Fair Value Measurements (Details) - USD ($) $ in Thousands	Dec. 31, 2018	Dec. 31, 2017
Investment securities	$ 784,139	$ 589,268
Loans held for sale	19,254	25,096
Other equity investments	218	218
Assets measured at a fair value	807,349	616,663
Liabilities measured at a fair value	269	10
Interest Rate Swap [Member]
Derivative asset	3,781	2,201
Interest Rate Swap [Member] \| Derivative Financial Instruments, Assets [Member]
Derivative asset	3,727	2,256
US Agency Securities [Member]
Investment securities	256,345	195,984
Residential Mortgage Backed Securities [Member]
Investment securities	472,231	317,836
Loans held for sale	19,254	25,096
Municipal Bonds [Member]
Investment securities	45,769	62,057
Corporate Bonds [Member]
Investment securities	9,576	13,173
Mortgage Banking Derivative [Member]
Derivative asset	229	43
Derivative liability	269	10
Fair Value, Inputs, Level 2 [Member]
Investment securities	774,345	587,550
Loans held for sale	19,254	25,096
Fair Value, Inputs, Level 2 [Member] \| Recurring [Member]
Assets measured at a fair value	797,326	614,902
Fair Value, Inputs, Level 2 [Member] \| Interest Rate Swap [Member]
Derivative asset	3,727	2,256
Fair Value, Inputs, Level 2 [Member] \| US Agency Securities [Member]
Investment securities	256,345	195,984
Fair Value, Inputs, Level 2 [Member] \| Residential Mortgage Backed Securities [Member]
Investment securities	472,231	317,836
Fair Value, Inputs, Level 2 [Member] \| Municipal Bonds [Member]
Investment securities	45,769	62,057
Fair Value, Inputs, Level 2 [Member] \| Corporate Bonds [Member]
Investment securities		11,673
Fair Value, Inputs, Level 3 [Member]
Investment securities	9,794	1,718
Other equity investments	218	218
Fair Value, Inputs, Level 3 [Member] \| Recurring [Member]
Assets measured at a fair value	10,023	1,761
Liabilities measured at a fair value	269	10
Fair Value, Inputs, Level 3 [Member] \| Corporate Bonds [Member]
Investment securities	9,576	1,500
Fair Value, Inputs, Level 3 [Member] \| Mortgage Banking Derivative [Member]
Derivative asset	$ 229	$ 43

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Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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

+ References

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Fair value, after the effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets not subject to a master netting arrangement and not elected to be offset.

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Fair value of financial and nonfinancial obligations.

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Fair value portion of loans held-for-sale including, but not limited to, mortgage loans and finance receivables.

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