Subsequent Events (Details) - $ / shares			12 Months Ended
	Jan. 28, 2016	Dec. 04, 2014	Dec. 31, 2015
Subsequent Event [Line Items]
Issuance of common stock (in shares)		6,200	6,705
Per share price of shares issued (in dollars per share)		$ 450
Subsequent Events [Member]
Subsequent Event [Line Items]
Issuance of common stock (in shares)	1,600
Per share price of shares issued (in dollars per share)	$ 525