401(k) Profit Sharing Plan (Narrative) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2015 USD ($)
Defined Contribution Plan, Employer Matching Contribution, Percent of Match, First One Percent of Contributions	100.00%
Defined Contribution Plan, Employer Matching Contribution, Percent of Match, Next Five Percent of Contributions	50.00%
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	4.00%
Defined Contribution Plan, Cost Recognized	$ 1.0
Other Than SERP Hired Prior to 2010 [Member]
Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent	4.50%