Common Stock Repurchases and Dividends (Details)	Mar. 31, 2015	Oct. 31, 2010
Stockholders' Equity Note [Abstract]
Common stock repurchases under Board authorizations		3,500,000
Authorized shares available for repurchase	778,365

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingNumberOfSharesAuthorizedToBeRepurchased
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant