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Derivative Instruments and Hedging Activities (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2019 USD ($) Agreement | Mar. 31, 2018 USD ($) | Dec. 31, 2018 USD ($) Agreement
Interest rate derivatives - Included Component [Abstract] |  |  |
Amount of (loss) or gain recognized in OCI | $ (170) | $ 1,048 |
Amount of (gain) reclassified from AOCI into interest expense | (799) | (359) |
Derivatives Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] |  |  |
Fair value adjustment recorded related to notional amount of derivatives outstanding and notional amount of risk participation agreements [Abstract] |  |  |
Fair value adjustment | 1,595 |  | $ 2,428
Notional amount | 200,000 |  | $ 225,000
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] |  |  |
Interest rate derivatives - Included Component [Abstract] |  |  |
Amount of (loss) or gain recognized in OCI | (170) | 1,048 |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Interest (Income) Expense [Member] |  |  |
Interest rate derivatives - Included Component [Abstract] |  |  |
Amount of (gain) reclassified from AOCI into interest expense | (799) | (359) |
Derivatives Designated as Hedging Instruments [Member] | Cash Flow Hedging [Member] | Interest Rate Swaps [Member] |  |  |
Fair value adjustment recorded related to notional amount of derivatives outstanding and notional amount of risk participation agreements [Abstract] |  |  |
Amount to be reclassified from AOCI as a reduction to interest expense during next twelve months | 1,400 |  |
Derivatives Not Designated as Hedging Instruments [Member] | Other Income [Member] |  |  |
Gain or loss recognized in income on derivatives not designating as a hedging relationship [Abstract] |  |  |
(Increase) decrease in other income | $ (87) | $ 197 |
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] |  |  |
Interest rate derivatives [Abstract] |  |  |
Number of risk participation agreements held | Agreement | 10 |  | 9
Fair value adjustment recorded related to notional amount of derivatives outstanding and notional amount of risk participation agreements [Abstract] |  |  |
Fair value adjustment | $ 22,231 |  | $ 17,572
Notional amount | 695,522 |  | 653,369
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] | Other Assets [Member] |  |  |
Interest rate derivatives [Abstract] |  |  |
Fair value of derivative asset | 45 |  | 36
Derivatives Not Designated as Hedging Instruments [Member] | Interest Rate Swaps [Member] | Other Liabilities [Member] |  |  |
Interest rate derivatives [Abstract] |  |  |
Fair value of derivative liability | 35 |  | 17
Derivatives Not Designated as Hedging Instruments [Member] | Risk Participation Agreements [Member] |  |  |
Fair value adjustment recorded related to notional amount of derivatives outstanding and notional amount of risk participation agreements [Abstract] |  |  |
Notional amount | $ 77,771 |  | $ 70,785

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- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
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- Definition The estimated net amount of existing gains or losses on cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=112277219&loc=d3e80748-113994 + Details
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- Definition Fair value, before 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 elected not to be offset. Excludes assets not subject to a master netting arrangement. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=109247956&loc=SL51823488-111719 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959 + Details
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