Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Income Taxes (Details)

v3.6.0.2
Income Taxes - Reconciliation of Income Taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Effective Income Tax Rate Reconciliation, Amount [Abstract]      
U.S. statutory rate $ 1,945 $ (13,556) $ 8,338
Increase (decrease) resulting from:      
State income taxes 64 275 311
Other 32 (88) (145)
Income tax (benefit) expense $ 2,041 $ (13,369) $ 8,504
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
U.S. statutory rate 35.00% 35.00% 35.00%
Increase (decrease) resulting from:      
State income taxes 1.10% (0.70%) 1.00%
Other 0.60% 0.20% (0.30%)
Income tax (benefit) expense 36.70% 34.50% 35.70%