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Fair Value (Tables) | 9 Months Ended
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Sep. 30, 2017
Fair Value Disclosures [Abstract] |
Assets Measured on Recurring Basis Measured at Fair Value | The following tables present the balances of assets that were measured at fair value on a recurring basis as of September 30, 2017, December 31, 2016 and September 30, 2016.
| At September 30, 2017
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Securities available for sale |  |  |  |  |  |  |
Mortgage-backed securities | $ | — |  |  | $ | 288,789,000 |  |  | $ | — |  |  | $ | 288,789,000 |
State and political subdivisions | — |  |  | 6,842,000 |  |  | — |  |  | 6,842,000 |
Other equity securities | — |  |  | 3,368,000 |  |  | — |  |  | 3,368,000 |
Total securities available for sale | — |  |  | 298,999,000 |  |  | — |  |  | 298,999,000 |
Interest rate swap agreements | — |  |  | 1,592,000 |  |  | — |  |  | 1,592,000 |
Total assets | $ | — |  |  | $ | 300,591,000 |  |  | $ | — |  |  | $ | 300,591,000 |
| At December 31, 2016
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Securities available for sale |  |  |  |  |  |  |
Mortgage-backed securities | $ | — |  |  | $ | 280,604,000 |  |  | $ | — |  |  | $ | 280,604,000 |
State and political subdivisions | — |  |  | 16,482,000 |  |  | — |  |  | 16,482,000 |
Other equity securities | — |  |  | 3,330,000 |  |  | — |  |  | 3,330,000 |
Total securities available for sale | — |  |  | 300,416,000 |  |  | — |  |  | 300,416,000 |
Interest rate swap agreements | — |  |  | 1,790,000 |  |  | — |  |  | 1,790,000 |
Total assets | $ | — |  |  | $ | 302,206,000 |  |  | $ | — |  |  | $ | 302,206,000 |
| At September 30, 2016
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Securities available for sale |  |  |  |  |  |  |
Mortgage-backed securities | $ | — |  |  | $ | 261,514,000 |  |  | $ | — |  |  | $ | 261,514,000 |
State and political subdivisions | — |  |  | 17,484,000 |  |  | — |  |  | 17,484,000 |
Other equity securities | — |  |  | 3,295,000 |  |  | — |  |  | 3,295,000 |
Total securities available for sale | — |  |  | 282,293,000 |  |  | — |  |  | 282,293,000 |
Interest rate swap agreements | — |  |  | 90,000 |  |  | — |  |  | 90,000 |
Total assets | $ | — |  |  | $ | 282,383,000 |  |  | $ | — |  |  | $ | 282,383,000 |
Assets Measured on Nonrecurring Basis Measured at Fair Value | The following tables include assets measured at fair value on a nonrecurring basis that have had a fair value adjustment since their initial recognition. Other real estate owned is presented net of an allowance of $53,000, $205,000 and $162,000 at September 30, 2017, December 31, 2016, and September 30, 2016, respectively. Only collateral-dependent impaired loans with a related specific allowance for loan losses or a partial charge off are included in impaired loans for purposes of fair value disclosures. Impaired loans below are presented net of specific allowances of $1,553,000, $478,000 and $496,000 at September 30, 2017, December 31, 2016, and September 30, 2016, respectively.
