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Consolidated Statements Of Comprehensive Income (Unaudited) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Statement Of Income And Comprehensive Income [Abstract] |  |  |  |  |
Net income |  | $ 87,287 | $ 52,811 | $ 176,048 | $ 118,323
Other comprehensive income/(loss), net of tax: |  |  |  |  |
Changes in unrealized gains/(losses) on available-for-sale securities | [1],[2],[3] | (11,856) | 3,770 | (24,927) | 7,547
Amortization of losses of securities transferred to held-to-maturity from available-for-sale | [1],[2] |  | 385 |  | 909
Changes in unrealized gains/(losses) on cash flow hedging instruments | [1],[2],[4] | 712 | (518) | 3,418 | 515
Foreign currency translation adjustment | [1],[2] | (5,834) | 2,240 | (2,098) | 4,534
Total other comprehensive income/(loss), net of tax | [1],[2] | (16,978) | 5,877 | (23,607) | 13,505
Comprehensive income |  | $ 70,309 | $ 58,688 | $ 152,441 | $ 131,828
[1] | Net of tax benefit of $6.0 million and tax expense of $3.7 million for the three months ended June 30, 2018 and 2017, respectively. Net of tax benefit of $8.3 million and tax expense of $8.5 million for the six months ended June 30, 2018 and 2017, respectively.
[2] | The adoption of ASU 2018-02 on January 1, 2018 resulted in a reclassification of $3.0 million to retained earnings related to cash flow hedges and investment portfolio risk. The reclassification is reflected in the activity for the six months ended June 30, 2018. See Note 2 for further details.
[3] | There were no reclassifications to earnings during the three and six months ended June 30, 2018 and 2017, respectively.
[4] | Amounts are net of reclassifications to earnings of gains of $1.2 million and losses of $0.6 million for the three months ended June 30, 2018 and 2017, respectively. Amounts are net of reclassifications to earnings of gains of $1.8 million and losses of $1.5 million for the six months ended June 30, 2018 and 2017, respectively.

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