Annual report pursuant to Section 13 and 15(d)

Income Taxes - Reconciliation of Effective Tax Rates (Details)

v3.20.4
Income Taxes - Reconciliation of Effective Tax Rates (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Income Tax Disclosure [Abstract]      
Income before (benefit) provision for income taxes $ 56,428 $ 36,553 $ 42,390
Federal statutory tax expense 11,850 7,676 8,902
State income taxes, net of federal benefit 2,257 2,140 3,071
Net state impact of deferred rate change (29) (53) 174
Non deductible expenses 987 150 982
Impact of reserve for uncertain tax positions (124) (925) 879
Stock-based compensation expense (2,922) (169) (441)
Energy efficiency preferences (8,595) (12,699) (8,636)
Foreign items and rate differential 160 56 (41)
Redeemable non-controlling interests (767) 1,101 70
Valuation allowance (4,308) 205 641
Miscellaneous 997 (1,230) (788)
Total income tax (benefit) provision $ (494) $ (3,748) $ 4,813
Effective tax rate:      
Federal statutory rate expense 21.00% 21.00% 21.00%
State income taxes, net of federal benefit 4.00% 5.90% 7.20%
Net state impact of deferred rate change (0.10%) (0.10%) 0.40%
Non deductible expenses 1.70% 0.40% 2.30%
Impact of reserve for uncertain tax positions (0.20%) (2.50%) 2.10%
Stock-based compensation expense (5.20%) (0.50%) (1.00%)
Energy efficiency preferences (15.20%) (34.70%) (20.40%)
Foreign items and rate differential 0.30% 0.20% (0.10%)
Redeemable non-controlling interests (1.40%) 3.00% 0.20%
Valuation allowance (7.60%) 0.60% 1.50%
Miscellaneous 1.80% (3.60%) (1.80%)
Effective tax rate (0.90%) (10.30%) 11.40%