Interest Rate Swap Agreements (Details) - CRNF |
12 Months Ended | ||
|---|---|---|---|
|
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 | ||