Annual report pursuant to Section 13 and 15(d)

Income Taxes (Provision for Income Taxes) (Details)

v3.20.1
Income Taxes (Provision for Income Taxes) (Details) - USD ($)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Income Tax Disclosure [Abstract]                      
Income (loss) before income taxes $ 369 $ 15,297 $ 9,513 $ 4,828 $ 12,988 $ 12,657 $ 13,884 $ 7,636 $ 30,007 $ 47,165 $ 1,180
Expense (benefit) under statutory U.S. tax rates                 6,301 9,905 413
Increase (decrease) in taxes resulting from:                      
(Decrease) increase in valuation allowance                 998 (66) (11,261)
Nondeductible items                 (281) 1,867 4,475
State taxes, net of federal benefit                 398 1,625 431
Impact of tax reform                 0 0 (660)
Other, net                 (134) 48 100
Income tax expense (benefit)                 $ 7,282 $ 13,379 $ (6,502)