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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2018
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income |
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﻿Changes in Accumulated Other Comprehensive Income by Component (1)
﻿ |  |  |  |  |  |
﻿ |  | Three months ended
﻿ |  | March 31,
﻿ |  | 2018 |  | 2017
﻿ |  | (unaudited)
﻿ |  | Unrealized Gains and Losses on Available-for-Sale Securities
﻿ |  |  |  |  |  |
﻿Accumulated other comprehensive income (loss), beginning of period |  | $ | (47) |  | $ | 2
﻿Other comprehensive gain (loss) before reclassifications (2) |  |  | (54) |  |  | (1)
﻿Net current-period other comprehensive income (loss) |  |  | (54) |  |  | (1)
﻿Accumulated other comprehensive income (loss), end of period |  | $ | (101) |  | $ | 1
﻿
| (1) All amounts are net of tax. Amounts in parentheses indicate a reduction of other comprehensive income.
| (2) There were no am ounts reclassified out of other comprehensive income for the three months ended March 31, 201 8 and 201 7.

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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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