Pension (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Sep. 30, 2016	Sep. 30, 2015	Sep. 30, 2016	Sep. 30, 2015	Dec. 31, 2015
Pension [Abstract]
Expected pension expense			$ 922
Pension Contributions			0
Pension settlement expense			564
Pension expense	$ 318	$ 91	$ 490	$ 295	$ 387