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Comprehensive Income and Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2018
Equity [Abstract] |
Schedule of Changes in Accumulated Other Comprehensive Income (AOCI) | The following table illustrates the changes in the balance of each component of accumulated other comprehensive income for each period presented in the interim financial statements.
|  | Three Months Ended March 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Beginning balance |  | $ | 3,612 |  |  | $ | (492 | )
Other comprehensive income (loss) before reclassification |  |  | (5,634 | ) |  |  | 978 |
Amounts reclassified from accumulated other comprehensive income |  |  | (214 | ) |  |  | (26 | )
Net current period other comprehensive income (loss) |  |  | (5,848 | ) |  |  | 952 |
Ending balance |  | $ | (2,236 | ) |  | $ | 460 |
Reclassification Out of Accumulated Other Comprehensive Income | The effects of reclassifications out of accumulated other comprehensive income by the respective line items of net income are presented in the following table.
Component of Accumulated Other Comprehensive Income |  | Three Months Ended March 31, |  |  | Affected line item in the statement of income
|  | 2018 |  |  | 2017 |  |  |  |  |
|  | (in thousands) |  |  |  |  |
Unrealized gains on available-for- sale securities |  | $ | 17 |  |  | $ | 40 |  |  | Net realized losses on investments
|  |  | 17 |  |  |  | 40 |  |  | Income before income taxes
|  |  | (57 | ) |  |  | (14 | ) |  | Income tax expense
|  | $ | (40 | ) |  | $ | 26 |  |  | Net income

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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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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