Share Based and Deferred Compensation Restricted Performance Share Units (Details) (Restricted Performance Share Units Plan [Member], USD $)	0 Months Ended	3 Months Ended		6 Months Ended		0 Months Ended				12 Months Ended		6 Months Ended		0 Months Ended
	Mar. 01, 2014	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013	Mar. 11, 2014 Executive Officer [Member]	Mar. 12, 2014 Executive Officer [Member]	Oct. 31, 2012 Executive Officer [Member] Rate	Mar. 01, 2012 Executive Officer [Member]	Feb. 25, 2014 Executive Officer [Member]	Feb. 25, 2013 Executive Officer [Member]	Jun. 30, 2014 Executive Officer [Member] Original Grant [Member]		Oct. 31, 2012 Executive Officer [Member] Dividend equivalent shares vested [Member] Rate	Oct. 31, 2012 Executive Officer [Member] Total vested [Member] Rate
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Age Limit Of Voluntary Termination Of Employment												57
Share-based Compensation Arrangement by Share-based Payment Award, Award Requisite Service Period												15 years
Allocated Share-based Compensation Expense		$ 500,000	$ 1,300,000	$ 2,300,000	$ 2,500,000
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Capitalized Amount		200,000	200,000	700,000	400,000
Fair Value of Units on Grant Date						$ 2,624,000	$ 1,225,000		$ 4,273,000	$ 4,137,000
Units Granted						134,284	61,720		265,222.00		231,093
Units Canceled									38,959.00	27,698.00
Units Vested	(150,829)											(14,742.00)	[1]
Unvested Balance						134,284.00	61,720.00		211,521.00		203,395.00
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate								200.00%						56300.00%	3061000.00%

[1] (a) These RPSUs were settled upon the holder’s qualifying retirement in October 2012 after reaching age 57 and accumulating at least 15 years of service with the Company. Of the 14,742 RPSU's originally granted, 563 dividend equivalent rights were accrued at the time of qualifying retirement and the Company issued 30,610 shares in settlement of the RPSU's based on the Company’s total shareholder return-based performance achievement, as computed under the award agreement, on October 31, 2012 of 200%.