Fair Value (Details ) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Assets:
Marketable Securities	$ 6,795	$ 13,952
Liabilities:
Total	6,795	13,952
Mutual Funds [Member]
Assets:
Marketable Securities	6,795	13,952
Liabilities:
Total	6,795	13,952
Recurring Basis [Member] | Mutual Funds [Member] | Level 1 [Member]
Assets:
Marketable Securities	6,795	13,952
Liabilities:
Total	$ 6,795	$ 13,952
Recurring Basis [Member] | Mutual Funds [Member] | Level 2 [Member]
Assets:
Marketable Securities
Liabilities:
Total
Recurring Basis [Member] | Mutual Funds [Member] | Level 3 [Member]
Assets:
Marketable Securities
Liabilities:
Total