$GRBK
Green Brick Partners, Inc. Stock $grbk

$grbk Overview Financials Valuation SEC Filings Company Website

2019 Q4 Form 10-Q Financial Statement

#000137367019000021 Filed on November 08, 2019

Income Statement

Concept	2019 Q4	2019 Q3	2018 Q3
Revenue	$230.1M	$209.4M	$152.1M
YoY Change	24.3%	37.72%	32.98%
Cost Of Revenue	$181.4M	$164.7M	$115.4M
YoY Change	41.06%	42.72%	30.68%
Gross Profit	$48.70M	$44.73M	$36.67M
YoY Change	31.66%	21.97%	43.76%
Gross Profit Margin	21.16%	21.36%	24.12%
Selling, General & Admin	$27.60M	$25.06M	$19.64M
YoY Change	-30.83%	27.58%	106.33%
% of Gross Profit	56.67%	56.03%	53.57%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$640.0K	$760.0K	$760.0K
YoY Change	-43.86%	0.0%	985.71%
% of Gross Profit	1.31%	1.7%	2.07%
Operating Expenses	$30.70M	$25.06M	$19.64M
YoY Change	-26.2%	27.58%	106.33%
Operating Profit	$18.00M	$19.66M	$16.68M
YoY Change	-490.29%	17.9%	4.97%
Interest Expense	$2.200M	$3.000M	$2.700M
YoY Change	214.29%	11.11%
% of Operating Profit	12.22%	15.26%	16.19%
Other Income/Expense, Net	$2.300M	$3.778M	$363.0K
YoY Change	-1250.0%	940.77%	-16.55%
Pretax Income	$22.60M	$24.97M	$20.11M
YoY Change	9.18%	24.2%	16.27%
Income Tax	$5.000M	$5.800M	$4.734M
% Of Pretax Income	22.12%	23.23%	23.54%
Net Earnings	$15.90M	$15.67M	$12.20M
YoY Change	19.07%	28.48%	31.45%
Net Earnings / Revenue	6.91%	7.48%	8.02%
Basic Earnings Per Share		$0.31	$0.24
Diluted Earnings Per Share	$314.2K	$0.31	$0.24
COMMON SHARES
Basic Shares Outstanding	50.49M shares	50.48M shares	50.69M shares
Diluted Shares Outstanding		50.60M shares	50.78M shares

Balance Sheet

Concept	2019 Q4	2019 Q3	2018 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$33.30M	$35.10M	$33.10M
YoY Change	-13.05%	6.04%	59.9%
Cash & Equivalents	$33.27M	$41.23M	$45.01M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory	$753.6M	$740.8M	$648.2M
Prepaid Expenses
Receivables	$4.700M	$9.500M	$4.100M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$791.6M	$785.4M	$685.4M
YoY Change	11.16%	14.59%	36.83%
LONG-TERM ASSETS
Property, Plant & Equipment	$4.309M	$4.192M	$4.201M
YoY Change	-8.12%	-0.21%	516.89%
Goodwill	$680.0K	$680.0K	$680.0K
YoY Change	0.0%	0.0%
Intangibles	$707.0K	$728.0K	$1.041M
YoY Change	-17.41%	-30.07%
Long-Term Investments	$30.29M	$24.44M	$20.81M
YoY Change	49.46%	17.49%	31.93%
Other Assets	$19.70M	$21.90M	$32.00M
YoY Change	-1.01%	-31.56%	-46.84%
Total Long-Term Assets	$83.94M	$80.39M	$85.62M
YoY Change	16.7%	-6.11%	-18.93%
TOTAL ASSETS
Total Short-Term Assets	$791.6M	$785.4M	$685.4M
Total Long-Term Assets	$83.94M	$80.39M	$85.62M
Total Assets	$875.5M	$865.8M	$771.0M
YoY Change	11.67%	12.29%	27.12%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$30.00M	$34.70M	$35.00M
YoY Change	14.94%	-0.86%	116.05%
Accrued Expenses	$28.20M	$35.00M	$23.60M
YoY Change	-3.42%	48.31%	42.17%
Deferred Revenue
YoY Change
Short-Term Debt	$0.00	$0.00	$0.00
YoY Change
Long-Term Debt Due
YoY Change
Total Short-Term Liabilities	$82.20M	$96.80M	$92.40M
YoY Change	-5.84%	4.76%	66.19%
LONG-TERM LIABILITIES
Long-Term Debt	$251.7M	$250.4M	$207.9M
YoY Change	20.49%	20.44%	97.62%
Other Long-Term Liabilities	$5.300M	$2.100M	$500.0K
YoY Change	140.91%	320.0%	-93.33%
Total Long-Term Liabilities	$257.0M	$252.5M	$208.4M
YoY Change	21.74%	21.16%	84.92%
TOTAL LIABILITIES
Total Short-Term Liabilities	$82.20M	$96.80M	$92.40M
Total Long-Term Liabilities	$257.0M	$252.5M	$208.4M
Total Liabilities	$325.5M	$337.1M	$293.0M
YoY Change	12.31%	15.05%	74.12%
SHAREHOLDERS EQUITY
Retained Earnings	$235.0M	$220.3M	$164.2M
YoY Change	32.39%	34.17%	22.43%
Common Stock	$291.3M	$291.6M	$291.5M
YoY Change	-0.17%	0.04%	0.48%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.167M	$3.167M	$0.00
YoY Change	222.83%
Treasury Stock Shares
Shareholders Equity	$523.2M	$508.7M	$455.7M
YoY Change
Total Liabilities & Shareholders Equity	$875.5M	$865.8M	$771.0M
YoY Change	11.67%	12.29%	27.12%

