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Common Stock Rights Offering (Details) - USD ($) |  |  |  | 1 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | ---
Mar. 21, 2017 | Mar. 20, 2017 | Feb. 14, 2016 | Mar. 31, 2017 | Jun. 30, 2017 | Jun. 30, 2016 | Dec. 31, 2016
Shares of common stock sold in rights offering |  | 783,626 |  |  | 7,067,000 |  | 6,269,000
Subscription price of common shares sold in rights offering |  | $ 11.93 |  |  |  |  |
Proceeds from common stock rights offering, gross |  |  |  |  | $ 9,349,000 | $ 0 |
Net proceeds from issuance of common stock |  | $ 9,200,000 |  |  |  |  |
Offering-related expenses |  | $ 144,667 |  |  | 158,000 | $ 0 |
Preferred stock redemption |  |  |  |  | $ 10,000,000 |  | $ 10,000,000
Repayment of Trust Preferred subordinated debentures |  |  |  | $ 10,800,000 |  |  |
Series A Preferred Stock [Member] |  |  |  |  |  |  |
Preferred stock redemption | $ 10,000,000 |  | $ 10,000,000 | $ 10,000,000 |  |  |

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- Definition Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -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 inflow from the additional capital contribution to the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66902209&loc=d3e3255-108585 + Details
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