Equity Incentive Plan - Restricted Share Awards Granted and Vested (Details) - shares						19 Months Ended	23 Months Ended	35 Months Ended	43 Months Ended	47 Months Ended
	Jun. 01, 2015	Jan. 30, 2015	Jan. 31, 2014	May 17, 2013	Jan. 29, 2013	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2016
Time-based Restricted Stock Awards | Awarded January 29, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)					40,829
Vested (in shares)										40,829
Time-based Restricted Stock Awards | Awarded January 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)			48,213
Vested (in shares)								32,142
Time-based Restricted Stock Awards | Awarded January 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)		40,161
Vested (in shares)							13,387
Time-based Restricted Stock Awards | Awarded June 1, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)	8,949
Vested (in shares)						2,983
Performance-based Restricted Stock Awards | Awarded May 17, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)				40,829
Vested (in shares)									40,829
Performance-based Restricted Stock Awards | Awarded January 31, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)			38,805
Vested (in shares)								12,935
Performance-based Restricted Stock Awards | Awarded January 30, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Total Shares Granted (in shares)		36,144
Vested (in shares)							0