Cashflow Statement

Concept	2019 Q4	2019 Q3	2018 Q3
OPERATING ACTIVITIES
Net Income	$15.90M	$15.67M	$12.20M
YoY Change	19.07%	28.48%	31.45%
Depreciation, Depletion And Amortization	$640.0K	$760.0K	$760.0K
YoY Change	-43.86%	0.0%	985.71%
Cash From Operating Activities	-$820.0K	-$450.0K	-$26.03M
YoY Change	-28.7%	-98.27%	-2.98%
INVESTING ACTIVITIES
Capital Expenditures	-$730.0K	-$700.0K	-$590.0K
YoY Change	-49.31%	18.64%	1866.67%
Acquisitions
YoY Change
Other Investing Activities	-$5.300M	$0.00	-$1.520M
YoY Change		-100.0%	533.33%
Cash From Investing Activities	-$6.030M	-$700.0K	-$2.100M
YoY Change	315.86%	-66.67%	677.78%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	3.310M	3.520M	31.94M
YoY Change	-601.52%	-88.98%	56.42%
NET CHANGE
Cash From Operating Activities	-820.0K	-450.0K	-26.03M
Cash From Investing Activities	-6.030M	-700.0K	-2.100M
Cash From Financing Activities	3.310M	3.520M	31.94M
Net Change In Cash	-3.540M	2.370M	3.810M
YoY Change	8.59%	-37.8%	-157.04%
FREE CASH FLOW
Cash From Operating Activities	-$820.0K	-$450.0K	-$26.03M
Capital Expenditures	-$730.0K	-$700.0K	-$590.0K
Free Cash Flow	-$90.00K	$250.0K	-$25.44M
YoY Change	-131.03%	-100.98%	-5.07%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2019
	dei	Entity Central Index Key EntityCentralIndexKey	0001373670
	dei	Amendment Flag AmendmentFlag	false
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CY2019Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2018Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50719884	shares
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50879949	shares
CY2018Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	50583128	shares
CY2019Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	50488010	shares
CY2018Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
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CY2019Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2018Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2018Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Transition Report DocumentTransitionReport	false
	dei	Entity File Number EntityFileNumber	001-33530
	dei	Entity Registrant Name EntityRegistrantName	Green Brick Partners, Inc.
	dei	Entity Incorporation State Country Code EntityIncorporationStateCountryCode	DE
	dei	Entity Tax Identification Number EntityTaxIdentificationNumber	20-5952523
	dei	Security12b Title Security12bTitle	Common Stock, par value $0.01 per share
	dei	Trading Symbol TradingSymbol	GRBK
	dei	Security Exchange Name SecurityExchangeName	NASDAQ
	dei	Entity Current Reporting Status EntityCurrentReportingStatus	Yes
	dei	Entity Interactive Data Current EntityInteractiveDataCurrent	Yes
	dei	Entity Filer Category EntityFilerCategory	Accelerated Filer
	dei	Entity Small Business EntitySmallBusiness	true
	dei	Entity Address Address Line1 EntityAddressAddressLine1	2805 Dallas Pkwy
	dei	Entity Address Address Line2 EntityAddressAddressLine2	Ste 400
	dei	Entity Address City Or Town EntityAddressCityOrTown	Plano
	dei	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75093
	dei	City Area Code CityAreaCode	(469)
	dei	Entity Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Local Phone Number LocalPhoneNumber	573-6755
	dei	Entity Shell Company EntityShellCompany	false
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CY2019Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	289739000	USD
CY2019Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	204591000	USD
CY2019Q2	us-gaap	Stockholders Equity StockholdersEquity	493470000	USD
CY2019Q2	us-gaap	Minority Interest MinorityInterest	5173000	USD
CY2019Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	498643000	USD
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50778000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50642000	shares
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	136000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	136000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	136000	USD
CY2019Q3	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	208001	shares
CY2019Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1798000	USD
CY2019Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1798000	USD
CY2019Q3	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	1798000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	15671000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	15671000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	2605000	USD
CY2019Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	18276000	USD
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50879949	shares
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	509000	USD
CY2019Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2019Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	291111000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	220262000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	508715000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	7778000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	516493000	USD
CY2018Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50719884	shares
CY2018Q2	us-gaap	Common Stock Value CommonStockValue	507000	USD
CY2018Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	0	shares
CY2018Q2	us-gaap	Treasury Stock Value TreasuryStockValue	0	USD
CY2018Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	290842000	USD
CY2018Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	151975000	USD
CY2018Q2	us-gaap	Stockholders Equity StockholdersEquity	443324000	USD
CY2018Q2	us-gaap	Minority Interest MinorityInterest	12208000	USD
CY2018Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	455532000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	72000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	72000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	72000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	104000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	104000	USD
CY2018Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	104000	USD
CY2018Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	323000	USD
CY2018Q3	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	323000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	12197000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	12197000	USD
CY2018Q3	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	2623000	USD
CY2018Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	14820000	USD
CY2018Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50719884	shares
CY2018Q3	us-gaap	Common Stock Value CommonStockValue	507000	USD
CY2018Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	0	shares
CY2018Q3	us-gaap	Treasury Stock Value TreasuryStockValue	0	USD
CY2018Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	291007000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	164172000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	455686000	USD
CY2018Q3	us-gaap	Minority Interest MinorityInterest	14508000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	470194000	USD
CY2018Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50719884	shares
CY2018Q4	us-gaap	Common Stock Value CommonStockValue	507000	USD
CY2018Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	136756	shares
CY2018Q4	us-gaap	Treasury Stock Value TreasuryStockValue	981000	USD
CY2018Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	291299000	USD
