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Junior Subordinated Debentures (Details) - USD ($) | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Dec. 22, 2005 | Jun. 26, 2003 | Dec. 31, 2017 | Dec. 31, 2016
Junior Subordinated Debentures (Textual) |  |  |  |
Junior subordinated debentures |  |  | $ 13,403,000 | $ 13,403,000
Dodd-Frank Act prohibits, Description |  |  | Dodd-Frank Act prohibit institutions that had more than $15 billion in assets on December 31, 2009 from including trust preferred securities as Tier 1 capital beginning in 2013, with one-third phased out over the two years ending in 2015. Financial institutions with less than $15 billion in total assets, such as the Bank, may continue to include their trust preferred securities issued prior to May 19, 2010 in Tier 1 capital, but cannot include in Tier 1 capital trust preferred securities issued after such date. |
Greenville First Statutory Trust I [Member] |  |  |  |
Junior Subordinated Debentures (Textual) |  |  |  |
Amount of trust preferred securities issued at floating rate |  | $ 6,000,000 |  |
Maturity date of trust preferred securities |  | Jun. 26, 2033 |  |
Floating interest rate of trust preferred securities |  |  | 4.77% |
Indexed period of LIBOR rate |  |  | 3-month |
Proceeds from issuance trust preferred securities |  |  | $ 6,000,000 |
Initial proceeds from capital investment in trust |  |  | 186,000 |
Junior subordinated debentures |  |  | $ 6,200,000 |
Greenville First Statutory Trust II [Member] |  |  |  |
Junior Subordinated Debentures (Textual) |  |  |  |
Amount of trust preferred securities issued at floating rate | $ 7,000,000 |  |  |
Maturity date of trust preferred securities | Dec. 22, 2035 |  |  |
Floating interest rate of trust preferred securities |  |  | 3.13% |
Indexed period of LIBOR rate |  |  | 3-month |
Proceeds from issuance trust preferred securities |  |  | $ 7,000,000 |
Initial proceeds from capital investment in trust |  |  | 217,000 |
Junior subordinated debentures |  |  | $ 7,200,000 |

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- Definition Amount of trust preferred securities issued at floating rate . + References No definition available. + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + 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 210.5-02.22(a)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of long-term debt (with maturities initially due after one year or beyond the operating cycle if longer) identified as Junior Subordinated Notes, which have a lower priority than senior instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(16)(a)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: 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(22)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The cash inflow from issuance of preferred stocks by a business trust or other special purpose entity, mainly established by a bank holding entity, to third party investors. The trust's assets are deeply subordinated debentures of the bank holding entity. Most trust preferred securities are subject to a mandatory redemption upon the repayment of the debentures. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3255-108585 + Details
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