$GRBK
Green Brick Partners, Inc. Stock $grbk

$grbk Overview Financials Valuation SEC Filings Company Website

2020 Q3 Form 10-Q Financial Statement

#000137367020000062 Filed on October 29, 2020

Income Statement

Concept	2020 Q3	2019 Q4	2019 Q3
Revenue	$275.8M	$230.1M	$209.4M
YoY Change	31.72%	24.3%	37.72%
Cost Of Revenue	$207.9M	$181.4M	$164.7M
YoY Change	26.27%	41.06%	42.72%
Gross Profit	$67.89M	$48.70M	$44.73M
YoY Change	51.79%	31.66%	21.97%
Gross Profit Margin	24.61%	21.16%	21.36%
Selling, General & Admin	$29.18M	$27.60M	$25.06M
YoY Change	16.42%	-30.83%	27.58%
% of Gross Profit	42.98%	56.67%	56.03%
Research & Development
YoY Change
% of Gross Profit
Depreciation & Amortization	$920.0K	$640.0K	$760.0K
YoY Change	21.05%	-43.86%	0.0%
% of Gross Profit	1.36%	1.31%	1.7%
Operating Expenses	$29.18M	$30.70M	$25.06M
YoY Change	16.42%	-26.2%	27.58%
Operating Profit	$38.71M	$18.00M	$19.66M
YoY Change	96.85%	-490.29%	17.9%
Interest Expense	$5.300M	$2.200M	$3.000M
YoY Change	76.67%	214.29%	11.11%
% of Operating Profit	13.69%	12.22%	15.26%
Other Income/Expense, Net	$2.125M	$2.300M	$3.778M
YoY Change	-43.75%	-1250.0%	940.77%
Pretax Income	$45.92M	$22.60M	$24.97M
YoY Change	83.9%	9.18%	24.2%
Income Tax	$10.00M	$5.000M	$5.800M
% Of Pretax Income	21.78%	22.12%	23.23%
Net Earnings	$34.82M	$15.90M	$15.67M
YoY Change	122.19%	19.07%	28.48%
Net Earnings / Revenue	12.62%	6.91%	7.48%
Basic Earnings Per Share	$0.69		$0.31
Diluted Earnings Per Share	$0.68	$314.2K	$0.31
COMMON SHARES
Basic Shares Outstanding	50.62M shares	50.49M shares	50.48M shares
Diluted Shares Outstanding	50.88M shares		50.60M shares

Balance Sheet

Concept	2020 Q3	2019 Q4	2019 Q3
SHORT-TERM ASSETS
Cash & Short-Term Investments	$40.30M	$33.30M	$35.10M
YoY Change	14.81%	-13.05%	6.04%
Cash & Equivalents	$40.27M	$33.27M	$41.23M
Short-Term Investments
Other Short-Term Assets
YoY Change
Inventory	$779.4M	$753.6M	$740.8M
Prepaid Expenses
Receivables	$5.700M	$4.700M	$9.500M
Other Receivables	$0.00	$0.00	$0.00
Total Short-Term Assets	$825.4M	$791.6M	$785.4M
YoY Change	5.09%	11.16%	14.59%
LONG-TERM ASSETS
Property, Plant & Equipment	$3.620M	$4.309M	$4.192M
YoY Change	-13.65%	-8.12%	-0.21%
Goodwill	$680.0K	$680.0K	$680.0K
YoY Change	0.0%	0.0%	0.0%
Intangibles	$643.0K	$707.0K	$728.0K
YoY Change	-11.68%	-17.41%	-30.07%
Long-Term Investments	$46.24M	$30.29M	$24.44M
YoY Change	89.15%	49.46%	17.49%
Other Assets	$26.00M	$19.70M	$21.90M
YoY Change	18.72%	-1.01%	-31.56%
Total Long-Term Assets	$119.2M	$83.94M	$80.39M
YoY Change	48.26%	16.7%	-6.11%
TOTAL ASSETS
Total Short-Term Assets	$825.4M	$791.6M	$785.4M
Total Long-Term Assets	$119.2M	$83.94M	$80.39M
Total Assets	$944.6M	$875.5M	$865.8M
YoY Change	9.1%	11.67%	12.29%
SHORT-TERM LIABILITIES
YoY Change
Accounts Payable	$23.10M	$30.00M	$34.70M
YoY Change	-33.43%	14.94%	-0.86%
Accrued Expenses	$52.70M	$28.20M	$35.00M
YoY Change	50.57%	-3.42%	48.31%
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	$105.1M	$82.20M	$96.80M
YoY Change	8.57%	-5.84%	4.76%
LONG-TERM LIABILITIES
Long-Term Debt	$220.3M	$251.7M	$250.4M
YoY Change	-12.02%	20.49%	20.44%
Other Long-Term Liabilities	$200.0K	$5.300M	$2.100M
YoY Change	-90.48%	140.91%	320.0%
Total Long-Term Liabilities	$220.5M	$257.0M	$252.5M
YoY Change	-12.67%	21.74%	21.16%
TOTAL LIABILITIES
Total Short-Term Liabilities	$105.1M	$82.20M	$96.80M
Total Long-Term Liabilities	$220.5M	$257.0M	$252.5M
Total Liabilities	$312.1M	$325.5M	$337.1M
YoY Change	-7.42%	12.31%	15.05%
SHAREHOLDERS EQUITY
Retained Earnings	$320.3M	$235.0M	$220.3M
YoY Change	45.44%	32.39%	34.17%
Common Stock	$292.9M	$291.3M	$291.6M
YoY Change	0.44%	-0.17%	0.04%
Preferred Stock
YoY Change
Treasury Stock (at cost)	$3.167M	$3.167M	$3.167M
YoY Change	0.0%	222.83%
Treasury Stock Shares
Shareholders Equity	$610.1M	$523.2M	$508.7M
YoY Change
Total Liabilities & Shareholders Equity	$944.6M	$875.5M	$865.8M
YoY Change	9.1%	11.67%	12.29%