CY2018Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	177526000	USD
CY2018Q4	us-gaap	Stockholders Equity StockholdersEquity	468351000	USD
CY2018Q4	us-gaap	Minority Interest MinorityInterest	17281000	USD
CY2018Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	485632000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	215000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	215000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	215000	USD
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	219181	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1466000	USD
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	59116	shares
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	544000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	544000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	354000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	354000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	354000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	255183	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2186000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2186000	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	2186000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10993000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10993000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42736000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42736000	USD
	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	1490000	USD
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	44226000	USD
CY2019Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50879949	shares
CY2019Q3	us-gaap	Common Stock Value CommonStockValue	509000	USD
CY2019Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2019Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	291111000	USD
CY2019Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	220262000	USD
CY2019Q3	us-gaap	Stockholders Equity StockholdersEquity	508715000	USD
CY2019Q3	us-gaap	Minority Interest MinorityInterest	7778000	USD
CY2019Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	516493000	USD
CY2017Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50598901	shares
CY2017Q4	us-gaap	Common Stock Value CommonStockValue	506000	USD
CY2017Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	0	shares
CY2017Q4	us-gaap	Treasury Stock Value TreasuryStockValue	0	USD
CY2017Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	289938000	USD
CY2017Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	125903000	USD
CY2017Q4	us-gaap	Stockholders Equity StockholdersEquity	416347000	USD
CY2017Q4	us-gaap	Minority Interest MinorityInterest	16691000	USD
CY2017Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	433038000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	215000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	215000	USD
	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	215000	USD
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	140211	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1081000	USD
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	39228	shares
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	412000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	412000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	301000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	301000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	301000	USD
	us-gaap	Treasury Stock Shares Acquired TreasuryStockSharesAcquired	0	shares
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
	us-gaap	Treasury Stock Value Acquired Cost Method TreasuryStockValueAcquiredCostMethod	0	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10746000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	10746000	USD
	us-gaap	Net Income Loss NetIncomeLoss	38269000	USD
	us-gaap	Net Income Loss NetIncomeLoss	38269000	USD
	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	8563000	USD
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	46832000	USD
CY2018Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50719884	shares
CY2018Q3	us-gaap	Common Stock Value CommonStockValue	507000	USD
CY2018Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	0	shares
CY2018Q3	us-gaap	Treasury Stock Value TreasuryStockValue	0	USD
CY2018Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	291007000	USD
CY2018Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	164172000	USD
CY2018Q3	us-gaap	Stockholders Equity StockholdersEquity	455686000	USD
CY2018Q3	us-gaap	Minority Interest MinorityInterest	14508000	USD
CY2018Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	470194000	USD
	us-gaap	Profit Loss ProfitLoss	46754000	USD
	us-gaap	Profit Loss ProfitLoss	47607000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2443000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	1804000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2035000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1597000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1749000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	0	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	706000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	11120000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7565000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6534000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3390000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3361000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4668000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	2245000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	71392000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	108634000	USD
	us-gaap	Increase Decrease In Earnest Money Deposits Outstanding IncreaseDecreaseInEarnestMoneyDepositsOutstanding	-860000	USD
	us-gaap	Increase Decrease In Earnest Money Deposits Outstanding IncreaseDecreaseInEarnestMoneyDepositsOutstanding	-1021000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	103000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	3053000	USD
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	8599000	USD
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	8424000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2141000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	3914000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	1332000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	0	USD
	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	-4856000	USD
	us-gaap	Increase Decrease In Customer Deposits IncreaseDecreaseInCustomerDeposits	3293000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-21239000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-38325000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	755000	USD
	us-gaap	Payments To Acquire Businesses Net Of Cash Acquired PaymentsToAcquireBusinessesNetOfCashAcquired	26861000	USD
	us-gaap	Stock Issued During Period Value Acquisitions StockIssuedDuringPeriodValueAcquisitions	0	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1838000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1767000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1838000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-29383000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	165500000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	133000000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	75000000	USD
