Annual report pursuant to Section 13 and 15(d)

Income Taxes Unrecognized Tax Benefits (Details)

v3.3.1.900
Income Taxes Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]    
Gross unrecognized tax benefits, beginning of year $ 900 $ 1,036
Increases related to prior year income tax positions 2 0
Increases related to current year income tax positions 68 64
Decreases related to prior year income tax positions 0 (200)
Gross unrecognized tax benefits, end of year $ 970 $ 900