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Consolidated Statements of Comprehensive Income (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2014 | Sep. 30, 2013 | Sep. 30, 2014 | Sep. 30, 2013
Statement of Comprehensive Income [Abstract] |  |  |  |
Net income | $ 170,156 | $ 170,290 | $ 497,631 | $ 439,453
Pension and other post-retirement reserves adjustment (excluding amortization) | 31 | 489 | 62 | 978
Pension and other post-retirement benefits liability |  |  |  |
Amortization of benefits liability | 240 | 695 | 685 | 2,004
Income tax provision on pension and other post-retirement benefits liability | (81) | (78) | (240) | (394)
Foreign currency translation adjustments | (37,792) | 546 | (37,882) | (844)
Available-for-sale investments |  |  |  |
Unrealized holding gains on investments | 2,129 | 205 | 6,960 | 205
Reclassification of net realized gains to net income | 0 | 0 | 1,212 | 0
Income tax provision on available-for-sale investments | (766) | (74) | (2,066) | (74)
Other comprehensive (loss) income | (36,301) | 805 | (33,817) | (81)
Comprehensive income | 133,855 | 171,095 | 463,814 | 439,372
Comprehensive income attributable to noncontrolling interests, net of tax | 2,399 | 0 | 2,399 | 0
Comprehensive income attributable to Westlake Chemical Corporation | $ 131,456 | $ 171,095 | $ 461,415 | $ 439,372

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