Shareholders' Equity Shareholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2017	Dec. 31, 2016
Statement of Stockholders' Equity [Abstract]
Common Stocks, Including Additional Paid in Capital	$ 17,879	$ 12,139
Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures	(841)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	$ 6,581
Common Stock, Dividends, Per Share, Cash Paid	$ 0.15
Dividends, Common Stock, Cash	$ 20,500