	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	0	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1682000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	228000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	201500000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	40000000	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	9181000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	514000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	544000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	412000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2186000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10993000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10746000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	-527000	USD
	us-gaap	Proceeds From Payments For Other Financing Activities ProceedsFromPaymentsForOtherFinancingActivities	0	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	22554000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	72433000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-523000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	4725000	USD
CY2018Q4	us-gaap	Cash Cash	38315000	USD
CY2017Q4	us-gaap	Cash Cash	36684000	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	3440000	USD
CY2017Q4	us-gaap	Restricted Cash RestrictedCash	3605000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	41755000	USD
CY2017Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	40289000	USD
CY2019Q3	us-gaap	Cash Cash	35123000	USD
CY2018Q3	us-gaap	Cash Cash	33116000	USD
CY2019Q3	us-gaap	Restricted Cash RestrictedCash	6109000	USD
CY2018Q3	us-gaap	Restricted Cash RestrictedCash	11898000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	41232000	USD
CY2018Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	45014000	USD
	us-gaap	Interest Paid Net InterestPaidNet	0	USD
	us-gaap	Interest Paid Net InterestPaidNet	0	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	3400000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14313000	USD
	us-gaap	Basis Of Accounting BasisOfAccounting	<div style="line-height:120%;text-align:left;text-indent:4px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;text-decoration:underline;">Basis of Presentation</span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The accompanying unaudited condensed consolidated financial statements have been prepared in accordance with United States generally accepted accounting principles (“GAAP”) as set forth in the Financial Accounting Standards Board’s (“FASB”) Accounting Standards Codification (“ASC”) and applicable regulations of the Securities and Exchange Commission (“SEC”), but do not include all of the information and footnotes required for complete financial statements. The condensed consolidated balance sheet as of </span><span style="font-family:inherit;font-size:10pt;">December 31, 2018</span><span style="font-family:inherit;font-size:10pt;"> was derived from the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended </span><span style="font-family:inherit;font-size:10pt;">December 31, 2018</span><span style="font-family:inherit;font-size:10pt;">. In the opinion of management, the accompanying unaudited condensed consolidated financial statements for the periods presented reflect all adjustments of a normal, recurring nature necessary to fairly state our financial position, results of operations and cash flows. These condensed consolidated financial statements should be read in conjunction with the consolidated financial statements and accompanying notes included in the Company’s Annual Report on Form 10-K for the year ended </span><span style="font-family:inherit;font-size:10pt;">December 31, 2018</span><span style="font-family:inherit;font-size:10pt;">. </span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Operating results for the three and </span><span style="font-family:inherit;font-size:10pt;">nine</span><span style="font-family:inherit;font-size:10pt;"> months ended </span><span style="font-family:inherit;font-size:10pt;">September 30, 2019</span><span style="font-family:inherit;font-size:10pt;"> are not necessarily indicative of the results that may be expected for the fiscal year ending </span><span style="font-family:inherit;font-size:10pt;">December 31, 2019</span><span style="font-family:inherit;font-size:10pt;"> or subsequent periods.</span></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;text-decoration:underline;">Use of Estimates</span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">The preparation of the condensed consolidated financial statements in conformity with GAAP requires management of the Company to make estimates and assumptions that affect the amounts reported in the condensed consolidated financial statements and accompanying notes, including the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the condensed consolidated financial statements and the reported amounts of revenue and expenses during the reporting periods. Actual results could differ from those estimates.</span></div>
	us-gaap	Prior Period Reclassification Adjustment Description PriorPeriodReclassificationAdjustmentDescription	<div style="line-height:120%;padding-bottom:8px;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;font-style:italic;text-decoration:underline;">Reclassifications</span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Certain prior period amounts have been reclassified to conform to the current period presentation. </span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">Beginning in the first quarter of 2019, the Company reclassified its sales commission expenses from cost of residential units to selling, general and administrative expense in the condensed consolidated statements of income in order to be more comparable with a majority of its peers. There was no impact to net income from the reclassification in any period.</span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;"><br/></span></div><div style="line-height:120%;text-align:left;text-indent:24px;font-size:10pt;"><span style="font-family:inherit;font-size:10pt;">For a complete set of the Company’s significant accounting policies, refer to Note 1 of the Company’s Annual Report on Form 10-K for the year ended </span><span style="font-family:inherit;font-size:10pt;">December 31, 2018</span><span style="font-family:inherit;font-size:10pt;">. Changes and additions to significant accounting policies during the </span><span style="font-family:inherit;font-size:10pt;">nine</span><span style="font-family:inherit;font-size:10pt;"> months ended </span><span style="font-family:inherit;font-size:10pt;">September 30, 2019</span><span style="font-family:inherit;font-size:10pt;"> are presented below.</span></div>
CY2019Q1	us-gaap	Operating Lease Liability OperatingLeaseLiability	4200000	USD
CY2019Q1	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	4100000	USD
CY2019Q1	us-gaap	Deferred Rent Credit DeferredRentCredit	100000	USD
CY2019Q2	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12509000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	8531000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	863000	USD
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	2528000	USD
CY2019Q3	us-gaap	Temporary Equity Interest In Subsidiary Earnings TemporaryEquityInterestInSubsidiaryEarnings	0	USD
