| Fair Value Disclosures [Abstract] | Period [Axis] |
|---|
2016-01-01 - 2016-12-31 |
|---|
Fair Value Disclosures [Abstract] | |
Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis | Assets and liabilities measured at fair value on a recurring basis, including financial assets and liabilities for which the Company has elected the fair value option, are summarized below: | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2016 Using | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total | Assets: | | |
| | |
| | |
| | |
| U.S. Treasury and Agency Securities | | $ | — |
| | $ | — |
| | $ | — |
| | $ | — |
| Obligations of State and Political Subdivisions | | — |
| | 240,224 |
| | 7,295 |
| | 247,519 |
| Mortgage-backed Securities-Residential | | — |
| | 461,914 |
| | — |
| | 461,914 |
| Equity Securities | | — |
| | — |
| | 353 |
| | 353 |
| Total Securities | | $ | — |
| | $ | 702,138 |
| | $ | 7,648 |
| | $ | 709,786 |
| | | | | | | | | | Loans Held-for-Sale | | $ | — |
| | $ | 15,273 |
| | $ | — |
| | $ | 15,273 |
| | | | | | | | | | Derivative Assets | | $ | — |
| | $ | 1,291 |
| | $ | — |
| | $ | 1,291 |
| | | | | | | | | | Mortgage Servicing Rights | | $ | — |
| | $ | 611 |
| | $ | — |
| | $ | 611 |
| | | | | | | | | | Derivative Liabilities | | $ | — |
| | $ | 1,238 |
| | $ | — |
| | $ | 1,238 |
|
| | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2015 Using | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total | Assets: | | |
| | |
| | |
| | |
| U.S. Treasury and Agency Securities | | $ | — |
| | $ | 9,898 |
| | $ | — |
| | $ | 9,898 |
| Obligations of State and Political Subdivisions | | — |
| | 194,608 |
| | 9,020 |
| | 203,628 |
| Mortgage-backed Securities-Residential | | — |
| | 423,961 |
| | — |
| | 423,961 |
| Equity Securities | | — |
| | — |
| | 353 |
| | 353 |
| Total Securities | | $ | — |
| | $ | 628,467 |
| | $ | 9,373 |
| | $ | 637,840 |
| | | | | | | | | | Loans Held-for-Sale | | $ | — |
| | $ | 10,762 |
| | $ | — |
| | $ | 10,762 |
| | | | | | | | | | Derivative Assets | | $ | — |
| | $ | 1,201 |
| | $ | — |
| | $ | 1,201 |
| | | | | | | | | | Mortgage Servicing Rights | | $ | — |
| | $ | — |
| | $ | — |
| | $ | — |
| | | | | | | | | | Derivative Liabilities | | $ | — |
| | $ | 1,232 |
| | $ | — |
| | $ | 1,232 |
|
|
Reconciliation of all Assets Measured at Fair Value on Recurring Basis, Using Significant Unobservable Inputs (Level 3) | The table below presents a reconciliation of all assets measured at fair value on a recurring basis using significant unobservable inputs (Level 3) for the years ended December 31, 2016 and 2015: | | | | | | | | | | | | | | | | | | | | Obligations of State and Political Subdivisions | | Equity Securities | | | 2016 | | 2015 | | 2016 | | 2015 | Balance of Recurring Level 3 Assets at January 1 | | $ | 9,020 |
| | $ | 10,141 |
| | $ | 353 |
| | $ | 353 |
| Total Gains or Losses (realized/unrealized) Included in Other Comprehensive Income | | (75 | ) | | (6 | ) | | — |
| | — |
| Maturities / Calls | | (1,650 | ) | | (1,115 | ) | | — |
| | — |
| Purchases | | — |
| | — |
| | — |
| | — |
| Balance of Recurring Level 3 Assets at December 31 | | $ | 7,295 |
| | $ | 9,020 |
| | $ | 353 |
| | $ | 353 |
|
|
Assets and Liabilities Measured at Fair Value on Non-Recurring Basis | Assets and liabilities measured at fair value on a non-recurring basis are summarized below: | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2016 Using | | | Quoted Prices in Active Markets for Identical Assets (Level 1) | | Significant Other Observable Inputs (Level 2) | | Significant Unobservable Inputs (Level 3) | | Total | Assets: | | |
| | |
| | |
| | |
| Impaired Loans | | |
| | |
| | |
| | |
| Commercial and Industrial Loans | | $ | — |
| | $ | — |
| | $ | 79 |
| | $ | 79 |
| Commercial Real Estate Loans | | — |
| | — |
| | 545 |
| | 545 |
| Agricultural Loans | | — |
| | — |
| | 449 |
| | 449 |
|
| | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2015 Using | | | Quoted Prices in Active Markets for Identical Assets
(Level 1) | | Significant Other Observable Inputs
(Level 2) | | Significant Unobservable Inputs
