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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 2018
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Changes in Balances of Each Component of Accumulated Other Comprehensive Income (Loss), Net of Taxes | The following table sets forth the balance of the only component of accumulated other comprehensive income (loss) as of June 30, 2018 and December 31, 2017, and the changes in the balance of that component thereof during the six month period ended June 30, 2018, net of taxes.
|  | Unrealized Gains on Available-for- Sale Securities |
Balance, December 31, 2017 |  | $ | 9,751 |
Cumulative effect of adoption of updated accounting guidance for equity financial instruments at January 1, 2018 |  |  | (9,825 | )
Reclassification of certain tax effects from accumulated other comprehensive income at January 1, 2018 |  |  | 2,100 |
Total effect of adoption of updated accounting guidance at January 1, 2018 |  |  | (7,725 | )
Other comprehensive loss before reclassifications |  |  | (8,208 | )
Amounts reclassified from accumulated other comprehensive loss |  |  | (247 | )
Net current period other comprehensive loss |  |  | (8,455 | )
Balance, June 30, 2018 |  | $ | (6,429 | )

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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