	us-gaap	Temporary Equity Interest In Subsidiary Earnings TemporaryEquityInterestInSubsidiaryEarnings	527000	USD
CY2019Q3	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	1163000	USD
	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	1677000	USD
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12209000	USD
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12209000	USD
	us-gaap	Payment For Contingent Consideration Liability Investing Activities PaymentForContingentConsiderationLiabilityInvestingActivities	1800000	USD
	us-gaap	Temporary Equity Interest In Subsidiary Earnings TemporaryEquityInterestInSubsidiaryEarnings	500000	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Arrangements Range Of Outcomes Value Low BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow	3000000.0	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Arrangements Range Of Outcomes Value High BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueHigh	3900000	USD
CY2019Q3	us-gaap	Variable Interest Entity Consolidated Assets Pledged VariableInterestEntityConsolidatedAssetsPledged	85200000	USD
CY2018Q4	us-gaap	Variable Interest Entity Consolidated Assets Pledged VariableInterestEntityConsolidatedAssetsPledged	76300000	USD
CY2019Q3	grbk	Finished Homesand Homesunder Construction FinishedHomesandHomesunderConstruction	321058000	USD
CY2018Q4	grbk	Finished Homesand Homesunder Construction FinishedHomesandHomesunderConstruction	268763000	USD
CY2019Q3	us-gaap	Inventory Real Estate Land And Land Development Costs InventoryRealEstateLandAndLandDevelopmentCosts	418700000	USD
CY2018Q4	us-gaap	Inventory Real Estate Land And Land Development Costs InventoryRealEstateLandAndLandDevelopmentCosts	399809000	USD
CY2019Q3	us-gaap	Inventory Land Held For Sale InventoryLandHeldForSale	1041000	USD
CY2018Q4	us-gaap	Inventory Land Held For Sale InventoryLandHeldForSale	389000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	3052000	USD
CY2018Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	2479000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	9066000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	6113000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	2324000	USD
CY2018Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	1114000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	5919000	USD
CY2019Q3	us-gaap	Inventory Real Estate InventoryRealEstate	740799000	USD
CY2018Q4	us-gaap	Inventory Real Estate InventoryRealEstate	668961000	USD
CY2019Q2	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17199000	USD
CY2018Q2	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	12143000	USD
CY2018Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	14780000	USD
CY2017Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	10474000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	3079000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17927000	USD
CY2018Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	13508000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17927000	USD
CY2018Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	13508000	USD
CY2019Q3	grbk	Inventory Operative Builders With Potential Indicators Of Impairment InventoryOperativeBuildersWithPotentialIndicatorsOfImpairment	10700000
	us-gaap	Inventory Write Down InventoryWriteDown	100000	USD
	us-gaap	Inventory Write Down InventoryWriteDown	100000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Cash EquityMethodInvestmentSummarizedFinancialInformationCash	11642000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Cash EquityMethodInvestmentSummarizedFinancialInformationCash	14584000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Accounts Receivable EquityMethodInvestmentSummarizedFinancialInformationAccountsReceivable	2696000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Accounts Receivable EquityMethodInvestmentSummarizedFinancialInformationAccountsReceivable	1259000	USD
CY2019Q3	grbk	Equity Method Investments Summarized Financial Information Bonds Receivable EquityMethodInvestmentsSummarizedFinancialInformationBondsReceivable	5864000	USD
CY2018Q4	grbk	Equity Method Investments Summarized Financial Information Bonds Receivable EquityMethodInvestmentsSummarizedFinancialInformationBondsReceivable	5864000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Loans Held For Sale EquityMethodInvestmentSummarizedFinancialInformationLoansHeldForSale	14944000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Loans Held For Sale EquityMethodInvestmentSummarizedFinancialInformationLoansHeldForSale	3083000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Inventory EquityMethodInvestmentSummarizedFinancialInformationInventory	54032000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Equity EquityMethodInvestmentSummarizedFinancialInformationEquity	40058000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	93433000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity EquityMethodInvestmentSummarizedFinancialInformationEquity	33394000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	93433000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Assets EquityMethodInvestmentSummarizedFinancialInformationAssets	72297000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Accounts Payable EquityMethodInvestmentSummarizedFinancialInformationAccountsPayable	5835000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Accounts Payable EquityMethodInvestmentSummarizedFinancialInformationAccountsPayable	2173000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Accrued Expensesand Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationAccruedExpensesandOtherLiabilities	7758000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Inventory EquityMethodInvestmentSummarizedFinancialInformationInventory	44375000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Accrued Expensesand Other Liabilities EquityMethodInvestmentSummarizedFinancialInformationAccruedExpensesandOtherLiabilities	5328000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Notes Payable EquityMethodInvestmentSummarizedFinancialInformationNotesPayable	39782000	USD
CY2019Q3	grbk	Equity Method Investment Summarized Financial Information Other Assets EquityMethodInvestmentSummarizedFinancialInformationOtherAssets	4255000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Other Assets EquityMethodInvestmentSummarizedFinancialInformationOtherAssets	3132000	USD
CY2018Q4	grbk	Equity Method Investment Summarized Financial Information Notes Payable EquityMethodInvestmentSummarizedFinancialInformationNotesPayable	31402000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilities	53375000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities EquityMethodInvestmentSummarizedFinancialInformationLiabilities	38903000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	19971000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Minority Interest EquityMethodInvestmentSummarizedFinancialInformationMinorityInterest	15653000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	20087000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Equity Or Capital EquityMethodInvestmentSummarizedFinancialInformationEquityOrCapital	17741000	USD
CY2018Q4	us-gaap	Equity Method Investment Summarized Financial Information Liabilities And Equity EquityMethodInvestmentSummarizedFinancialInformationLiabilitiesAndEquity	72297000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	42428000	USD
