Capitalization - Preferred Stock And Dividends (Details) - USD ($) $ / shares in Units, $ in Thousands		1 Months Ended	12 Months Ended
	Dec. 02, 2016	Jun. 30, 2016	Jan. 28, 2017	Jan. 30, 2016
Stock repurchases
Preferred stock, shares authorized			1,000,000	1,000,000
Preferred stock, shares outstanding			0	0
Stock repurchased and retired		60,082
Per share price of shares repurchased (in dollars per share)		$ 12.24
Aggregate purchase price of stock repurchased and retired		$ 735	$ 735
Public offering, number of shares issued	4,237,750
Offering price per share	$ 9.50
Net proceeds received from the Offering	$ 38,000