Income Taxes Classification in The Balance Sheet of Deferred Tax Assets and Liabilities (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Deferred income tax assets - current	$ 1,696	$ 0
Deferred income tax assets - non-current	80	1,556
Total deferred income tax assets	1,776	1,556
Deferred income tax liabilities - current	85	3,612
Deferred income tax liabilities - non-current	3,549	0
Total deferred income tax liabilities	3,634	3,612
Net deferred tax liability	$ (1,858)	$ (2,056)