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Debt and Financing Arrangements (Tables) | 12 Months Ended
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Dec. 31, 2015
Debt Disclosure [Abstract] |
Summary of Unsecured Credit Facility | Rates for the years ended December 31, 2015 and 2014 were as follows (includes bank debt and interest rate swaps):
|  | 2015 |  |  | 2014 |
Weighted average rates |  |  | 2.02% |  |  |  | 2.44% |
Range of effective rates |  |  | 1.65% - 3.50% |  |  |  | 1.87% - 4.00% |
Summary of Carrying Amount of Debt and Equity Components | The carrying amount of the 2010 Notes at December 31, 2015 and 2014 was as follow (in thousands):
|  | 2015 |  |  | 2014 |
Principal amount of notes |  | $ | — |  |  | $ | 97,650 |
Unamortized discount |  |  | — |  |  |  | (1,831 | )
Net carrying amount |  | $ | — |  |  | $ | 95,819 |
Summary of Recognized Interest Expense | For the years ended December 31, 2015 and 2014, CBIZ recognized interest expense as follows (in thousands):
|  | 2015 |  |  | 2014 |  |  | 2013 |
2010 Notes (1) |  | $ | 4,559 |  |  | $ | 9,068 |  |  | $ | 9,898 |
Credit facility |  |  | 4,320 |  |  |  | 4,033 |  |  |  | 5,453 |
2006 Notes |  |  | 23 |  |  |  | 23 |  |  |  | 23 |
Balance at December 31 |  | $ | 8,902 |  |  | $ | 13,124 |  |  | $ | 15,374 |
(1) | Components of interest expense related to the 2010 Notes include the contractual coupon interest, amortization of discount and amortization of deferred financing costs.
(2) | Components of interest expense related to the credit facility include amortization of deferred financing costs, commitment fees and line of credit fees.

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- Definition Tabular disclosure of short-term or long-term contractual arrangements with lenders, including letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(e),(f)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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