| At September 30, 2017
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Other real estate owned | $ | — |  |  | $ | 320,000 |  |  | $ | — |  |  | $ | 320,000 |
Impaired loans | — |  |  | 7,334,000 |  |  | — |  |  | 7,334,000 |
Total assets | $ | — |  |  | $ | 7,654,000 |  |  | $ | — |  |  | $ | 7,654,000 |
| At December 31, 2016
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Other real estate owned | $ | — |  |  | $ | 375,000 |  |  | $ | — |  |  | $ | 375,000 |
Impaired loans | — |  |  | 827,000 |  |  | — |  |  | 827,000 |
Total assets | $ | — |  |  | $ | 1,202,000 |  |  | $ | — |  |  | $ | 1,202,000 |
| At September 30, 2016
| Level 1 |  | Level 2 |  | Level 3 |  | Total
Other real estate owned | $ | — |  |  | $ | 855,000 |  |  | $ | — |  |  | $ | 855,000 |
Impaired loans | — |  |  | 1,311,000 |  |  | — |  |  | 1,311,000 |
Total assets | $ | — |  |  | $ | 2,166,000 |  |  | $ | — |  |  | $ | 2,166,000 |
Estimated Fair Value of Financial Instruments | The carrying amount and estimated fair values for financial instruments as of September 30, 2017 were as follows:
| Carrying value |  | Estimated fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 22,375,000 |  |  | $ | 22,375,000 |  |  | $ | 22,375,000 |  |  | $ | — |  |  | $ | — |
Interest bearing deposits in other banks | 584,000 |  |  | 584,000 |  |  | 584,000 |  |  | — |  |  | — |
Securities available for sale | 298,999,000 |  |  | 298,999,000 |  |  | — |  |  | 298,999,000 |  |  | — |
Securities to be held to maturity | 242,679,000 |  |  | 245,021,000 |  |  | — |  |  | 245,021,000 |  |  | — |
Restricted equity securities | 10,798,000 |  |  | 10,798,000 |  |  | — |  |  | 10,798,000 |  |  | — |
Loans held for sale | 434,000 |  |  | 434,000 |  |  | — |  |  | 434,000 |  |  | — |
Loans (net of allowance for loan losses) |  |  |  |  |  |  |  |  |
Commercial |  |  |  |  |  |  |  |  |
Real estate | 296,888,000 |  |  | 290,475,000 |  |  | — |  |  | 351,000 |  |  | 290,124,000 |
Construction | 32,348,000 |  |  | 31,649,000 |  |  | — |  |  | — |  |  | 31,649,000 |
Other | 169,493,000 |  |  | 167,710,000 |  |  | — |  |  | 6,259,000 |  |  | 161,451,000 |
Municipal | 33,289,000 |  |  | 33,466,000 |  |  | — |  |  | — |  |  | 33,466,000 |
Residential |  |  |  |  |  |  |  |  |
Term | 428,318,000 |  |  | 431,112,000 |  |  | — |  |  | 724,000 |  |  | 430,388,000 |
Construction | 15,461,000 |  |  | 15,307,000 |  |  | — |  |  | — |  |  | 15,307,000 |
Home equity line of credit | 109,433,000 |  |  | 107,891,000 |  |  | — |  |  | — |  |  | 107,891,000 |
Consumer | 24,844,000 |  |  | 24,416,000 |  |  | — |  |  | — |  |  | 24,416,000 |
Total loans | 1,110,074,000 |  |  | 1,102,026,000 |  |  | — |  |  | 7,334,000 |  |  | 1,094,692,000 |
Mortgage servicing rights | 1,109,000 |  |  | 1,888,000 |  |  | — |  |  | 1,888,000 |  |  | — |
Interest rate swap agreements | 1,592,000 |  |  | 1,592,000 |  |  | — |  |  | 1,592,000 |  |  | — |
Accrued interest receivable | 5,820,000 |  |  | 5,820,000 |  |  | — |  |  | 5,820,000 |  |  | — |
Financial liabilities |  |  |  |  |  |  |  |  |
Demand deposits | $ | 193,089,000 |  |  | $ | 187,310,000 |  |  | $ | — |  |  | $ | 187,310,000 |  |  | $ | — |
NOW deposits | 291,403,000 |  |  | 274,629,000 |  |  | — |  |  | 274,629,000 |  |  | — |
Money market deposits | 134,257,000 |  |  | 126,541,000 |  |  | — |  |  | 126,541,000 |  |  | — |
Savings deposits | 234,456,000 |  |  | 207,813,000 |  |  | — |  |  | 207,813,000 |  |  | — |
Local certificates of deposit | 220,702,000 |  |  | 220,047,000 |  |  | — |  |  | 220,047,000 |  |  | — |
National certificates of deposit | 276,142,000 |  |  | 276,078,000 |  |  | — |  |  | 276,078,000 |  |  | — |
Total deposits | 1,350,049,000 |  |  | 1,292,418,000 |  |  | — |  |  | 1,292,418,000 |  |  | — |
Repurchase agreements | 75,412,000 |  |  | 72,948,000 |  |  | — |  |  | 72,948,000 |  |  | — |
Federal Home Loan Bank advances | 158,916,000 |  |  | 158,424,000 |  |  | — |  |  | 158,424,000 |  |  | — |
Total borrowed funds | 234,328,000 |  |  | 231,372,000 |  |  | — |  |  | 231,372,000 |  |  | — |
