Summary of Significant Accounting Policies (Details 3) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2017	Dec. 31, 2016
Summary of Significant Accounting Policies [Line Items]
Property and equipment, net	$ 1,275	$ 7,110
Assets held for sale	16,147	14,761
Total nonrecurring for value measurements	17,422	21,871
Long lived assets held and used, Loss	675	12,264
Long lived assets held for sale, Loss		14,290
Total nonrecurring for value measurements, Loss	675	26,554
Quoted prices in active markets for identical assets (Level 1) [Member]
Summary of Significant Accounting Policies [Line Items]
Property and equipment, net
Assets held for sale
Total nonrecurring for value measurements
Significant other observable inputs (Level 2) [Member]
Summary of Significant Accounting Policies [Line Items]
Property and equipment, net	1,275	7,110
Assets held for sale	16,147	14,761
Total nonrecurring for value measurements	17,422	21,871
Significant unobservable inputs (Level 3) [Member]
Summary of Significant Accounting Policies [Line Items]
Property and equipment, net
Assets held for sale
Total nonrecurring for value measurements