Allowance for Loan Losses (Details 1) (USD $) In Thousands, unless otherwise specified	Mar. 31, 2015	Dec. 31, 2014	Mar. 31, 2014	Dec. 31, 2013
Ending Balance Attributable to Loans
Individually evaluated for impairment	$ 1,557	$ 1,911
Collectively evaluated for impairment	17,531	16,648
Acquired with deteriorated credit quality	263	280
Ending Balance	19,351	18,839	20,408	20,068
Loans
Individually evaluated for impairment	14,851	14,606
Collectively evaluated for impairment	1,741,555	1,767,701
Acquired with deteriorated credit quality	6,549	6,518
Total	1,762,955	1,788,825
Commercial
Ending Balance Attributable to Loans
Individually evaluated for impairment	1,557	1,911
Collectively evaluated for impairment	8,998	8,733
Acquired with deteriorated credit quality	263	271
Ending Balance	10,818	10,915	12,453	12,450
Loans
Individually evaluated for impairment	14,586	14,573
Collectively evaluated for impairment	1,027,643	1,030,949
Acquired with deteriorated credit quality	4,932	4,887
Total	1,047,161	1,050,409
Residential
Ending Balance Attributable to Loans
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	1,622	1,365
Acquired with deteriorated credit quality	0	9
Ending Balance	1,622	1,374	1,581	1,585
Loans
Individually evaluated for impairment	265	33
Collectively evaluated for impairment	448,251	468,872
Acquired with deteriorated credit quality	1,617	1,631
Total	450,133	470,536
Consumer
Ending Balance Attributable to Loans
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	4,494	4,370
Acquired with deteriorated credit quality	0	0
Ending Balance	4,494	4,370	3,864	3,650
Loans
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	265,661	267,880
Acquired with deteriorated credit quality	0	0
Total	265,661	267,880
Unallocated
Ending Balance Attributable to Loans
Individually evaluated for impairment	0	0
Collectively evaluated for impairment	2,417	2,180
Acquired with deteriorated credit quality	0	0
Ending Balance	$ 2,417	$ 2,180	$ 2,510	$ 2,383

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Recorded Investment in financing receivables.

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The balance of financing receivables that were acquired with deteriorated credit quality.

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The valuation allowance for financing receivables acquired with deteriorated credit quality.

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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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 allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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