Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Equity (Details)

v2.4.1.9
Shareholders' Equity (Details) (USD $)
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Dec. 31, 2014
Sep. 30, 2014
Jun. 30, 2014
Feb. 07, 2014
Shareholders' Equity [Line Items]            
Dividends per share (in dollars per share) $ 0.12us-gaap_CommonStockDividendsPerShareDeclared $ 0.12us-gaap_CommonStockDividendsPerShareDeclared        
Stock Repurchase Program, Number of Shares Authorized to be Repurchased           2,000,000us-gaap_StockRepurchaseProgramNumberOfSharesAuthorizedToBeRepurchased
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased 1,118,021us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased          
Common Stock [Member]            
Shareholders' Equity [Line Items]            
Dividends per share (in dollars per share) $ 0.12us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
$ 0.12us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
$ 0.12us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
$ 0.12us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember
$ 0.12us-gaap_CommonStockDividendsPerShareDeclared
/ us-gaap_StatementClassOfStockAxis
= us-gaap_CommonStockMember