Junior Subordinated Debentures (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016	Dec. 31, 2016
Debt Disclosure [Abstract]
Common stock issued by Trusts	$ 14,300		$ 14,300		$ 14,300
Loss on junior subordinated debentures carried at fair value	$ 1,590	$ 1,590	$ 4,717	$ 4,734