Fair Value Of Financial Instruments (Assets Measured At Fair Value On A Recurring Basis) (Details) (USD $)	Mar. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Loans and Leases Receivable, Net Amount	$ 80,059,000	$ 84,250,000
Quoted Prices In Active Markets For Identical Assets (Level 1) [Member]
Available-for-sale Securities	14,845,000	12,884,000
Fair Value, Inputs, Level 2 [Member]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value	971,000	1,241,000
Fair Value, Inputs, Level 3 [Member]
Business Acquisition, Contingent Consideration, Potential Cash Payment	$ 4,256,000	$ 4,256,000	$ 9,478,000

Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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+ Details

- Definition

Amount after allowance and 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.

+ References+ Details