Certain Employee Benefit and Stock Based Compensation Plans (Nonvested Cash-Payable Incentive Performance Units and Restricted Share Unit - Rollforward) (Details) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014
Nonvested Cash-Payable Incentive/Performance Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Beginning balance	116
Granted	100
Vested/Released	(39)
Outstanding, Ending balance	177
Nonvested Cash-Payable Restricted Share Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Beginning balance	825
Granted	269
Vested/Released	(425)
Forfeited	(8)
Outstanding, Ending balance	661
Total - Nonvested Cash Payable Incentive/Performance Units and Restricted Share Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Outstanding, Beginning balance	941
Granted	369
Vested/Released	(464)
Forfeited	(8)
Outstanding, Ending balance	838