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Troubled Debt Restructurings (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Mar. 31, 2014 contract	Mar. 31, 2013 contract	Dec. 31, 2013 contract
Financing Receivable, Modifications [Line Items]
Number of Contracts	0	1
Number of troubled debt restructured loans	16		20
Loan is considered payment default	30 days
Financing Receivable, Modifications, Nonaccrual, Number of Contracts	6		5
Financing Receivable, Modifications, Nonaccrual, Recorded Investment	$ 1.0		$ 1.0
Total troubled debt restructured loans	$ 5.7		$ 6.4
Residential Equity Lines [Member]
Financing Receivable, Modifications [Line Items]
Number of Contracts		1

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Number of financing receiviable modified loans that are in nonaccrual

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Financing Receivable, Modifications, Nonaccrual, Recorded Investment

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- Definition

Period Past Due Loan Considered Payment Default

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Troubled debt restructuring modifications number of contracts.

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- Definition

Number of financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 50

-Paragraph 33

-URI http://asc.fasb.org/extlink&oid=28368275&loc=SL6953676-111524

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- Definition

The amount of the outstanding recorded investment related to financing receivables that have been modified by troubled debt restructurings.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 40

-Section 50

-Paragraph 4

-URI http://asc.fasb.org/extlink&oid=25495931&loc=d3e18845-111554

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