Deferred Compensation Plan (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Deferred Compensation Liability [Abstract]
Maximum deferral % of base compensation allowed to participants of deferred compensation plan	50.00%
Maximum deferral % of bonus compensation allowed to participants of deferred compensation plan	100.00%
Our matching cash contributions represents this % of contributions made by participants of deferred compensation plan	50.00%
Maximum employer contribution match % (of total eligible compensation) to each participant of deferred compensation plan	2.00%
Our discretionary contributions	$ 400	$ 300	$ 400
Deferred compensation plan liability	$ 10,489	$ 9,653