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v3.7.0.1

Consolidated Statements of Comprehensive Income - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2017 | Mar. 31, 2016
Net income | $ 37,325 | $ 13,829
Net unrealized gain on derivative instruments qualifying as hedges: |  |
Reclassification adjustment for loss on derivative instruments included in net income, net of tax of $56 and $57 for the three months ended in 2017 and 2016, respectively | 91 | 92
Postretirement liability adjustment: |  |
Amortization of postretirement liability (gains) losses included in net periodic benefit cost, net of tax of $217 and $(969) for the three months ended in 2017 and 2016, respectively | 357 | (1,595)
Reclassification of postretirement liability adjustment from regulatory asset, net of tax of $(725) and $0 for the three months ended in 2017 and 2016, respectively | (917) | 0
Postretirement liability adjustment | (560) | (1,595)
Foreign currency translation adjustment: |  |
Foreign currency translation adjustment recognized during the period, net of tax of $5 and $15 for the three months ended in 2017 and 2016, respectively | 9 | 25
Net unrealized gain on available-for-sale investments: |  |
Net unrealized gain (loss) on available-for-sale investments arising during the period, net of tax of $(15) and $5 for the three months ended in 2017 and 2016, respectively | (27) | 8
Reclassification adjustment for loss on available-for-sale investments included in net income, net of tax of $19 and $19 for the three months ended in 2017 and 2016, respectively | 35 | 36
Net unrealized gain on available-for-sale investments | 8 | 44
Other comprehensive loss | (452) | (1,434)
Comprehensive income | 36,873 | 12,395
Loss from discontinued operations attributable to noncontrolling interest | 0 | (11,040)
Comprehensive income attributable to common stockholders | $ 36,873 | $ 23,435

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