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v3.19.1

Related Party Transactions (Tables) | 12 Months Ended
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Dec. 31, 2018
Related Party Transaction [Line Items] |
Schedule of Related Party Transactions [Table Text Block] |
|  | Principal | Principal |
| December 31, 2017 | Additions | Reductions | December 31, 2018
Related Party Loans | $ | 12,405 |  | $ | 11,850 |  | $ | (2,223 | ) | $ | 22,032 |
Unfunded commitments | $ | 17,757 |  |  |  | $ | 16,109 |

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Tabular disclosure of related party transactions. Examples of related party transactions include, but are not limited to, transactions between (a) a parent company and its subsidiary; (b) subsidiaries of a common parent; (c) and entity and its principal owners and (d) affiliates. + References No definition available. + Details
Name: | us-gaap_ScheduleOfRelatedPartyTransactionsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration