Loans (Troubled Debt Restructurings That Subsequently Defaulted) (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	7
Troubled debt restructurings that subsequently defaulted recorded investment	$ 2,703
Risk Code 5 - Special Mention [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	1
Troubled debt restructurings that subsequently defaulted recorded investment	192
Risk Code 5 - Special Mention [Member] | Home Equity Lines And Other Consumer [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	1
Troubled debt restructurings that subsequently defaulted recorded investment	94
Risk Code 6 - Substandard [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	2
Troubled debt restructurings that subsequently defaulted recorded investment	478
Risk Code 6 - Substandard [Member] | Real Estate Construction [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	1
Troubled debt restructurings that subsequently defaulted recorded investment	842
Risk Code 6 - Substandard [Member] | Real Estate Term [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	1
Troubled debt restructurings that subsequently defaulted recorded investment	881
Risk Code 7 - Doubtful [Member] | Commercial [Member]
Financing Receivable, Modifications [Line Items]
Number of contracts that subsequently defaulted	1
Troubled debt restructurings that subsequently defaulted recorded investment	$ 216