Annual report pursuant to Section 13 and 15(d)

THREE-FOR-TWO STOCK SPLIT (Details)

v2.4.1.9
THREE-FOR-TWO STOCK SPLIT (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
12 Months Ended 0 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Mar. 10, 2015
Dec. 31, 2012
Dec. 31, 2011
Common Stock Outstanding 145,783,052us-gaap_CommonStockSharesOutstanding        
Preferred stock, without par value; 500,000 authorized, zero shares issued           
Common stock, par value $1 per share; 250,000,000 shares authorized, 218,482,907 shares issued 145,722us-gaap_CommonStockValue 145,864us-gaap_CommonStockValue      
Treasury Stock, par value $1 per share ; 200,000 and 0 shares, respectively (200)us-gaap_TreasuryStockValue         
Paid-in-capital 62,839us-gaap_AdditionalPaidInCapitalCommonStock 53,765us-gaap_AdditionalPaidInCapitalCommonStock      
Accumulated other comprehensive loss (65,488)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax (31,771)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax   (56,967)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax  
Retained earnings 319,803us-gaap_RetainedEarningsAccumulatedDeficit 270,397us-gaap_RetainedEarningsAccumulatedDeficit      
Total Stockholders' Equity 462,676us-gaap_StockholdersEquity 438,255us-gaap_StockholdersEquity   354,956us-gaap_StockholdersEquity 323,997us-gaap_StockholdersEquity
Stock Issued During Period, Shares, Stock Splits 72,760,969us-gaap_StockIssuedDuringPeriodSharesStockSplits 72,932,222us-gaap_StockIssuedDuringPeriodSharesStockSplits      
Subsequent Event [Member]          
Stock Split Ratio     0.5us-gaap_StockholdersEquityNoteStockSplitConversionRatio1
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Common Stock Outstanding     218,674,578us-gaap_CommonStockSharesOutstanding
/ us-gaap_SubsequentEventTypeAxis
= us-gaap_SubsequentEventMember
   
Adjustment [Member]          
Preferred stock, without par value; 500,000 authorized, zero shares issued           
Common stock, par value $1 per share; 250,000,000 shares authorized, 218,482,907 shares issued 72,761us-gaap_CommonStockValue
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioAdjustmentMember
       
Treasury Stock, par value $1 per share ; 200,000 and 0 shares, respectively           
Paid-in-capital           
Accumulated other comprehensive loss           
Retained earnings (72,761)us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementScenarioAxis
= us-gaap_ScenarioAdjustmentMember
       
Total Stockholders' Equity           
Pro forma [Member] (Unaudited)          
Preferred stock, without par value; 500,000 authorized, zero shares issued           
Common stock, par value $1 per share; 250,000,000 shares authorized, 218,482,907 shares issued 218,483us-gaap_CommonStockValue
/ us-gaap_StatementScenarioAxis
= us-gaap_ProFormaMember
       
Treasury Stock, par value $1 per share ; 200,000 and 0 shares, respectively (200)us-gaap_TreasuryStockValue
/ us-gaap_StatementScenarioAxis
= us-gaap_ProFormaMember
       
Paid-in-capital 62,839us-gaap_AdditionalPaidInCapitalCommonStock
/ us-gaap_StatementScenarioAxis
= us-gaap_ProFormaMember
       
Accumulated other comprehensive loss (65,488)us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax
/ us-gaap_StatementScenarioAxis
= us-gaap_ProFormaMember
       
Retained earnings 247,042us-gaap_RetainedEarningsAccumulatedDeficit
/ us-gaap_StatementScenarioAxis
= us-gaap_ProFormaMember
       
Total Stockholders' Equity $ 462,676us-gaap_StockholdersEquity
/ us-gaap_StatementScenarioAxis
= us-gaap_ProFormaMember