v3.3.1.900

Interest Rate Swap Agreements (Details) - CRNF | 12 Months Ended
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Dec. 31, 2015 USD ($) agreement | Dec. 31, 2014 USD ($) | Dec. 31, 2013 USD ($)
Term loan facility |  |  |
Interest rate swap |  |  |
Debt instrument face amount | $ 125,000,000 |  |
Designated as hedges | Interest rate swap agreements |  |  |
Interest rate swap |  |  |
Number of agreements | agreement | 2 |  |
Aggregate notional amount | $ 62,500,000.0 |  |
Average fixed rate of interest (as a percent) | 1.96% |  |
Gain (loss) reclassified from earnings | $ 1,100,000 | $ 1,100,000 | $ 1,100,000
Designated as hedges | Interest rate swap agreements entered into on June 30, 2011 |  |  |
Interest rate swap |  |  |
Fixed rate (as a percent) | 1.94% |  |
Settlement period (in days) | 90 days |  |
Designated as hedges | Interest rate swap agreements entered into on July 1, 2011 |  |  |
Interest rate swap |  |  |
Fixed rate (as a percent) | 1.975% |  |
Settlement period (in days) | 90 days |  |

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