CY2018Q3	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	43758000	USD
	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	116786000	USD
	us-gaap	Equity Method Investment Summarized Financial Information Revenue EquityMethodInvestmentSummarizedFinancialInformationRevenue	120710000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	36227000	USD
CY2018Q3	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	38308000	USD
	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	101348000	USD
	us-gaap	Equity Method Investment Summarized Financial Information Cost Of Sales EquityMethodInvestmentSummarizedFinancialInformationCostOfSales	107328000	USD
CY2019Q3	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	6201000	USD
CY2018Q3	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	5450000	USD
	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	15438000	USD
	us-gaap	Equity Method Investment Summarized Financial Information Net Income Loss EquityMethodInvestmentSummarizedFinancialInformationNetIncomeLoss	13382000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3022000	USD
CY2018Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	2719000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7565000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	6534000	USD
CY2019Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1208000	USD
CY2018Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1614000	USD
CY2019Q3	us-gaap	Line Of Credit LineOfCredit	164792000	USD
CY2018Q4	us-gaap	Line Of Credit LineOfCredit	200386000	USD
CY2019Q3	grbk	Lettersof Credit Issued LettersofCreditIssued	1300000	USD
CY2019Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	71800000	USD
CY2019Q3	us-gaap	Senior Notes SeniorNotes	75000000.0	USD
CY2019Q3	us-gaap	Debt Instrument Interest Rate Stated Percentage DebtInstrumentInterestRateStatedPercentage	0.0400
CY2019Q3	us-gaap	Proceeds From Issuance Of Senior Long Term Debt ProceedsFromIssuanceOfSeniorLongTermDebt	73300000	USD
CY2019Q3	us-gaap	Debt Instrument Fee Amount DebtInstrumentFeeAmount	1500000	USD
CY2019Q3	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	200000	USD
CY2019Q1	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	7862	shares
CY2019Q1	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	100000	USD
CY2019Q2	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	39320	shares
CY2019Q2	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	300000	USD
CY2019Q3	us-gaap	Stock Repurchase Program Expiration Date StockRepurchaseProgramExpirationDate	2019-08-05
CY2019Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	144584	shares
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1200000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	63417	shares
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	600000	USD
CY2019Q3	us-gaap	Stock Repurchase Program Remaining Authorized Repurchase Amount1 StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1	26800000	USD
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	59116	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	34000	shares
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	12.00
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	219000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	9.14
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	194000	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriodWeightedAverageGrantDateFairValue	9.67
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeited In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeitedInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Forfeitures Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue	0
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	59000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	9.05
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	500000	shares
	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	0	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	64400000	USD
CY2018Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.49
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Grants In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice	0
	us-gaap	Stock Issued During Period Shares Stock Options Exercised StockIssuedDuringPeriodSharesStockOptionsExercised	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Exercises In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice	0
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Forfeitures In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod	0	shares
	us-gaap	Share Based Compensation Arrangements By Share Based Payment Award Options Forfeitures In Period Weighted Average Exercise Price ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice	0
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	500000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice	7.49
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Outstanding Weighted Average Remaining Contractual Term2 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2	P5Y29D
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	1605000	USD
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	400000	shares
CY2019Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Weighted Average Exercise Price ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice	7.49
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Weighted Average Remaining Contractual Term1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1	P5Y29D
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	1284000	USD
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	100000	shares
CY2018Q4	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.88
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Gross ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross	0	shares
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue	0
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares	0	shares
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Vested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedWeightedAverageGrantDateFairValue	0
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedNumberOfShares	0	shares
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Options Forfeited Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedOptionsForfeitedWeightedAverageGrantDateFairValue	0
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Number Of Shares SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedNumberOfShares	100000	shares
CY2019Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Nonvested Weighted Average Grant Date Fair Value SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsNonvestedWeightedAverageGrantDateFairValue	2.88
CY2019Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	200000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2000000.0	USD
CY2018Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	200000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1600000	USD
CY2019Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	0.0	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	500000	USD
CY2018Q3	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	0.0	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	400000	USD
CY2019Q3	us-gaap	Customer Advances And Deposits CustomerAdvancesAndDeposits	27122000	USD
