Annual report pursuant to Section 13 and 15(d)

Income Taxes - Balances and Changes in Uncertain Tax Positions (Details)

v2.4.1.9
Income Taxes - Balances and Changes in Uncertain Tax Positions (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2014
Income Tax Disclosure [Abstract]    
Balance, beginning of period   $ 9,482us-gaap_UnrecognizedTaxBenefits
Increases related to carryback positions 9,482us-gaap_UnrecognizedTaxBenefitsIncreasesResultingFromPriorPeriodTaxPositions  
Balance, end of period $ 9,482us-gaap_UnrecognizedTaxBenefits $ 9,482us-gaap_UnrecognizedTaxBenefits