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Commitments And Contingencies (Narrative) (Details) (USD $) | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Commitments And Contingencies [Abstract] |  |  |
Guarantees extend term period | 1 year |  |
Allowance for estimated losses on commitments | $ 430,000 | $ 350,000 |
Net rental expense | 4,200,000 | 3,900,000 | 2,900,000
Level of cash balances required to maintain |  | $ 1,000,000 |
Agreements term | 3 years |  |

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- Definition Agreement Term + References No definition available. + Details
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- Definition Guaranteed Lease Residual Values Period + References No definition available. + Details
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- Definition Regulatory Cash At Federal Reserve Bank + References No definition available. + Details
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- Details
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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=7512638&loc=SL6953423-111524 + Details
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- Definition Rental expense incurred for leased assets including furniture and equipment which has not been recognized in costs and expenses applicable to sales and revenues; for example, cost of goods sold or other operating costs and expenses. + References No definition available. + Details
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