Subsequent Events (Details) - $ / shares		12 Months Ended
	Feb. 17, 2017	Dec. 31, 2016	Dec. 31, 2015
Subsequent Event [Line Items]
Issuance of common stock (in shares)		4,610	6,705
Subsequent Event [Member]
Subsequent Event [Line Items]
Issuance of common stock (in shares)	1,375
Per share price of shares issued (in dollars per share)	$ 590.00