Stock Plan Repurchase Authorizations (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2013
Earnings (Loss) Per Share [Abstract]
Dollar amount authorized for share repurchase	$ 350,000
Shares Repurchased	800
Weighted Average Price Of Shares Repurchased	$ 14.99
Fair Value Of Shares Repurchased	12,500
Remaining dollar amount authorized for share repurchase	$ 350,000

The remaining repurchase amount authorized by an entity's Board of Directors under a stock repurchase plan.

No definition available.

Name:	us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration