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Fair Value Disclosures (Fair Value by Balance Sheet Groupings) (Details) - USD ($) $ in Thousands | Sep. 30, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Dec. 31, 2016
--- | --- | --- | --- | ---
Financial assets: |  |  |  |
Cash and cash equivalents, carrying amount | $ 40,293 | $ 52,539 | $ 73,196 | $ 77,517
Securities available-for-sale, carrying amount | 134,995 | 126,005 |  |
Securities held-to-maturity, carrying amount | 39,950 | 37,778 |  |
Loans held for sale, carrying amount | 4,712 | 2,194 |  |
Loans and leases receivable, net amount, carrying amount | 1,578,152 | 1,482,832 |  |
Federal Home Loan Bank and Federal Reserve Bank stock, carrying amount | 6,890 | 5,670 |  |
Accrued interest receivable, carrying amount | 5,678 | 5,019 |  |
Interest rate swaps - assets, carrying amount | 2,470 | 942 |  |
Cash and cash equivalents, fair value | 40,293 | 52,539 |  |
Securities available-for-sale, fair value | 134,995 | 126,005 |  |
Held-to-maturity Securities, fair value | 39,130 | 37,696 |  |
Loans Held-for-sale, Fair Value Disclosure | 5,183 | 2,413 |  |
Loans and lease receivables, net, fair value | 1,569,571 | 1,482,664 |  |
Accrued interest receivable, fair value | 5,678 | 5,019 |  |
Interest rate swaps - assets, fair value | 2,470 | 942 |  |
Financial liabilities: |  |  |  |
Deposits, carrying amount | 1,408,903 | 1,394,331 |  |
Federal Home Loan Bank and other borrowings, carrying amount | 281,430 | 207,898 |  |
Junior subordinated notes, carrying amount | 10,029 | 10,019 |  |
Accrued interest payable, carrying amount | 3,407 | 2,095 |  |
Standby letters of credit, carrying amount | 53 | 75 |  |
Deposits, fair value | 1,405,963 | 1,391,801 |  |
Federal Home Loan Bank and other borrowings fair value | 276,601 | 206,441 |  |
Junior subordinated notes, fair value | 9,951 | 8,836 |  |
Accrued interest payable, fair value | 3,407 | 2,095 |  |
Interest Rate Derivative Instruments, Both Hedging and Not Designated as Hedging, Liability at Fair Value, Fair Value Disclosure | 1,180 | 1,064 |  |
Standby letters of credit, fair value | 53 | 75 |  |
Fair Value Measurements - Level 1 Inputs |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents, fair value | 26,993 | 35,114 |  |
Securities available-for-sale, fair value | 0 | 0 |  |
Held-to-maturity Securities, fair value | 0 | 0 |  |
Loans Held-for-sale, Fair Value Disclosure | 0 | 0 |  |
Loans and lease receivables, net, fair value | 0 | 0 |  |
Accrued interest receivable, fair value | 5,678 | 5,019 |  |
Interest rate swaps - assets, fair value | 0 | 0 |  |
Financial liabilities: |  |  |  |
Deposits, fair value | 965,540 | 1,010,147 |  |
Federal Home Loan Bank and other borrowings fair value | 0 | 0 |  |
Junior subordinated notes, fair value | 0 | 0 |  |
Accrued interest payable, fair value | 3,407 | 2,095 |  |
Interest Rate Derivative Instruments, Both Hedging and Not Designated as Hedging, Liability at Fair Value, Fair Value Disclosure | 0 | 0 |  |
Standby letters of credit, fair value | 0 | 0 |  |
Fair Value Measurements - Level 2 Inputs |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents, fair value | 13,300 | 17,425 |  |
Securities available-for-sale, fair value | 134,995 | 126,005 |  |
Held-to-maturity Securities, fair value | 39,130 | 37,696 |  |
Loans Held-for-sale, Fair Value Disclosure | 5,183 | 2,413 |  |
Loans and lease receivables, net, fair value | 20,260 | 10,063 |  |
Accrued interest receivable, fair value | 0 | 0 |  |
Interest rate swaps - assets, fair value | 2,470 | 942 |  |
Financial liabilities: |  |  |  |
Deposits, fair value | 440,423 | 381,654 |  |
Federal Home Loan Bank and other borrowings fair value | 276,601 | 206,441 |  |
Junior subordinated notes, fair value | 0 | 0 |  |
Accrued interest payable, fair value | 0 | 0 |  |
Interest Rate Derivative Instruments, Both Hedging and Not Designated as Hedging, Liability at Fair Value, Fair Value Disclosure | 1,180 | 1,064 |  |
Standby letters of credit, fair value | 0 | 0 |  |
Fair Value Measurements - Level 3 Inputs |  |  |  |
Financial assets: |  |  |  |
Cash and cash equivalents, fair value | 0 | 0 |  |
Securities available-for-sale, fair value | 0 | 0 |  |
Held-to-maturity Securities, fair value | 0 | 0 |  |
Loans Held-for-sale, Fair Value Disclosure | 0 | 0 |  |
Loans and lease receivables, net, fair value | 1,549,311 | 1,472,601 |  |
Accrued interest receivable, fair value | 0 | 0 |  |
Interest rate swaps - assets, fair value | 0 | 0 |  |
Financial liabilities: |  |  |  |
Deposits, fair value | 0 | 0 |  |
Federal Home Loan Bank and other borrowings fair value | 0 | 0 |  |
Junior subordinated notes, fair value | 9,951 | 8,836 |  |
Accrued interest payable, fair value | 0 | 0 |  |
Interest Rate Derivative Instruments, Both Hedging and Not Designated as Hedging, Liability at Fair Value, Fair Value Disclosure | 0 | 0 |  |
Standby letters of credit, fair value | 53 | 75 |  |
Fair Value, Measurements, Recurring [Member] | Interest rate swaps |  |  |  |
Financial liabilities: |  |  |  |
Derivative Liability | 1,180 | 1,064 |  |
Fair Value, Measurements, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 1 Inputs |  |  |  |
Financial liabilities: |  |  |  |
Derivative Liability | 0 | 0 |  |
Fair Value, Measurements, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 2 Inputs |  |  |  |
Financial liabilities: |  |  |  |
Derivative Liability | 1,180 | 1,064 |  |
Fair Value, Measurements, Recurring [Member] | Interest rate swaps | Fair Value Measurements - Level 3 Inputs |  |  |  |
Financial liabilities: |  |  |  |
Derivative Liability | $ 0 | $ 0 |  |

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