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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 30, 2017
Accumulated Other Comprehensive Income (Loss) [Abstract] |
Components of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | ﻿ ﻿ ﻿ ﻿
﻿ |  |
﻿ |  |
﻿ | Unrealized gains (losses) on
﻿ | available for sale
﻿ | securities (a)
﻿Balance as of December 31, 2016 | $ | (4,119)
﻿Other comprehensive income before reclassification |  | 2,611
﻿Amount reclassified from accumulated other comprehensive income |  | (24)
﻿Total other comprehensive income |  | 2,587
﻿Balance as of June 30, 2017 | $ | (1,532)
﻿ |  |
﻿ |  |
﻿ | Unrealized gains (losses) on
﻿ | available for sale
﻿ | securities (a)
﻿Balance as of December 31, 2015 | $ | 488
﻿Other comprehensive income before reclassification |  | 2,528
﻿Amount reclassified from accumulated other comprehensive income |  | (178)
﻿Total other comprehensive income |  | 2,350
﻿Balance as of June 30, 2016 | $ | 2,838
﻿ |  |
﻿ |  |
﻿ | Unrealized gains (losses) on
﻿ | available for sale
﻿ | securities (a)
﻿Balance as of March 31, 2017 | $ | (3,317)
﻿Other comprehensive income before reclassification |  | 1,805
﻿Amount reclassified from accumulated other comprehensive income |  | (20)
﻿Total other comprehensive income |  | 1,785
﻿Balance as of June 30, 2017 | $ | (1,532)
﻿ |  |
﻿ |  |
﻿ |  |
﻿ | Unrealized gains (losses) on
﻿ | available for sale
﻿ | securities (a)
﻿Balance as of March 31, 2016 | $ | 1,779
﻿Other comprehensive income before reclassification |  | 1,195
﻿Amount reclassified from accumulated other comprehensive income |  | (136)
﻿Total other comprehensive income |  | 1,059
﻿Balance as of June 30, 2016 | $ | 2,838
﻿ ﻿ ﻿ ﻿ ﻿ ﻿ ﻿ ﻿ (a) All amounts are net of tax. Amounts in parentheses indicate debits.
Items Reclassified Out of Each Component of OCI (Loss) [Table Text Block] | ﻿ ﻿ ﻿ ﻿
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  | Amount Reclassified |  |
﻿ |  | From Accumulated |  | Affected Line Item in
﻿ |  | Other |  | Consolidated
﻿ |  | Comprehensive |  | Statements
﻿Details about other comprehensive income |  | Income (Loss) (a) |  | of Income
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  | Three months ended |  |
﻿ |  |  | June 30, |  |
﻿ |  |  | 2017 |  |  |  | 2016 |  |
﻿Unrealized gains on available for sale securities |  | $ | 31 |  |  | $ | 205 |  | Net realized gains on sales of securities
﻿ |  |  | (11) |  |  |  | (69) |  | Income tax expense
﻿ |  | $ | 20 |  |  | $ | 136 |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  |  |  |  |  |  |  |
﻿ |  |  | Six months ended |  |
﻿ |  |  | June 30, |  |
﻿ |  |  | 2017 |  |  |  | 2016 |  |
﻿Unrealized gains on available for sale securities |  | $ | 37 |  |  | $ | 270 |  | Net realized gains on sales of securities
﻿ |  |  | (13) |  |  |  | (92) |  | Income tax expense
﻿ |  | $ | 24 |  |  | $ | 178 |  |
﻿ (a) Amounts in parentheses indicate debits to 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=66004124&loc=SL7669686-108580 + Details
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