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Accumulated Other Comprehensive Income (Tables) | 12 Months Ended
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Dec. 31, 2017
Equity [Abstract] |
Changes in Accumulated Other Comprehensive Income | The changes in accumulated other comprehensive income (loss), by component, are as follows:
| Unrealized Gains (Losses) on Securities Available-for-Sale |  | Foreign Currency Translation Adjustments
($ in thousands) |  |  |
Balance December 31, 2016 | $ | (224 | ) |  | $ | — |
Unrealized net gain (loss) on available-for-sale securities, net of tax of $100 | (388 | ) |  | — |
Foreign currency translation adjustments, net of tax of ($4) | — |  |  | 12 |
Net current-period other comprehensive income (loss) | (388 | ) |  | 12 |
Balance December 31, 2017 | $ | (612 | ) |  | $ | 12 |
| Unrealized Gains (Losses) on Securities Available-for-Sale |  | Foreign Currency Translation Adjustments
($ in thousands) |  |  |
Balance December 31, 2015 | $ | (465 | ) |  | $ | (569 | )
Unrealized net gain (loss) on available-for-sale securities, net of tax of ($32) | 241 |  |  | — |
Foreign currency translation adjustments, net of tax of ($348) | — |  |  | 569 |
Net current-period other comprehensive income (loss) | 241 |  |  | 569 |
Balance December 31, 2016 | $ | (224 | ) |  | $ | — |

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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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