Annual report pursuant to Section 13 and 15(d)

Income Taxes (Provision for Income Taxes) (Details)

v3.19.1
Income Taxes (Provision for Income Taxes) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Income Tax Disclosure [Abstract]                      
Income (loss) before income taxes $ 12,988 $ 12,657 $ 13,884 $ 7,636 $ (146) $ 4,657 $ 1,187 $ (4,518) $ 47,165 $ 1,180 $ (12,286)
Expense (benefit) under statutory U.S. tax rates                 9,905 413 (4,300)
Increase (decrease) in taxes resulting from:                      
(Decrease) increase in valuation allowance                 (66) (11,261) 12,540
Nondeductible items                 1,867 4,475 1,323
State taxes, net of federal benefit                 1,625 431 671
Impact of tax reform                 0 (660) 0
Other, net                 48 100 (209)
Income tax expense (benefit)                 $ 13,379 $ (6,502) $ 10,025