Loans and Allowance for Loan Losses (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Allowance for Loan Losses [Roll Forward]
Beginning balance	$ 5,391	$ 6,667
Charge-offs	(14)	(1,464)
Recoveries	9	188
Provision	0	0
Ending balance	5,386	5,391
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	1,136	1,345
Ending balances collectively evaluated for impairment	4,250	4,046
Loans receivable, individually evaluated for impairment	8,890	8,828
Loans receivable, collectively evaluated for impairment	435,814	431,633
Loans receivable, ending balance	444,704	440,461
Commercial and Industrial [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	516	964
Charge-offs	0	(171)
Recoveries	0	86
Provision	(179)	(363)
Ending balance	337	516
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	160	246
Ending balances collectively evaluated for impairment	177	270
Loans receivable, individually evaluated for impairment	293	316
Loans receivable, collectively evaluated for impairment	29,596	26,608
Loans receivable, ending balance	29,889	26,924
Commercial Real Estate [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	1,943	2,320
Charge-offs	0	(560)
Recoveries	0	0
Provision	120	183
Ending balance	2,063	1,943
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	449	456
Ending balances collectively evaluated for impairment	1,614	1,487
Loans receivable, individually evaluated for impairment	3,261	3,272
Loans receivable, collectively evaluated for impairment	162,150	162,256
Loans receivable, ending balance	165,411	165,528
Construction and Land [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	699	412
Charge-offs	0	(313)
Recoveries	0	65
Provision	(136)	535
Ending balance	563	699
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	307	470
Ending balances collectively evaluated for impairment	256	229
Loans receivable, individually evaluated for impairment	3,604	3,620
Loans receivable, collectively evaluated for impairment	35,164	35,465
Loans receivable, ending balance	38,768	39,085
Consumer [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	37	18
Charge-offs	0	(18)
Recoveries	8	10
Provision	(13)	27
Ending balance	32	37
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	0	0
Ending balances collectively evaluated for impairment	32	37
Loans receivable, individually evaluated for impairment	0	0
Loans receivable, collectively evaluated for impairment	3,056	3,015
Loans receivable, ending balance	3,056	3,015
Student US Government Guaranteed [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	72	196
Charge-offs	(14)	(139)
Recoveries	0	0
Provision	24	15
Ending balance	82	72
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	0	0
Ending balances collectively evaluated for impairment	82	72
Loans receivable, individually evaluated for impairment	0	0
Loans receivable, collectively evaluated for impairment	18,620	19,700
Loans receivable, ending balance	18,620	19,700
Residential Real Estate [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	1,424	1,261
Charge-offs	0	(172)
Recoveries	0	22
Provision	201	313
Ending balance	1,625	1,424
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	171	173
Ending balances collectively evaluated for impairment	1,454	1,251
Loans receivable, individually evaluated for impairment	1,613	1,550
Loans receivable, collectively evaluated for impairment	145,194	141,927
Loans receivable, ending balance	146,807	143,477
Home Equity Line of Credit [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	296	1,314
Charge-offs	0	(91)
Recoveries	1	5
Provision	50	(932)
Ending balance	347	296
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	49	0
Ending balances collectively evaluated for impairment	298	296
Loans receivable, individually evaluated for impairment	119	70
Loans receivable, collectively evaluated for impairment	42,034	42,662
Loans receivable, ending balance	42,153	42,732
Unallocated Financing Receivables [Member]
Allowance for Loan Losses [Roll Forward]
Beginning balance	404	182
Charge-offs	0	0
Recoveries	0	0
Provision	(67)	222
Ending balance	337	404
Additional information on allowance for loan losses and recorded investment in loans receivable [Abstract]
Ending balances individually evaluated for impairment	0	0
Ending balances collectively evaluated for impairment	$ 337	$ 404

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A valuation allowance for financing receivables that are expected to be uncollectible.

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Amount of valuation allowance for financing receivables that are expected to be uncollectible that were individually evaluated for impairment.

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Amount of recovery of financing receivables doubtful of collection that were previously charged off.

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Amount of direct write-downs of financing receivables charged against the allowance.

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The balance of financing receivables that were collectively evaluated for impairment.

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

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Amount of expense related loan transactions, lease transactions, credit loss from transactions other than loan and lease transactions, and other loss based on assessment of uncollectability from the counterparty to reduce the account to their net realizable value.

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