Equity Incentive Plans (Nonvested Stock Option Activity) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Summary of the activity of stock option awards, shares
Options outstanding, beginning balance, shares	301,000
Granted, shares	256,000	200,000.0
Vested, shares	(195,000)
Forfeited, shares	(48,000)
Options outstanding, ending balance, shares	314,000	301,000
Options non vested, Wtd. avg. grant date fair value beginning balance	$ 7.30
Granted, Wtd. Avg. grant date fair value	4.26	$ 2.92
Vested, Wtd. Avg. grant date fair value	6.75
Forfeited, Wtd. Avg. grant date fair value	4.08
Options non vested, Wtd. avg. grant date fair value ending balance	$ 5.66	$ 7.30
Stock Options
Summary of the activity of stock option awards, shares
Unrecognized compensation costs related to awards	$ 0.9
Expected weighted average period to recognize expense	1 year 4 months 24 days