Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Details)

v3.8.0.1
Income Taxes - Reconciliation of Statutory Federal Income Tax Rate (Details)
12 Months Ended
Dec. 22, 2017
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]      
Expected federal statutory rate   34.00% 34.00%
State income taxes, net of federal benefit   4.80% 4.80%
Change in expected future federal tax rate   (7.60%) 0.00%
Impairment expense   (23.60%) 0.00%
Valuation allowance   0.90% (8.40%)
Permanent items   (0.10%) (3.30%)
Other   (1.10%) (3.20%)
Effective income tax rate 35.00% 7.30% 23.90%