Significant Accounting Policies Stock Compensation (Details)	1 Months Ended	12 Months Ended
	Jan. 31, 2013	Dec. 31, 2012
Stock Options [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		7 years
Non-vested Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years	5 years
Prior to 2013 [Member] | Non-vested Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		5 years
2013 Plan [Member] | Non-vested Common Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)		3 years
Share-based Compensation Arrangement by Share-based Payment Award, Award Required Holding Period		2 years