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Federal Home Loan Bank Advances and Other Borrowings (Details Textual) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2017 USD ($) Agreements | Dec. 31, 2016 USD ($) Agreements | Sep. 30, 2017 USD ($)
Federal Home Loan Bank Advances and Other Borrowings (Textual) |  |  |
FHLB advances and other borrowings | $ 67,200 | $ 115,200 |
FHLB advances | 60,000 | 96,000 |
Outstanding amount | 67,200 | 115,200 |
Securities sold under structured agreements to repurchase | 7,200 | 19,200 |
FHLB advances are secured mortgage loans | 487,000 |  |
FHLB stock | 3,800 |  |
Amount of FHLB advances at fixed rates | $ 55,000 |  |
Percentage of FHLB advances at fixed rates | 91.70% |  |
Amount of FHLB advances at floating rates | $ 5,000 |  |
Percentage of FHLB advances at floating rates | 8.30% |  |
Structured debt agreements secured by investment securities | $ 7,700 | $ 21,000 |
Number of structured debt agreements | Agreements | 2 | 4 |
Interest only line of credit | $ 15,000 |  |
Line of credit facility, maturity date | Jun. 30, 2020 |  |
Restructured FHLB advances |  |  | $ 25,000
Description of present value of cash flow of modified FHLB advances | Present value of the cash flows of the modified advance did not change by more than 10% from the present value of the cash flows of the original advances. |  |
Rate | 2.53% | 3.41% |
FHLB advances weighted average rate | 4.39% |  |
Restructured FHLB advances, weighted average remaining life | 8 months |  |
FHLB advances, weighted average remaining life | 22 months |  |
Restructured FHLB advances, weighted average interest rate | 3.36% |  |
LIBOR [Member] |  |  |
Federal Home Loan Bank Advances and Other Borrowings (Textual) |  |  |
Line of credit facility, Interest rate description | LIBOR plus 2.50 |  |
Floor [Member] |  |  |
Federal Home Loan Bank Advances and Other Borrowings (Textual) |  |  |
Line of credit, interest rate | 2.50% |  |

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- Definition Federal home loan bank advance maturities summary fixed rate. + References No definition available. + Details
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- Definition FHLB advances and related debt. + References No definition available. + Details
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- Definition Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Discloses the single interest rate [if] applicable to the advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 + Details
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- Definition Amount of Federal Home Loan Bank (FHLB) advances which have fixed interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- Definition Amount of Federal Home Loan Bank (FHLB) advances which have floating interest rates. + References Reference 1: 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6479118&loc=d3e64650-112822 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 Reference 4: 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(13)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 470 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=75038535&loc=d3e64711-112823 + Details
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- Definition Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 325 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=75031641&loc=d3e63345-112809 + Details
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