Securities Transactions (Details) - USD ($) $ / shares in Units, shares in Thousands	Sep. 30, 2017	Jun. 30, 2017	Jul. 31, 2017	Dec. 31, 2016
Common Stock, Par Value (usd per share)	$ 0.01		$ 0.01	$ 0.01
Affiliated Entity [Member]
Common stock issued (shares)	25	25
Common Stock, Par Value (usd per share)	$ 0.01	$ 0.01
Value of common stock issued	$ 13,250	$ 13,250