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Derivative Financial Instruments and Hedging Activities - Narrative (Details) $ in Thousands | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Apr. 30, 2016 derivative | Sep. 30, 2016 USD ($) derivative | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) derivative | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Number of derivative instruments terminated | derivative | 1 |  |  |  |  |
Fair value hedge |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Net hedge ineffectiveness gain (loss), derivatives |  | $ (94) | $ 79 | $ 107 | $ 21 |
Fair value hedge | Interest income |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Increase (decrease) in value of designated interest rate swaps recognized in interest income |  | 241 | (813) | (825) | (393) |
Payment on interest rate swaps recorded in interest income |  | (132) | (231) | (445) | (700) |
(Decrease) increase in value of hedged loans recognized in interest income |  | (268) | 905 | 1,022 | 453 |
Decrease in value of yield maintenance agreement recognized against interest income |  | (67) | (13) | (90) | (39) |
Net loss on derivatives recognized against interest income |  | (226) | $ (152) | (338) | $ (679) |
Designated as hedging instrument | Fair value hedge |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Accrued interest on swaps |  | $ 15 |  | $ 15 |  | $ 28
Interest rate swap | Designated as hedging instrument | Fair value hedge |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Number of derivative instruments | derivative |  | 5 |  | 5 |  |
Interest rate swap | Designated as hedging instrument | Fair value hedge | Other assets |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Interest rate contracts notional amount, Asset derivatives |  | $ 0 |  | $ 0 |  | 4,407
Interest rate swap | Designated as hedging instrument | Fair value hedge | Other liabilities |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Interest rate contracts notional amount, Liability derivatives |  | 19,928 |  | 19,928 |  | 22,187
Interest rate contract | Designated as hedging instrument | Fair value hedge | Other assets |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Interest rate contracts fair value, Asset derivatives |  | 0 |  | 0 |  | 3
Interest rate contract | Designated as hedging instrument | Fair value hedge | Other liabilities |  |  |  |  |  |
Derivatives, Fair Value [Line Items] |  |  |  |  |  |
Interest rate contracts fair value, Liability derivatives |  | $ 2,480 |  | $ 2,480 |  | $ 1,658

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- Definition Payment on interest rate swaps recorded in interest income. + References No definition available. + Details
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- Definition Nominal or face amount used to calculate payments on the derivative asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5579245-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Notional Amount -URI http://asc.fasb.org/extlink&oid=6519104 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5580258-113959 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a 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. 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 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 3: 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=73719730&loc=d3e13433-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 Reference 5: 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=73719730&loc=d3e13495-108611 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 + Details
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or 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. Includes liabilities 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 210 -SubTopic 20 -Section 55 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51825145&loc=SL20226008-175313 Reference 2: 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=73719730&loc=d3e13495-108611 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: 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=73719730&loc=d3e13433-108611 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958 + Details
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- Definition Amount of unrealized gain (loss) included in earnings related to the fair value of the hedged item in an interest rate fair value hedge, offset by the gain (loss) on the hedging instrument to the extent that the fair value hedge is determined to be effective. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5618551-113959 + Details
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