Fair Value (Schedule of Carrying Amounts and Estimated Fair Values of Financial Instruments) (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015	Jun. 30, 2015
Carrying amounts and estimated fair values of financial instruments:
Cash and due from banks, noninterest-bearing	$ 58,956	$ 53,285	$ 75,151
Due from banks, interest-bearing	189,404	213,426	102,567
Federal funds sold	143	557	674
Securities available for sale	219,762	165,614	214,450
Securities held-to-maturity	142,073	154,610	165,245
Total loans, net of allowance	2,572,111	2,490,343	2,380,689
Accrued interest receivable	9,152	9,166	9,134
FDIC Indemnification Asset	5,157	8,439	11,982
Bank-owned life insurance	73,098	72,086	56,175
Accrued interest payable	586	585	$ 625
Carrying Amount [Member] \| Quoted Prices in Market for Identical Assets (Level 1) [Member]
Carrying amounts and estimated fair values of financial instruments:
Cash and due from banks, noninterest-bearing	58,956	53,285
Due from banks, interest-bearing	189,404	213,426
Federal funds sold	143	557
Presold mortgages in process of settlement	4,104	4,323
Accrued interest receivable	9,152	9,166
Bank-owned life insurance	73,098	72,086
Carrying Amount [Member] \| Fair Value, Inputs, Level 2 [Member]
Carrying amounts and estimated fair values of financial instruments:
Securities available for sale	219,762	165,614
Securities held-to-maturity	142,073	154,610
Deposits	2,872,020	2,811,285
Borrowings	206,394	186,394
Accrued interest payable	586	585
Carrying Amount [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Carrying amounts and estimated fair values of financial instruments:
Total loans, net of allowance	2,572,111	2,490,343
FDIC Indemnification Asset	5,157	8,439
Fair Value [Member] \| Quoted Prices in Market for Identical Assets (Level 1) [Member]
Carrying amounts and estimated fair values of financial instruments:
Cash and due from banks, noninterest-bearing	58,956	53,285
Due from banks, interest-bearing	189,404	213,426
Federal funds sold	143	557
Presold mortgages in process of settlement	4,104	4,323
Accrued interest receivable	9,152	9,166
Bank-owned life insurance	73,098	72,086
Fair Value [Member] \| Fair Value, Inputs, Level 2 [Member]
Carrying amounts and estimated fair values of financial instruments:
Securities available for sale	219,762	165,614
Securities held-to-maturity	146,099	157,146
Deposits	2,871,399	2,809,828
Borrowings	198,531	178,468
Accrued interest payable	586	585
Fair Value [Member] \| Significant Unobservable Inputs (Level 3) [Member]
Carrying amounts and estimated fair values of financial instruments:
Total loans, net of allowance	2,548,380	2,484,059
FDIC Indemnification Asset	$ 5,109	$ 8,256

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This element represents the portion of the balance sheet assertion valued at fair value by the entity whether such amount is presented as a separate caption or as a parenthetical disclosure.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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Fair value portion of deposit liabilities held by the entity, including, but not limited to, foreign and domestic, interest and noninterest bearing, demand deposits, saving deposits, negotiable orders of withdrawal (NOW) and time deposits.

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Carrying amount of receivable assets originating from the indemnification agreement with the Federal Deposit Insurance Corporation (FDIC), in which the FDIC is to partially cover losses.

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The amount outstanding of funds lent to other depository institutions, securities brokers, or securities dealers in the form of Federal Funds sold; for example, immediately available funds lent under agreements or contracts that mature in one business day or roll over under a continuing contract, regardless of the nature of the transaction or the collateral involved, excluding overnight lending for commercial and industrial purposes. Also include Federal Funds sold under agreements to resell on a gross basis, excluding (1) sales of term Federal Funds, (2) due bills representing purchases of securities or other assets by the reporting bank that have not yet been delivered and similar instruments, (3) resale agreements that mature in more than one business day involving assets other than securities, and (4) yield maintenance dollar repurchase agreements.

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Amount after other than temporary impairment (OTTI) accretion, of investments in debt securities classified as held-to-maturity.

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For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

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Amount of interest payable on debt, including, but not limited to, trade payables.

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Carrying amount as of the balance sheet date of interest earned but not received. Also called accrued interest or accrued interest receivable.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums over and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes loans and leases covered under loss sharing agreements.

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