CY2018Q4	us-gaap	Customer Advances And Deposits CustomerAdvancesAndDeposits	31978000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	8642000	USD
CY2018Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	6487000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	15998000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	13747000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	10824000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	36720000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	16859000	USD
CY2019Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	64403000	USD
	us-gaap	Revenue Practical Expedient Remaining Performance Obligation Description RevenuePracticalExpedientRemainingPerformanceObligationDescription	Our contracts with homebuyers have a duration of less than one year. As such, the Company uses the practical expedient as allowed under ASC 606, Revenue from Contracts with Customers, and therefore has not disclosed the transaction price allocated to remaining performance obligations as of the end of the reporting period.
CY2019Q3	us-gaap	Revenues Revenues	209404000	USD
CY2018Q3	us-gaap	Revenues Revenues	152052000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	44725000	USD
CY2018Q3	us-gaap	Gross Profit GrossProfit	36668000	USD
	us-gaap	Gross Profit GrossProfit	120372000	USD
	us-gaap	Gross Profit GrossProfit	110373000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	24972000	USD
CY2018Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	20107000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	61747000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	60948000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	15671000	USD
CY2018Q3	us-gaap	Net Income Loss NetIncomeLoss	12197000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42736000	USD
	us-gaap	Net Income Loss NetIncomeLoss	38269000	USD
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50475000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50686000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50564000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50642000	shares
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
CY2018Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.24
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.76
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50475000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50686000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50564000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50642000	shares
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	122000	shares
CY2018Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	92000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	78000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	118000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	19000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50597000	shares
CY2018Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50778000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50642000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50760000	shares
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
CY2018Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.24
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.75
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2018Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	3000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	7000	shares
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019Q3	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	78200000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2207000	USD
CY2018Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2207000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	514000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	514000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	1332000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	1332000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1749000	USD
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	3300000	USD
CY2018Q4	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	2200000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1749000	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2110000	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	2110000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	USD
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019Q3	grbk	Lots Remaining To Be Sold LotsRemainingToBeSold	0
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
	dei	Document Period End Date DocumentPeriodEndDate	2019-09-30
CY2019Q3	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	169000	USD
CY2018Q3	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	34000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	72000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	17000	USD
CY2019Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	300000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	900000	USD
CY2019Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	300000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	900000	USD
CY2019Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P3Y6M
CY2019Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.0522
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	321000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	1320000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1096000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	819000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Five LesseeOperatingLeaseLiabilityPaymentsDueYearFive	622000	USD
CY2019Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	4178000	USD
CY2019Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	3837000	USD
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	100000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	300000	USD
CY2019Q3	grbk	Lotsunder Purchase Options Number LotsunderPurchaseOptionsNumber	2855	lot
CY2018Q4	grbk	Lotsunder Purchase Options Number LotsunderPurchaseOptionsNumber	1843	lot
CY2019Q3	grbk	Landand Lotsunder Purchase Options Expected Purchase Payments Remainderof Fiscal Year LandandLotsunderPurchaseOptionsExpectedPurchasePaymentsRemainderofFiscalYear	52978000	USD
CY2019Q3	grbk	Landand Lotsunder Purchase Options Expected Purchase Payments Year Two LandandLotsunderPurchaseOptionsExpectedPurchasePaymentsYearTwo	113458000	USD
CY2019Q3	grbk	Landand Lotsunder Purchase Options Expected Purchase Payments Year Three LandandLotsunderPurchaseOptionsExpectedPurchasePaymentsYearThree	49861000	USD
CY2019Q3	grbk	Landand Lotsunder Purchase Options Expected Purchase Payments Year Four LandandLotsunderPurchaseOptionsExpectedPurchasePaymentsYearFour	8075000	USD
CY2019Q3	grbk	Landand Lotsunder Purchase Options Expected Purchase Payments Total LandandLotsunderPurchaseOptionsExpectedPurchasePaymentsTotal	224372000	USD
CY2019Q3	grbk	Earnest Money Depositsand Preacquisition Costs Written Off EarnestMoneyDepositsandPreacquisitionCostsWrittenOff	0.0	USD
	grbk	Earnest Money Depositsand Preacquisition Costs Written Off EarnestMoneyDepositsandPreacquisitionCostsWrittenOff	500000	USD
CY2018Q3	grbk	Earnest Money Depositsand Preacquisition Costs Written Off EarnestMoneyDepositsandPreacquisitionCostsWrittenOff	100000	USD
	grbk	Earnest Money Depositsand Preacquisition Costs Written Off EarnestMoneyDepositsandPreacquisitionCostsWrittenOff	200000	USD

