Fair Value Disclosures (Fair Value by Balance Sheet Groupings) (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Dec. 31, 2018	Mar. 31, 2018	Dec. 31, 2017
Financial assets:
Cash and cash equivalents, carrying amount	$ 56,335	$ 86,546	$ 61,322	$ 52,539
Securities available-for-sale, carrying amount	156,783	138,358
Securities held-to-maturity, carrying amount	35,914	37,731
Loans held for sale, carrying amount	5,447	5,287
Loans and leases receivable, net amount, carrying amount	1,636,197	1,597,230
Federal Home Loan Bank Stock and Federal Reserve Bank Stock		7,240
Accrued interest receivable, carrying amount	6,392	5,684
Interest rate swaps - assets, carrying amount	8,337	4,637
Cash and cash equivalents, fair value	56,335	86,546
Securities available-for-sale, fair value	156,783	138,358
Held-to-maturity Securities, fair value	36,005	37,409
Loans Held-for-sale, Fair Value Disclosure	5,992	5,816
Loans and lease receivables, net, fair value	1,627,986	1,589,323
Accrued interest receivable, fair value	6,392	5,684
Interest rate swaps - assets, fair value	8,337	4,637
Financial liabilities:
Deposits, carrying amount	1,501,706	1,455,299
Federal Home Loan Bank and other borrowings, carrying amount	269,958	298,944
Junior subordinated notes, carrying amount	10,037	10,033
Accrued interest payable, carrying amount	3,861	3,696
Standby letters of credit, carrying amount	49	59
Deposits, fair value	1,500,206	1,453,482
Federal Home Loan Bank and other borrowings fair value	265,608	294,127
Junior subordinated notes, fair value	9,958	9,955
Accrued interest payable, fair value	3,861	3,696
Interest Rate Derivative Instruments, Both Hedging and Not Designated as Hedging, Liability at Fair Value, Fair Value Disclosure	9,430	4,779
Standby letters of credit, fair value	49	59
Fair Value Measurements - Level 1 Inputs
Financial assets:
Cash and cash equivalents, fair value	47,135	67,246
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	6,392	5,684
Interest rate swaps - assets, fair value	0	0
Financial liabilities:
Deposits, fair value	1,072,269	1,026,648
Federal Home Loan Bank and other borrowings fair value	0	0
Junior subordinated notes, fair value	0	0
Accrued interest payable, fair value	3,861	3,696
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	9,200	19,300
Securities available-for-sale, fair value	156,783	138,358
Held-to-maturity Securities, fair value	36,005	37,409
Loans Held-for-sale, Fair Value Disclosure	5,992	5,816
Loans and lease receivables, net, fair value	0	0
Accrued interest receivable, fair value	0	0
Interest rate swaps - assets, fair value	8,337	4,637
Financial liabilities:
Deposits, fair value	427,937	426,834
Federal Home Loan Bank and other borrowings fair value	265,608	294,127
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	9,430	4,779
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	1,627,986	1,589,323
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	9,958	9,955
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	49	59
Fair value on a recurring basis \| Interest rate swaps
Financial liabilities:
Derivative Liability	9,430	4,779
Fair value on a recurring basis \| Interest rate swaps \| Fair Value Measurements - Level 1 Inputs
Financial liabilities:
Derivative Liability	0	0
Fair value on a recurring basis \| Interest rate swaps \| Fair Value Measurements - Level 2 Inputs
Financial liabilities:
Derivative Liability	9,430	4,779
Fair value on a recurring basis \| Interest rate swaps \| Fair Value Measurements - Level 3 Inputs
Financial liabilities:
Derivative Liability	$ 0	$ 0

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Amount of Federal Home Loan Bank (FHLB) and Federal Reserve Bank stock.

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