Minimum percentage of average gross margin from home sales excluding impairments.

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The percentage by which "Performance Revenues" exceed the "Base Revenues".

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The percentage of target goal number of shares that will be earned upon achieving the conditions specified under the established share-based compensation plan.

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of tax benefit from exercise of option under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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Gross number of share options (or share units) granted during the period.

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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Intrinsic value of nonvested award under share-based payment arrangement. Excludes share and unit options.

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Intrinsic value of vested award under share-based payment arrangement. Excludes share and unit options.

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Number of shares used to settle grantee's tax withholding obligation for award under share-based payment arrangement.

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Note 22 - Stock Based Compensation (Details Textual) - USD ($)	12 Months Ended			22 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017	May 23, 2018
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross	412,247	486,000	0
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 7.88	$ 6.32
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value	$ 8,200,000	$ 1,900,000	$ 2,500,000
Proceeds from Stock Options Exercised	15,341,000	9,860,000	9,501,000
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense	1,500,000	1,200,000	500,000
Share-based Payment Arrangement, Expense, Tax Benefit	0.0	200,000	200,000
Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount	$ 4,000,000.0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	2 years 2 months 12 days
Proceeds from Stock Options Exercised	$ 25,300,000	9,900,000	9,500,000
Share-based Payment Arrangement, Exercise of Option, Tax Benefit	$ 200,000	400,000	1,000,000.0
Share-based Payment Arrangement, Option [Member] \| Equity Incentive Plan 2011 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period	5 years
Restricted Stock [Member]
Share-based Payment Arrangement, Expense	$ 4,800,000	3,600,000	2,600,000
Share-based Payment Arrangement, Expense, Tax Benefit	$ 700,000	800,000	1,000,000.0
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition	1 year 7 months 6 days
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 4,600,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Nonvested	13,100,000
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested	$ 5,300,000	$ 3,200,000	$ 1,400,000
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member]
Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation	270,720	0	0
Share-based Payment Arrangement, Decrease for Tax Withholding Obligation	$ 10,000,000.0
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Granted in 2016 [Member]
Share-based Payment Arrangement, Expense	1,800,000	$ 6,300,000	$ 2,700,000
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Granted In 2017 [Member]
Share-based Payment Arrangement, Expense	11,700,000	3,000,000.0	$ 0
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Granted in 2018 [Member]
Share-based Payment Arrangement, Expense	6,300,000	$ 0
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Granted in 2019 [Member]
Share-based Payment Arrangement, Expense	$ 0
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| 5% to 10% Vesting Threshold [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Goal Number of Shares				50.00%
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Minimum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period				3 years
Share-based Compensation Arrangement by Share-based Payment Award, Average Gross Margin of Home Sales, Percentage, Minimum				15.00%
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Performance Revenues that Exceed Base Revenues				10.00%
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Minimum [Member] \| 5% to 10% Vesting Threshold [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Performance Revenues that Exceed Base Revenues				5.00%
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Minimum [Member] \| 20% Vesting Threshold [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Performance Revenues that Exceed Base Revenues				20.00%
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Maximum [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Performance Revenues that Exceed Base Revenues				20.00%
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Maximum [Member] \| 5% to 10% Vesting Threshold [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Performance Revenues that Exceed Base Revenues				10.00%
Performance Shares [Member] \| Equity Incentive Plan 2011 [Member] \| Maximum [Member] \| 20% Vesting Threshold [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Percentage of Target Goal Number of Shares				200.00%
Black-scholes Model [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value	$ 7.88	$ 6.32