes	(1,229)	246
Total other comprehensive loss	(1,229)	246
Comprehensive income	54,839	46,708
Comprehensive income attributable to noncontrolling interests	(16)	(13)
Comprehensive income attributable to Avista Corporation shareholders	$ 54,823	$ 46,695