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Derivatives | 6 Months Ended
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Jun. 30, 2020
Derivative Instruments and Hedging Activities Disclosure [Abstract] |
Derivatives | Note 11.Derivatives Financial derivatives are reported at fair value in other assets or other liabilities. The accounting for changes in the fair value of a derivative depends on whether it has been designated and qualifies as part of a hedging relationship. For derivative instruments that are designated and qualify as a fair value hedge, the gain or loss on the derivative net investment hedge instrument as well as the offsetting gain or loss on the hedged asset or liability attributable to the hedged risk are recognized in current earnings. The gain or loss on the derivative instrument is presented on the same income statement line item as the earnings effect of the hedged item. The Company utilizes interest rate swaps designated as fair value hedges to mitigate the effect of changing interest rates on the fair values of fixed rate tax-exempt callable securities available-for-sale. The hedging strategy on securities converts the fixed interest rates to LIBOR-based variable interest rates. These derivatives are designated as partial term hedges of selected cash flows covering specified periods of time prior to the call dates of the hedged securities. The Company has elected early adoption of ASU 2017-12, Derivatives and Hedging (Topic 815) - Targeted Improvements to Accounting for Hedging Activities, which allows such partial term hedge designations. A summary of the Company’s fair value hedge relationships for the periods presented are as follows (dollars in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | Weighted |  | ​ |  | ​ |  | ​ | ​ |  | ​ |
​ | ​ | ​ | ​ | Average | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | Balance | ​ | Remaining | ​ | Weighted | ​ | ​ | ​ | ​ | ​ | ​ | ​ |
​ | ​ | Sheet | ​ | Maturity | ​ | Average | ​ | Receive | ​ | Notional | ​ | Estimated
Liability derivatives | ​ | Location | ​ | (In Years) | ​ | Pay Rate | ​ | Rate | ​ | Amount | ​ | Fair Value
June 30, 2020: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap agreements - securities |  | Other liabilities |  | 7.63 |  | 3.08 | % | 3 month LIBOR | ​ | $ | 36,000 |  | $ | (7,090)
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ |  | ​
December 31, 2019: | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
Interest rate swap agreements - securities |  | Other liabilities |  | 8.20 |  | 3.09 | % | 3 month LIBOR | ​ | $ | 36,000 | ​ | $ | (3,446)
​ The effects of the Company’s fair value hedge relationships reported in interest income on tax-exempt available-for-sale securities on the consolidated income statement were as follows (in thousands): ​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
​ |  | 2020 | ​ | 2019 | ​ | 2020 | ​ | 2019
Interest income on tax-exempt securities |  | $ | 580 | ​ | $ | 449 | ​ | $ | 1,020 | ​ | $ | 906
Effects of fair value hedge relationships | ​ |  | (164) | ​ |  | (38) | ​ |  | (321) | ​ |  | (70)
Reported interest income on tax-exempt securities | ​ | $ | 416 | ​ | $ | 411 | ​ | $ | 699 | ​ | $ | 836
​
​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | Three Months Ended | ​ | Six Months Ended
​ | ​ | June 30, | ​ | June 30,
Gain (loss) on fair value hedging relationship |  | 2020 | ​ | 2019 | ​ | 2020 | ​ | 2019
Interest rate swap agreements - securities: |  |  |  | ​ | ​ |  | ​ |  |  | ​ | ​ |
Hedged items |  | $ | 205 | ​ | $ | 1,348 | ​ | $ | 3,644 | ​ | $ | 2,237
Derivative designated as hedging instruments | ​ | $ | (205) | ​ | $ | (1,348) | ​ | $ | (3,644) | ​ | $ | (2,237)
​ The following amounts were recorded on the balance sheet related to cumulative basis adjustments for fair value hedges (in thousands): ​ ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ |  | ​ |  | ​ | Cumulative Amount of Fair
​ | ​ | ​ | ​ | ​ | Value Hedging Adjustment
​ | ​ | Carrying Amount | ​ | Included in the Carrying Amount
Line item on the balance sheet |  | of the Hedged Assets |  | of the Hedged Assets
June 30, 2020: |  |  |  | ​ | ​ |
Securities available-for-sale |  | $ | 46,177 | ​ | $ | 7,090
December 31, 2019: | ​ |  |  | ​ |  |
Securities available-for-sale | ​ | $ | 42,710 | ​ | $ | 3,446
​

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- References No definition available. + Details
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- Definition The entire disclosure for derivative instruments and hedging activities including, but not limited to, risk management strategies, non-hedging derivative instruments, assets, liabilities, revenue and expenses, and methodologies and assumptions used in determining the amounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -URI http://asc.fasb.org/topic&trid=2229140 + Details
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