Slicers (applies to each fact value in each table cell)

Reporting Entity [Axis]

0000741516 (http://www.sec.gov/CIK)

Fair Value Disclosures [Abstract]	Period [Axis]
	2016-01-01 - 2016-12-31
Fair Value Disclosures [Abstract]
Schedule of fair value assets and liabilities measured on recurring basis	The following table presents the balances of financial assets measured at fair value on a recurring basis during the period (dollars in thousands):       Fair Value Measurements at December 31, 2016 Using   Balance as of December 31,   Quoted Prices in Active Markets for Identical Assets   Significant Other Observable Inputs   Significant Unobservable Inputs Description 2016   Level 1   Level 2   Level 3 Assets:               Securities available for sale:               Federal agencies and GSEs $ 104,054   $ —   $ 104,054   $ — Mortgage-backed and CMOs 79,493   —   79,493   — State and municipal 147,515   —   147,515   — Corporate 13,492   —   13,492   — Equity securities 1,948   —   1,948   — Total $ 346,502   $ —   $ 346,502   $ —       Fair Value Measurements at December 31, 2015 Using   Balance as of December 31,   Quoted Prices in Active Markets for Identical Assets   Significant Other Observable Inputs   Significant Unobservable Inputs Description 2015   Level 1   Level 2   Level 3 Assets:               Securities available for sale:               Federal agencies and GSEs $ 81,452   $ —   $ 81,452   $ — Mortgage-backed and CMOs 70,930   —   70,930   — State and municipal 175,891   —   175,891   — Corporate 10,590   —   10,590   — Equity Securities 1,486   —   —   1,486 Total $ 340,349   $ —   $ 338,863   $ 1,486
Schedule of fair value measurements using significant unobservable inputs (Level 3)	Fair Value Measurements Using Significant Unobservable Inputs (Level 3)   Balances as of January 1, 2016   Total Realized / Unrealized Gains (Losses) Included in   Purchases, Sales, Issuances and Settlements, Net   Transfer In (Out) of Level 3   Balances as of December 31, 2016 Net Income   Other Comprehensive Income   Securities available for sale:                       Equity $ 1,486   $ —   $ 93   $ —   $ (1,579 )   $ — Total assets $ 1,486   $ —   $ 93   $ —   $ (1,579 )   $ —
Schedule of assets that were measured at fair value on a nonrecurring basis	The following table summarizes the Company's assets that were measured at fair value on a nonrecurring basis during the period (dollars in thousands):       Fair Value Measurements at December 31, 2016 Using   Balance as of December 31,   Quoted Prices in Active Markets for Identical Assets   Significant Other Observable Inputs   Significant Unobservable Inputs Description 2016   Level 1   Level 2   Level 3 Assets:               Loans held for sale $ 5,996   $ —   $ 5,996   $ — Impaired loans, net of valuation allowance 2,151   —   —   2,151 Other real estate owned, net 1,328   —   —   1,328       Fair Value Measurements at December 31, 2015 Using   Balance as of December 31,   Quoted Prices in Active Markets for Identical Assets   Significant Other Observable Inputs   Significant Unobservable Inputs Description 2015   Level 1   Level 2   Level 3 Assets:               Loans held for sale $ 3,266   $ —   $ 3,266   $ — Impaired loans, net of valuation allowance 2,948   —   —   2,948 Other real estate owned, net 2,184   —   —   2,184
Schedule of quantitative information of assets measured at Level 3	Quantitative Information About Level 3 Fair Value Measurements as of December 31, 2016: Assets   Valuation Technique   Unobservable Input   Weighted Rate               Impaired loans   Discounted appraised value   Selling cost   8 %               Other real estate owned   Discounted appraised value   Selling cost   6 % Quantitative Information About Level 3 Fair Value Measurements as of December 31, 2015: Assets   Valuation Technique   Unobservable Input   Weighted Rate               Securities available for sale   Third party model based techniques   Stock price in different rate environments   49 %               Impaired loans   Discounted appraised value   Selling cost   6 %     Discounted cash flow analysis   Market rate for borrower (discount rate)   4 %               Other real estate owned   Discounted appraised value   Selling cost   6 %
Schedule of carrying values and estimated fair values of the entity's financial instruments	The carrying values and estimated fair values of the Company's financial instruments at December 31, 2016 are as follows (dollars in thousands):   Fair Value Measurements at December 31, 2016 Using   Carrying Value   Quoted Prices in Active Markets for Identical Assets   Significant Other Observable Inputs   Significant Unobservable Inputs   Fair Value Balance   Level 1   Level 2   Level 3   Financial Assets:                   Cash and cash equivalents $ 53,207   $ 53,207   $ —   $ —   $ 53,207 Securities available for sale 346,502   —   346,502   —   346,502 Restricted stock 6,224   —   6,224   —   6,224 Loans held for sale 5,996   —   5,996   —   5,996 Loans, net of allowance 1,152,020   —   —   1,136,961   1,136,961 Bank owned life insurance 18,163   —   18,163   —   18,163 Accrued interest receivable 5,083   —   5,083   —   5,083                     Financial Liabilities:                   Deposits $ 1,370,640   $ —   $ 991,785   $ 374,774   $ 1,366,559 Repurchase agreements 39,166   —   39,166   —   39,166 Other short-term borrowings 20,000   —   20,000   —   20,000 Long-term borrowings 9,980   —   —   10,156   10,156 Junior subordinated debt 27,724   —   —   24,932   24,932 Accrued interest payable 623   —   623   —   623                                                        The carrying values and estimated fair values of the Company's financial instruments at December 31, 2015 are as follows (dollars in thousands):   Fair Value Measurements at December 31, 2015 Using   Carrying Value   Quoted Prices in Active Markets for Identical Assets   Significant Other Observable Inputs   Significant Unobservable Inputs   Fair Value Balance   Level 1   Level 2   Level 3   Financial Assets:                   Cash and cash equivalents $ 95,337   $ 95,337   $ —   $ —   $ 95,337 Securities available for sale 340,349   —   338,863   1,486   340,349 Restricted stock 5,312   —   5,312   —   5,312 Loans held for sale 3,266   —   3,266   —   3,266 Loans, net of allowance 992,924   —   —   994,808   994,808 Bank owned life insurance 17,658   —   17,658   —   17,658 Accrued interest receivable 4,116   —   4,116   —   4,116                     Financial Liabilities:                   Deposits $ 1,262,660   $ —   $ 865,350   $ 396,551   $ 1,261,901 Repurchase agreements 40,611   —   40,611   —   40,611 Other borrowings 9,958   —   —   10,293   10,293 Junior subordinated debt 27,622   —   —   22,940   22,940 Accrued interest payable 655   —   655   —   655