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Derivative Financial Instruments (Narrative Disclosures) (Details) - USD ($) $ in Thousands | 9 Months Ended |
--- | --- | ---
Sep. 30, 2017 | Dec. 31, 2016
Derivatives |  |
Fair value of interest rate swaps | $ 1,380 | $ 352
Interest rate swap contracts not designated as hedging instruments - liabilities, gross | 1,380 | $ 352
Derivative asset, fair value, amount offset against collateral | 0 |
Derivative Instruments in Hedges, at Fair Value, Net | $ 0 |
Interest rate derivatives, line item on income statement for gain (loss) | other non-interest income |
To commercial borrowers, corporation receives fixed rates and pays floating rates |  |
Derivatives |  |
Fair value of interest rate swaps | $ 1,400 |
To commercial borrowers, corporation receives fixed rates and pays floating rates | Minimum |  |
Derivatives |  |
Derivative, maturity date | Sep. 30, 2018 |
To commercial borrowers, corporation receives fixed rates and pays floating rates | Maximum |  |
Derivatives |  |
Derivative, maturity date | Mar. 15, 2034 |
To dealer countparties, corporation pays fixed rates and receives floating rates |  |
Derivatives |  |
Interest rate swap contracts not designated as hedging instruments - liabilities, gross | $ 1,400 |
Interest rate derivative instruments not designated as hedging instruments at fair value, net | $ 1,400 |
To dealer countparties, corporation pays fixed rates and receives floating rates | Minimum |  |
Derivatives |  |
Derivative, maturity date | Sep. 30, 2018 |
To dealer countparties, corporation pays fixed rates and receives floating rates | Maximum |  |
Derivatives |  |
Derivative, maturity date | Mar. 15, 2034 |
Not Designated as Hedging Instrument | To commercial borrowers, corporation receives fixed rates and pays floating rates |  |
Derivatives |  |
Notional value of interest rate swaps with various commercial borrowers | $ 52,300 |
Not Designated as Hedging Instrument | To dealer countparties, corporation pays fixed rates and receives floating rates |  |
Derivatives |  |
Notional value of interest rate swaps with various commercial borrowers | $ 52,300 |

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- Definition Fair value, after effects of master netting arrangements, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset offset against an obligation to return collateral. Includes assets not subject to a master netting arrangement and not elected to be offset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84234895&loc=d3e41678-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 13 -URI http://asc.fasb.org/extlink&oid=82849420&loc=SL20226016-175313 + Details
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- Definition Aggregate net fair value of all derivative instruments designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 15 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13495-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 10 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13433-108611 + Details
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