Loans (Allowance for Credit Losses on Financing Receivables) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Allowance for loan losses:
Beginning Balance	$ 8,481	$ 8,138	$ 8,138
Charge-offs	(46)	(150)	(2,642)
Recoveries	8	6	332
Provisions	178	203	2,653
Ending Balance	8,621	8,197	8,481
Ending balance: individually evaluated for impairment	634	1,387	451
Ending balance: collectively evaluated for impairment	7,987	6,810	8,030
Loan receivables:
Loans	891,283	819,683	872,129
Ending balance: individually evaluated for impairment	45,345	36,300	49,709
Ending balance: collectively evaluated for impairment	845,938	783,383	822,420
Commercial Equipment [Member]
Allowance for loan losses:
Beginning Balance	389	453	453
Charge-offs			(10)
Recoveries	3		25
Provisions	(72)	(160)	(79)
Ending Balance	320	293	389
Ending balance: individually evaluated for impairment	120	80	123
Ending balance: collectively evaluated for impairment	200	213	266
Loan receivables:
Loans	26,931	23,741	26,152
Ending balance: individually evaluated for impairment	581	307	586
Ending balance: collectively evaluated for impairment	26,350	23,434	25,566
Commercial Loans [Member]
Allowance for loan losses:
Beginning Balance	1,677	1,916	1,916
Charge-offs		(35)	(1,134)
Recoveries	1	1	5
Provisions	62	233	890
Ending Balance	1,740	2,115	1,677
Ending balance: individually evaluated for impairment	355	763	155
Ending balance: collectively evaluated for impairment	1,385	1,352	1,522
Loan receivables:
Loans	68,504	80,297	73,625
Ending balance: individually evaluated for impairment	5,847	6,799	7,436
Ending balance: collectively evaluated for impairment	62,657	73,498	66,189
Consumer Loans [Member]
Allowance for loan losses:
Beginning Balance	3	10	10
Charge-offs			(3)
Recoveries			11
Provisions	(1)	(4)	(15)
Ending Balance	2	6	3
Ending balance: collectively evaluated for impairment	2	6	3
Loan receivables:
Loans	464	691	613
Ending balance: individually evaluated for impairment		15
Ending balance: collectively evaluated for impairment	464	676	613
Home Equity and Second Mortgage [Member]
Allowance for loan losses:
Beginning Balance	173	249	249
Charge-offs			(59)
Recoveries			10
Provisions	35	91	(27)
Ending Balance	208	340	173
Ending balance: individually evaluated for impairment		33
Ending balance: collectively evaluated for impairment	208	307	173
Loan receivables:
Loans	21,211	21,699	21,452
Ending balance: individually evaluated for impairment	630	381	649
Ending balance: collectively evaluated for impairment	20,581	21,318	20,803
Construction and Land Development [Member]
Allowance for loan losses:
Beginning Balance	1,071	584	584
Charge-offs			(992)
Recoveries			84
Provisions	28	(23)	1,395
Ending Balance	1,099	561	1,071
Ending balance: individually evaluated for impairment		81
Ending balance: collectively evaluated for impairment	1,099	480	1,071
Loan receivables:
Loans	37,349	30,611	36,370
Ending balance: individually evaluated for impairment	6,296	5,866	6,102
Ending balance: collectively evaluated for impairment	31,053	24,745	30,268
Residential Mortgage [Member]
Allowance for loan losses:
Beginning Balance	1,092	1,401	1,401
Charge-offs		(94)	(94)
Recoveries	1		186
Provisions	(189)	(35)	(401)
Ending Balance	904	1,272	1,092
Ending balance: individually evaluated for impairment	75	98	76
Ending balance: collectively evaluated for impairment	829	1,174	1,016
Loan receivables:
Loans	148,631	158,080	152,837
Ending balance: individually evaluated for impairment	3,387	3,572	3,407
Ending balance: collectively evaluated for impairment	145,244	154,508	149,430
Commercial Real Estate [Member]
Allowance for loan losses:
Beginning Balance	4,076	3,525	3,525
Charge-offs	(46)	(21)	(350)
Recoveries	3	5	11
Provisions	315	101	890
Ending Balance	4,348	3,610	4,076
Ending balance: individually evaluated for impairment	84	332	97
Ending balance: collectively evaluated for impairment	4,264	3,278	3,979
Loan receivables:
Loans	588,193	504,564	561,080
Ending balance: individually evaluated for impairment	28,604	19,360	31,529
Ending balance: collectively evaluated for impairment	$ 559,589	$ 485,204	$ 529,551

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

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-Publisher FASB

-Name Accounting Standards Codification

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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 of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. 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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