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Subsequent Events - Narrative (Details) - USD ($) | Nov. 01, 2018 | Oct. 31, 2018 | Sep. 30, 2018 | Jun. 27, 2018 | Dec. 31, 2017
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Subsequent Event [Line Items] |  |  |  |  |
Common stock, shares outstanding (in shares) |  |  | 12,750,272 |  | 11,152,561
Foothills Bancorp [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Cash paid upon conversion (in dollars per share) |  |  |  | $ 1.75 |
Common shares converted (in shares) |  |  |  | 0.666 |
Subsequent Event [Member] | Foothills Bancorp [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Common stock, shares outstanding (in shares) |  | 1,776,925 |  |  |
Cash consideration paid | $ 3,110,603 |  |  |  |
Common stock issued (in shares) | 1,183,232 |  |  |  |

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- Definition Business Combination, Cash Paid Upon Conversion + References No definition available. + Details
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- Definition Business Combination, Shares Issued Upon Conversion + References No definition available. + Details
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- Definition Number of shares of equity interests issued or issuable to acquire entity. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(4) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 + Details
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- Definition Number of shares of common stock outstanding. Common stock represent the ownership interest in a corporation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=109259400&loc=d3e21463-112644 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(29)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585 + Details
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- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
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- Details
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