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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (LOSS) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Statement of Income and Comprehensive Income |  |
Net income | $ 34,302 | $ 167,925
Reclassification to retained earnings due to cumulative effect of accounting change | 0 | (50)
Other comprehensive income before tax: |  |
Foreing currency translation adjustment | (1,818) | (1,238)
Amortization of net losses of pension and postretirement benefit plans | 5,362 | 5,876
Unrealized holding gains on debt securities arising during the period | 447,117 | 109,863
Unrealized net losses on cash flow hedges | (4,702) | (682)
Reclassification adjustment for net losses included in net income | 1,327 | 1,030
Other comprehensive income before tax | 447,286 | 114,799
Income tax expenses | (66,725) | (10,804)
Total other comprehensive income, net of tax | 380,561 | 103,995
Comprehensive income, net of tax | $ 414,863 | $ 271,920

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