Share-Based Compensation - Activity (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2015 USD ($) $ / shares shares
Number of Options (in shares)
Outstanding at beginning of year | shares	1,517,704
Granted | shares	0
Expired/cancelled/forfeited | shares	(155,680)
Exercised | shares	0
Outstanding at end of year | shares	1,362,024
Wgtd. Avg. Exercise Price (in dollars per share)
Outstanding at beginning of year | $ / shares	$ 6.05
Granted | $ / shares	0.00
Expired/cancelled/forfeited | $ / shares	5.70
Exercised | $ / shares	0.00
Outstanding at end of year | $ / shares	$ 6.09
Additional Disclosures
Options exercisable at end of year | shares	1,217,486
Options expected to vest | shares	137,311
Options exercisable at end of year (usd per share) | $ / shares	$ 6.33
Options expected to vest (usd per share) | $ / shares	$ 4.13
Outstanding, remaining contractual term (in years)	5 years 7 months 6 days
Exercisable, remaining contractual term (in years)	4 years 5 months 4 days
Vested and expected to vest, remaining contractual term (in years)	7 years 10 months 26 days
Outstanding, intrinsic value | $	$ 0
Exercisable, intrinsic value | $	0
Vested and expected to vest, intrinsic value | $	$ 0