Files In Submission

Name	View Source	Status
R24.htm	Edgar Link	pending
0001373670-19-000021-index-headers.html	Edgar Link	pending
0001373670-19-000021-index.html	Edgar Link	pending
0001373670-19-000021.txt	Edgar Link	pending
0001373670-19-000021-xbrl.zip	Edgar Link	pending
a0930201910-q.htm	Edgar Link	pending
a0930201910-q_htm.xml	Edgar Link	completed
exhibit311certificatio.htm	Edgar Link	pending
exhibit312certificatio.htm	Edgar Link	pending
exhibit321certificatio.htm	Edgar Link	pending
exhibit322certificatio.htm	Edgar Link	pending
FilingSummary.xml	Edgar Link	unprocessable
Financial_Report.xlsx	Edgar Link	pending
grbk-20190930.xsd	Edgar Link	pending
grbk-20190930_cal.xml	Edgar Link	unprocessable
grbk-20190930_def.xml	Edgar Link	unprocessable
grbk-20190930_lab.xml	Edgar Link	unprocessable
grbk-20190930_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
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R6.htm	Edgar Link	pending
R7.htm	Edgar Link	pending
R8.htm	Edgar Link	pending
R9.htm	Edgar Link	pending
report.css	Edgar Link	pending
Show.js	Edgar Link	pending

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$GRBK
Green Brick Partners, Inc. Stock $grbk

2019 Q4 Form 10-Q Financial Statement

#000137367019000021 Filed on November 08, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GRBK Green Brick Partners, Inc. Stock $grbk

2019 Q4 Form 10-Q Financial Statement

#000137367019000021 Filed on November 08, 2019

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GRBK
Green Brick Partners, Inc. Stock $grbk