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Changes In Accumulated Other Comprehensive Income (Loss) By Component (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | The following table presents the changes in accumulated other comprehensive income (loss) by component for the years ended December 31, 2017 and 2016. All amounts are presented net of tax. Amounts in parentheses indicate reductions to accumulated other comprehensive income.
|  | Available-for-Sale Securities |  |  |  |
|  |  |  |  |  | Total |  | Unrealized |  |
|  | Unrealized |  | Foreign |  | Unrealized |  | Gains (Losses) |  |
|  | Gains |  | Currency |  | Gains |  | on Cash Flow |  |
(amounts in thousands) |  | (Losses) (1) |  | Items |  | (Losses) |  | Hedges |  | Total
Balance, December 31, 20 15 |  | $ | (4,602 | ) |  | $ | (584 | ) |  | $ | (5,186 | ) |  | $ | (2,798 | ) |  | $ | (7,984 | )
Current period: |  |  |  |  |  |  |  |  |  |
Other comprehensive loss before |  |  |  |  |  |  |  |  |  |
reclassifications |  | (1,872 | ) |  | (146 | ) |  | (2,018 | ) |  | (629 | ) |  | (2,647 | )
Amounts reclassified from accumulated other |  |  |  |  |  |  |  |  |  |
comprehensive income to net income (1) |  | 3,793 |  |  | 730 |  |  | 4,523 |  |  | 1,216 |  |  | 5,739 |
Net current-period other comprehensive income |  | 1,921 |  |  | 584 |  |  | 2,505 |  |  | 587 |  |  | 3,092 |
Balance, December 31, 2016 |  | (2,681 | ) |  | — |  |  | (2,681 | ) |  | (2,211 | ) |  | (4,892 | )
Current period: |  |  |  |  |  |  |  |  |  |
Other comprehensive income before |  |  |  |  |  |  |  |  |  |
reclassifications |  | 7,800 |  |  | 88 |  |  | 7,888 |  |  | 406 |  |  | 8,294 |
Amounts reclassified from accumulated other |  |  |  |  |  |  |  |  |  |
comprehensive income to net income (1) |  | (5,368 | ) |  | — |  |  | (5,368 | ) |  | 1,607 |  |  | (3,761 | )
Net current-period other comprehensive income |  | 2,432 |  |  | 88 |  |  | 2,520 |  |  | 2,013 |  |  | 4,533 |
Balance, December 31, 2017 |  | $ | (249 | ) |  | $ | 88 |  |  | $ | (161 | ) |  | $ | (198 | ) |  | $ | (359 | )
(1) Reclassification amounts for available-for-sale securities are reported as gain or loss on sale of investment securities or impairment loss on investment securities on the consolidated statements of income. During the years ended December 31, 2017 and 2016, reclassification amounts of $8.8 million ($5.4 million net of taxes) and $25 thousand ($16 thousand net of taxes), respectively, were reported as gain on sale of investment securities on the consolidated statements of income. During the year ended December 31, 2016, reclassification amounts of $7.3 million ($4.5 million net of taxes) were reported as impairment loss on investment securities on the consolidated statements of income. Impairment losses recorded during the year ended December 31, 2017, were not previously deferred in accumulated comprehensive income (loss) because Customers decided to sell the securities as of December 31, 2016. Reclassification amounts for cash flow hedges are reported as interest expense on FHLB advances on the consolidated statements of income.

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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