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Income Taxes - Additional Information (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | 12 Months Ended | |
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Mar. 31, 2015
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Mar. 31, 2014
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Dec. 31, 2014
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| Income Tax Disclosure [Abstract] | |||
| Effective income tax rate | 51.40%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 37.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations | |
| Increase (decrease) in NOL deferred tax asset | $ (1.0)rp_IncreaseDecreaseinDeferredTaxAssetNetOperatingLossCarryforward | ||
| X | ||||||||||
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- Definition
Increase (Decrease) in Deferred Tax Asset, Net Operating Loss Carryforward No definition available.
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| X | ||||||||||
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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| X | ||||||||||
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- Details
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