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v3.20.2

Segment Information - Schedule of Reconciliation of Net Income to EBITDA (Detail) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2020 | Mar. 31, 2020 | Jun. 30, 2019 | Mar. 31, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net income | $ 47,218 | $ 42,402 | $ 35,710 | $ 31,555 | $ 89,620 | $ 67,265
Interest (income) expense, net | (71) |  | (1) |  | (593) | (57)
Income tax expense | 16,249 |  | 12,030 |  | 29,504 | 19,730
Depreciation and Amortization |  |  |  |  | 7,915 | 6,792
Operating Segments [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net income | 47,218 |  | 35,710 |  | 89,620 | 67,265
Interest (income) expense, net | (71) |  | (1) |  | (593) | (57)
Income tax expense | 16,249 |  | 12,030 |  | 29,504 | 19,730
Depreciation and Amortization | 4,063 |  | 3,399 |  | 7,915 | 6,793
EBITDA | 67,459 |  | 51,138 |  | 126,446 | 93,731
Operating Segments [Member] | Residential [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net income | 45,912 |  | 35,223 |  | 86,932 | 66,478
Interest (income) expense, net | (71) |  | 6 |  | (593) | (50)
Income tax expense | 15,789 |  | 11,866 |  | 28,577 | 19,466
Depreciation and Amortization | 3,865 |  | 3,258 |  | 7,529 | 6,525
EBITDA | 65,495 |  | 50,353 |  | 122,445 | 92,419
Operating Segments [Member] | Commercial [Member] |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |
Net income | 1,306 |  | 487 |  | 2,688 | 787
Interest (income) expense, net |  |  | (7) |  |  | (7)
Income tax expense | 460 |  | 164 |  | 927 | 264
Depreciation and Amortization | 198 |  | 141 |  | 386 | 268
EBITDA | $ 1,964 |  | $ 785 |  | $ 4,001 | $ 1,312

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