Significant Accounting Policies (Stockholders’ Equity) (Details) (USD $)	12 Months Ended
Dec. 31, 2013
Significant Accounting Policies [Abstract]
Stock Repurchase Program, Authorized Amount	$ 315,000
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 45,100

Amount remaining of a stock repurchase plan authorized by an entity's Board of Directors.

No definition available.

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