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Accumulated Other Comprehensive Income (Tables) | 3 Months Ended
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Mar. 31, 2017
Accumulated Other Comprehensive Income [Abstract] |
Schedule of Accumulated Other Comprehensive Income |
﻿ |  |  |  |  |  |
﻿Changes in Accumulated Other Comprehensive Income by Component (1)
﻿ |  |  |  |  |  |
﻿ |  | Three months ended
﻿ |  | March 31,
﻿ |  | 2017 |  | 2016
﻿ |  | (unaudited)
﻿ |  | Unrealized Gains and Losses on Available-for-Sale Securities
﻿ |  |  |  |  |  |
﻿Accumulated other comprehensive income (loss), beginning of period |  | $ | 2 |  | $ | (9)
﻿Other comprehensive gain (loss) before reclassifications (2) |  |  | (1) |  |  | 69
﻿Net current-period other comprehensive income (loss) |  |  | (1) |  |  | 69
﻿Accumulated other comprehensive income (loss), end of period |  | $ | 1 |  | $ | 60
﻿
| (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 quarter ended March 31, 2017 and 2016.

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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=36458714&loc=SL7669686-108580 + Details
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