Derivative Financial Instruments (Embedded derivatives) (Narrative) (Details)			9 Months Ended
	Dec. 31, 2016 shares	Feb. 05, 2016 USD ($) shares	Sep. 30, 2017 shares
Derivative [Line Items]
Number of shares to be issued upon conversion (in shares)	20,481	73,394
Number of shares issued upon conversion (in shares)			20,481
Other liabilities
Derivative [Line Items]
Derivative, notional amount | $		$ 2,000,000