(Level 3) | | Total | Assets: | | |
| | |
| | |
| | |
| Impaired Loans | | |
| | |
| | |
| | |
| Commercial and Industrial Loans | | $ | — |
| | $ | — |
| | $ | 15 |
| | $ | 15 |
| Commercial Real Estate Loans | | — |
| | — |
| | 960 |
| | 960 |
|
|
Fair Value Assets and Liabilities Measured on Nonrecurring Basis Validation Techniques | The following table presents quantitative information about Level 3 fair value measurements for financial instruments measured at fair value on a non-recurring basis at December 31, 2016 and 2015: | | | | | | | | | | | | December 31, 2016 | | Fair Value | | Valuation Technique(s) | | Unobservable Input(s) | | Range (Weighted Average) | Impaired Loans - Commercial and Industrial Loans | | $ | 79 |
| | Sales comparison approach | | Adjustment for physical condition of comparable properties sold | | 0% - 100%
(74%) | Impaired Loans - Commercial Real Estate Loans | | $ | 545 |
| | Sales comparison approach | | Adjustment for physical condition of comparable properties sold | | 30% - 77%
(49%) | Impaired Loans - Agricultural Loans | | $ | 449 |
| | Sales comparison approach | | Adjustment for physical condition of comparable properties sold | | 32% (32%) |
| | | | | | | | | | | | December 31, 2015 | | Fair Value | | Valuation Technique(s) | | Unobservable Input(s) | | Range (Weighted Average) | Impaired Loans - Commercial Industrial Loans | | $ | 15 |
| | Sales comparison approach | | Adjustment for physical condition of comparable properties sold | | 82% - 100%
(82%) | Impaired Loans - Commercial Real Estate Loans | | $ | 960 |
| | Sales comparison approach | | Adjustment for physical condition of comparable properties sold | | 30% - 86%
(75%) |
|
Carrying Amounts and Estimated Fair Values of Company's Financial Instruments | | | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2016 Using | | | Carrying Value | | Level 1 | | Level 2 | | Level 3 | | Total | Financial Assets: | | |
| | |
| | |
| | |
| | |
| Cash and Short-term Investments | | $ | 64,816 |
| | $ | 48,467 |
| | $ | 16,349 |
| | $ | — |
| | $ | 64,816 |
| Securities Held-to-Maturity | | — |
| | — |
| | — |
| | — |
| | — |
| Loans, Net | | 1,974,074 |
| | — |
| | — |
| | 1,980,523 |
| | 1,980,523 |
| FHLB Stock and Other Restricted Stock | | 13,048 |
| | N/A |
| | N/A |
| | N/A |
| | N/A |
| Accrued Interest Receivable | | 11,413 |
| | — |
| | 3,289 |
| | 8,124 |
| | 11,413 |
| Financial Liabilities: | | |
| | |
| | |
| | |
| | |
| Demand, Savings, and Money Market Deposits | | (1,971,370 | ) | | (1,971,370 | ) | | — |
| | — |
| | (1,971,370 | ) | Time Deposits | | (378,181 | ) | | — |
| | (378,000 | ) | | — |
| | (378,000 | ) | Short-term Borrowings | | (137,554 | ) | | — |
| | (137,554 | ) | | — |
| | (137,554 | ) | Long-term Debt | | (120,560 | ) | | — |
| | (109,709 | ) | | (10,793 | ) | | (120,502 | ) | Accrued Interest Payable | | (789 | ) | | — |
| | (775 | ) | | (14 | ) | | (789 | ) |
| | | | | | | | | | | | | | | | | | | | | | | | | | Fair Value Measurements at December 31, 2015 Using | | | Carrying Value | | Level 1 | | Level 2 | | Level 3 | | Total | Financial Assets: | | |
| | |
| | |
| | |
| | |
| Cash and Short-term Investments | | $ | 52,009 |
| | $ | 36,062 |
| | $ | 15,947 |
| | $ | — |
| | $ | 52,009 |
| Securities Held-to-Maturity | | 95 |
| | — |
| | 95 |
| | — |
| | 95 |
| Loans, Net | | 1,548,934 |
| | — |
| | — |
| | 1,551,497 |
| | 1,551,497 |
| FHLB Stock and Other Restricted Stock | | 8,571 |
| | N/A |
| | N/A |
| | N/A |
| | N/A |
| Accrued Interest Receivable | | 8,803 |
| | — |
| | 2,722 |
| | 6,081 |
| | 8,803 |
| Financial Liabilities: | | |
| | |
| | |
| | |
| | |
| Demand, Savings, and Money Market Deposits | | (1,520,340 | ) | | (1,520,340 | ) | | — |
| | — |
| | (1,520,340 | ) | Time Deposits | | (306,036 | ) | | — |
| | (305,965 | ) | | — |
| | (305,965 | ) | Short-term Borrowings | | (177,717 | ) | | — |
| | (177,717 | ) | | — |
| | (177,717 | ) | Long-term Debt | | (95,606 | ) | | — |
| | (90,473 | ) | | (5,538 | ) | | (96,011 | ) | Accrued Interest Payable | | (676 | ) | | — |
| | (668 | ) | | (8 | ) | | (676 | ) |
|