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Derivative Financial Instruments and Hedging Activities - Information on Derivatives (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 USD ($) derivative | Dec. 31, 2017 USD ($)
Fair value hedges: |  |
Interest rate contracts fair value, Asset derivatives | $ 161 | $ 74
Interest rate contracts fair value, Liability derivatives | 375 | 740
Carrying Amounts of Hedged Assets | 17,917 | 19,260
Cumulative Amount of Fair Value Hedging Adjustment Included in the Carrying Amount of the Hedged Loans | 6 | 431
Interest and fees on loans | 79,527 | 66,799
Fair value hedge |  |
Fair value hedges: |  |
Net hedge ineffectiveness gain (loss), derivatives | 13 | 31
Fair value hedge | Interest income |  |
Fair value hedges: |  |
Increase in value of designated interest rate swaps due to LIBOR interest rate movements | 452 | 212
Payment on interest rate swaps | (149) | (333)
Decrease in value of hedged loans | (425) | (166)
Decrease in value of yield maintenance agreement | (14) | (15)
Net loss on derivatives recognized against interest income | (136) | (302)
Fair value hedge | Designated as hedging instrument |  |
Derivatives, Fair Value [Line Items] |  |
Derivatives, accrued interest, interest rate swaps | $ 3 | 8
Interest rate swap | Fair value hedge | Designated as hedging instrument |  |
Derivatives, Fair Value [Line Items] |  |
Number of derivative instruments | derivative | 5 |
Interest rate swap | Fair value hedge | Designated as hedging instrument | Other assets |  |
Fair value hedges: |  |
Interest rate contracts notional amounts, Asset derivatives | $ 8,895 | 4,019
Interest rate swap | Fair value hedge | Designated as hedging instrument | Other liabilities |  |
Fair value hedges: |  |
Interest rate contracts notional amount, Liability derivatives | 9,016 | 14,810
Interest rate contract | Fair value hedge | Designated as hedging instrument | Other assets |  |
Fair value hedges: |  |
Interest rate contracts fair value, Asset derivatives | 161 | 74
Interest rate contract | Fair value hedge | Designated as hedging instrument | Other liabilities |  |
Fair value hedges: |  |
Interest rate contracts fair value, Liability derivatives | $ 375 | $ 740

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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://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624171-113959 + Details
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- Definition The aggregate interest and fee income generated by: (1) loans the Entity has positive intent and ability to hold for the foreseeable future, or until maturity or payoff, including commercial and consumer loans, whether domestic or foreign, which may consist of: (a) industrial and agricultural; (b) real estate; and (c) real estate construction loans; (d) trade financing; (e) lease financing; (f) home equity lines-of-credit; (g) automobile and other vehicle loans; and (h) credit card and other revolving-type loans and (2) loans and leases held-for-sale which may include mortgage loans, direct financing, and sales-type leases. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 220 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.1) -URI http://asc.fasb.org/extlink&oid=114873765&loc=SL114874048-224260 + Details
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