Shareholders' Equity (Narrative) (Details) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Stockholders' Equity Note [Abstract]
Common stock, authorized (in shares)	240,000,000	240,000,000
Preferred Stock, Shares Authorized	5,000,000
Preferred Stock, Par or Stated Value Per Share	$ 0.01