Income Taxes (Tables)	12 Months Ended
Dec. 31, 2021
Income Taxes [Abstract]
Schedule of Income Tax Expense	Year Ended December 31, 2021 2020 2019Current Federal $ 120,448 $ 51,741 $ 9,113State and local 30,871 14,203 7,354Total current 151,319 65,944 16,467Deferred Federal (7,151) (1,375) 2,528State and local (1,550) (486) 646Total deferred (8,701) (1,861) 3,174Income tax expense $ 142,618 $ 64,083 $ 19,641
Schedule of Components of Income Tax Expense by Expense	Year Ended December 31, 2021 2020 2019Statutory income tax expense $ 134,636 $ 56,730 $ 27,844State income tax expense, net of federal income tax expense 24,123 11,153 5,483Executive compensation 3,520 4,566 4,123Excess tax benefits upon vesting of share based payment awards (764) (108) (252)Federal energy credits (16,451) (8,549) (17,256)State tax credits (1,220) (900) —Other (1,226) 1,191 (301)Income tax expense $ 142,618 $ 64,083 $ 19,641
Schedule of Deferred Tax Assets and Liabilities	As of December 31, 2021 2020Deferred tax assets Warranty reserves $ 3,265 $ 3,389Stock-based compensation 770 841Accrued compensation and other 16,151 9,949Inventories, additional costs capitalized for tax 6,959 2,028Lease liabilities 4,433 4,245Other 2,205 1,794Deferred tax asset 33,783 22,246 Deferred tax liabilities Prepaid expenses (246) (141)Property and equipment (4,801) (4,658)Mortgage servicing rights (3,352) (1,009)Right of use assets (4,145) (3,988)Deferred tax liability (12,544) (9,796)Net deferred tax asset $ 21,239 $ 12,450

Tabular disclosure of the components of income tax expense attributable to continuing operations for each year presented including, but not limited to: current tax expense (benefit), deferred tax expense (benefit), investment tax credits, government grants, the benefits of operating loss carryforwards, tax expense that results from allocating certain tax benefits either directly to contributed capital or to reduce goodwill or other noncurrent intangible assets of an acquired entity, adjustments of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity, and adjustments of the beginning-of-the-year balances of a valuation allowance because of a change in circumstances that causes a change in judgment about the realizability of the related deferred tax asset in future years.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 740
-SubTopic 10
-Section 50
-Paragraph 9
-URI http://asc.fasb.org/extlink&oid=121826272&loc=d3e32639-109319

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