Accrued interest payable | 605,000 |  |  | 605,000 |  |  | — |  |  | 605,000 |  |  | — |
The carrying amounts and estimated fair values for financial instruments as of December 31, 2016 were as follows:
| Carrying value |  | Estimated fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 17,366,000 |  |  | $ | 17,366,000 |  |  | $ | 17,366,000 |  |  | $ | — |  |  | $ | — |
Interest bearing deposits in other banks | 293,000 |  |  | 293,000 |  |  | 293,000 |  |  | — |  |  | — |
Securities available for sale | 300,416,000 |  |  | 300,416,000 |  |  | — |  |  | 300,416,000 |  |  | — |
Securities to be held to maturity | 226,828,000 |  |  | 225,537,000 |  |  | — |  |  | 225,537,000 |  |  | — |
Restricted equity securities | 11,930,000 |  |  | 11,930,000 |  |  | — |  |  | 11,930,000 |  |  | — |
Loans held for sale | 782,000 |  |  | 782,000 |  |  | — |  |  | 782,000 |  |  | — |
Loans (net of allowance for loan losses) |  |  |  |  |  |  |  |  |
Commercial |  |  |  |  |  |  |  |  |
Real estate | 297,952,000 |  |  | 293,103,000 |  |  | — |  |  | 558,000 |  |  | 292,545,000 |
Construction | 24,954,000 |  |  | 24,548,000 |  |  | — |  |  | — |  |  | 24,548,000 |
Other | 148,737,000 |  |  | 147,394,000 |  |  | — |  |  | 33,000 |  |  | 147,361,000 |
Municipal | 27,035,000 |  |  | 27,446,000 |  |  | — |  |  | — |  |  | 27,446,000 |
Residential |  |  |  |  |  |  |  |  |
Term | 409,999,000 |  |  | 410,327,000 |  |  | — |  |  | 236,000 |  |  | 410,091,000 |
Construction | 18,253,000 |  |  | 18,125,000 |  |  | — |  |  | — |  |  | 18,125,000 |
Home equity line of credit | 109,986,000 |  |  | 108,740,000 |  |  | — |  |  | — |  |  | 108,740,000 |
Consumer | 24,472,000 |  |  | 24,131,000 |  |  | — |  |  | — |  |  | 24,131,000 |
Total loans | 1,061,388,000 |  |  | 1,053,814,000 |  |  | — |  |  | 827,000 |  |  | 1,052,987,000 |
Mortgage servicing rights | 1,113,000 |  |  | 1,696,000 |  |  | — |  |  | 1,696,000 |  |  | — |
Interest rate swap agreements | 1,790,000 |  |  | 1,790,000 |  |  | — |  |  | 1,790,000 |  |  | — |
Accrued interest receivable | 5,532,000 |  |  | 5,532,000 |  |  | — |  |  | 5,532,000 |  |  | — |
Financial liabilities |  |  |  |  |  |  |  |  |
Demand deposits | $ | 140,482,000 |  |  | $ | 133,342,000 |  |  | $ | — |  |  | $ | 133,342,000 |  |  | $ | — |
NOW deposits | 282,971,000 |  |  | 259,418,000 |  |  | — |  |  | 259,418,000 |  |  | — |
Money market deposits | 125,544,000 |  |  | 115,087,000 |  |  | — |  |  | 115,087,000 |  |  | — |
Savings deposits | 217,340,000 |  |  | 188,260,000 |  |  | — |  |  | 188,260,000 |  |  | — |
Local certificates of deposit | 210,316,000 |  |  | 209,370,000 |  |  | — |  |  | 209,370,000 |  |  | — |
National certificates of deposit | 266,304,000 |  |  | 266,372,000 |  |  | — |  |  | 266,372,000 |  |  | — |
Total deposits | 1,242,957,000 |  |  | 1,171,849,000 |  |  | — |  |  | 1,171,849,000 |  |  | — |
Repurchase agreements | 84,174,000 |  |  | 79,827,000 |  |  | — |  |  | 79,827,000 |  |  | — |
Federal Home Loan Bank advances | 194,727,000 |  |  | 193,733,000 |  |  | — |  |  | 193,733,000 |  |  | — |
Total borrowed funds | 278,901,000 |  |  | 273,560,000 |  |  | — |  |  | 273,560,000 |  |  | — |
Accrued interest payable | 479,000 |  |  | 479,000 |  |  | — |  |  | 479,000 |  |  | — |
The carrying amount and estimated fair values for financial instruments as of September 30, 2016 were as follows:
| Carrying value |  | Estimated fair value |  | Level 1 |  | Level 2 |  | Level 3
Financial assets |  |  |  |  |  |  |  |  |
Cash and cash equivalents | $ | 23,456,000 |  |  | $ | 23,456,000 |  |  | $ | 23,456,000 |  |  | $ | — |  |  | $ | — |
Interest bearing deposits in other banks | 15,098,000 |  |  | 15,098,000 |  |  | 15,098,000 |  |  | — |  |  | — |
Securities available for sale | 282,293,000 |  |  | 282,293,000 |  |  | — |  |  | 282,293,000 |  |  | — |
Securities to be held to maturity | 188,770,000 |  |  | 195,797,000 |  |  | — |  |  | 195,797,000 |  |  | — |
Restricted equity securities | 14,048,000 |  |  | 14,048,000 |  |  | — |  |  | 14,048,000 |  |  | — |
Loans held for sale | 1,228,000 |  |  | 1,228,000 |  |  | — |  |  | 1,228,000 |  |  | — |
Loans (net of allowance for loan losses) |  |  |  |  |  |  |  |  |
Commercial |  |  |  |  |  |  |  |  |
Real estate | 293,167,000 |  |  | 289,015,000 |  |  | — |  |  | 544,000 |  |  | 288,471,000 |
Construction | 18,452,000 |  |  | 18,191,000 |  |  | — |  |  | — |  |  | 18,191,000 |
Other | 129,258,000 |  |  | 129,143,000 |  |  | — |  |  | — |  |  | 129,143,000 |
Municipal | 26,132,000 |  |  | 27,270,000 |  |  | — |  |  | — |  |  | 27,270,000 |
Residential |  |  |  |  |  |  |  |  |
Term | 401,597,000 |  |  | 409,916,000 |  |  | — |  |  | 703,000 |  |  | 409,213,000 |
Construction | 14,226,000 |  |  | 14,170,000 |  |  | — |  |  | — |  |  | 14,170,000 |
Home equity line of credit | 110,989,000 |  |  | 110,220,000 |  |  | — |  |  | — |  |  | 110,220,000 |
Consumer | 24,873,000 |  |  | 24,724,000 |  |  | — |  |  | 64,000 |  |  | 24,660,000 |
Total loans | 1,018,694,000 |  |  | 1,022,649,000 |  |  | — |  |  | 1,311,000 |  |  | 1,021,338,000 |
Mortgage servicing rights | 1,071,000 |  |  | 1,683,000 |  |  | — |  |  | 1,683,000 |  |  | — |
Interest rate swap agreements | 90,000 |  |  | 90,000 |  |  | — |  |  | 90,000 |  |  | — |
Accrued interest receivable | 5,079,000 |  |  | 5,079,000 |  |  | — |  |  | 5,079,000 |  |  | — |
Financial liabilities |  |  |  |  |  |  |  |  |
Demand deposits | $ | 158,476,000 |  |  | $ | 163,498,000 |  |  | $ | — |  |  | $ | 163,498,000 |  |  | $ | — |
NOW deposits | 295,708,000 |  |  | 296,393,000 |  |  | — |  |  | 296,393,000 |  |  | — |
Money market deposits | 76,685,000 |  |  | 71,714,000 |  |  | — |  |  | 71,714,000 |  |  | — |
Savings deposits | 218,425,000 |  |  | 206,331,000 |  |  | — |  |  | 206,331,000 |  |  | — |
Local certificates of deposit | 211,402,000 |  |  | 213,622,000 |  |  | — |  |  | 213,622,000 |  |  | — |
National certificates of deposit | 213,053,000 |  |  | 213,332,000 |  |  | — |  |  | 213,332,000 |  |  | — |
Total deposits | 1,173,749,000 |  |  | 1,164,890,000 |  |  | — |  |  | 1,164,890,000 |  |  | — |
Repurchase agreements | 87,970,000 |  |  | 87,246,000 |  |  | — |  |  | 87,246,000 |  |  | — |
Federal Home Loan Bank advances | 180,128,000 |  |  | 181,918,000 |  |  | — |  |  | 181,918,000 |  |  | — |
Total borrowed funds | 268,098,000 |  |  | 269,164,000 |  |  | — |  |  | 269,164,000 |  |  | — |
Accrued interest payable | 508,000 |  |  | 508,000 |  |  | — |  |  | 508,000 |  |  | — |

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- Definition Tabular disclosure of assets and liabilities by class, including financial instruments measured at fair value that are classified in shareholders' equity, if any, that are measured at fair value on a nonrecurring basis in periods after initial recognition (for example, impaired assets). Disclosures may include, but are not limited to: (a) the fair value measurements recorded and the reasons for the measurements and (b) the level within the fair value hierarchy in which the fair value measurements are categorized in their entirety (levels 1, 2, 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 + Details
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- Definition Tabular disclosure of the fair value of financial instruments, including financial assets and financial liabilities, and the measurements of those instruments, assets, and liabilities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13476-108611 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19207-110258 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=77997519&loc=d3e13467-108611 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=75026489&loc=d3e13220-108610 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 825 -SubTopic 10 -Section 50 -Paragraph 30 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=75031198&loc=d3e14172-108612 Reference 6: 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=77997519&loc=d3e13433-108611 + Details
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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66048111&loc=d3e19190-110258 + Details
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