Cashflow Statement

Concept	2020 Q3	2019 Q4	2019 Q3
OPERATING ACTIVITIES
Net Income	$34.82M	$15.90M	$15.67M
YoY Change	122.19%	19.07%	28.48%
Depreciation, Depletion And Amortization	$920.0K	$640.0K	$760.0K
YoY Change	21.05%	-43.86%	0.0%
Cash From Operating Activities	$25.09M	-$820.0K	-$450.0K
YoY Change	-5675.56%	-28.7%	-98.27%
INVESTING ACTIVITIES
Capital Expenditures	-$530.0K	-$730.0K	-$700.0K
YoY Change	-24.29%	-49.31%	18.64%
Acquisitions
YoY Change
Other Investing Activities	-$9.860M	-$5.300M	$0.00
YoY Change			-100.0%
Cash From Investing Activities	-$10.38M	-$6.030M	-$700.0K
YoY Change	1382.86%	315.86%	-66.67%
FINANCING ACTIVITIES
Cash Dividend Paid
YoY Change
Common Stock Issuance & Retirement, Net
YoY Change
Debt Paid & Issued, Net
YoY Change
Cash From Financing Activities	-15.18M	3.310M	3.520M
YoY Change	-531.25%	-601.52%	-88.98%
NET CHANGE
Cash From Operating Activities	25.09M	-820.0K	-450.0K
Cash From Investing Activities	-10.38M	-6.030M	-700.0K
Cash From Financing Activities	-15.18M	3.310M	3.520M
Net Change In Cash	-470.0K	-3.540M	2.370M
YoY Change	-119.83%	8.59%	-37.8%
FREE CASH FLOW
Cash From Operating Activities	$25.09M	-$820.0K	-$450.0K
Capital Expenditures	-$530.0K	-$730.0K	-$700.0K
Free Cash Flow	$25.62M	-$90.00K	$250.0K
YoY Change	10148.0%	-131.03%	-100.98%

Facts In Submission

Frame	Concept Type	Concept / XBRL Key	Value	Unit
	dei	Entity Central Index Key EntityCentralIndexKey	0001373670
	dei	Amendment Flag AmendmentFlag	false
	dei	Current Fiscal Year End Date CurrentFiscalYearEndDate	--12-31
	dei	Document Fiscal Year Focus DocumentFiscalYearFocus	2020
	dei	Document Fiscal Period Focus DocumentFiscalPeriodFocus	Q3
CY2020Q3	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Preferred Stock Par Or Stated Value Per Share PreferredStockParOrStatedValuePerShare	0.01
CY2020Q3	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2019Q4	us-gaap	Preferred Stock Shares Authorized PreferredStockSharesAuthorized	5000000	shares
CY2020Q3	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Issued PreferredStockSharesIssued	0	shares
CY2020Q3	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2019Q4	us-gaap	Preferred Stock Shares Outstanding PreferredStockSharesOutstanding	0	shares
CY2020Q3	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Common Stock Par Or Stated Value Per Share CommonStockParOrStatedValuePerShare	0.01
CY2019Q4	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	15262000	USD
CY2020Q3	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	643000	USD
CY2020Q3	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2019Q4	us-gaap	Common Stock Shares Authorized CommonStockSharesAuthorized	100000000	shares
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51053858	shares
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50879949	shares
CY2020Q3	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	50661919	shares
CY2019Q4	us-gaap	Common Stock Shares Outstanding CommonStockSharesOutstanding	50488010	shares
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P0Y3M
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation Expected Timing Of Satisfaction Period1 RevenueRemainingPerformanceObligationExpectedTimingOfSatisfactionPeriod1	P1Y
	dei	Document Type DocumentType	10-Q
	dei	Document Quarterly Report DocumentQuarterlyReport	true
	dei	Document Period End Date DocumentPeriodEndDate	2020-09-30
	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	Entity Address State Or Province EntityAddressStateOrProvince	TX
	dei	Entity Address Postal Zip Code EntityAddressPostalZipCode	75093
	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	City Area Code CityAreaCode	(469)
	dei	Local Phone Number LocalPhoneNumber	573-6755
	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 Emerging Growth Company EntityEmergingGrowthCompany	false
	dei	Entity Shell Company EntityShellCompany	false
CY2020Q3	dei	Entity Common Stock Shares Outstanding EntityCommonStockSharesOutstanding	50661919	shares
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	40269000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	33269000	USD
CY2020Q3	us-gaap	Restricted Cash RestrictedCash	10580000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	4416000	USD
CY2020Q3	us-gaap	Accounts Receivable Net AccountsReceivableNet	5651000	USD
CY2019Q4	us-gaap	Accounts Receivable Net AccountsReceivableNet	4720000	USD
CY2020Q3	us-gaap	Inventory Operative Builders InventoryOperativeBuilders	779360000	USD
CY2019Q4	us-gaap	Inventory Operative Builders InventoryOperativeBuilders	753567000	USD
CY2020Q3	us-gaap	Equity Method Investments EquityMethodInvestments	46235000	USD
CY2019Q4	us-gaap	Equity Method Investments EquityMethodInvestments	30294000	USD
CY2020Q3	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	2800000	USD
CY2019Q4	us-gaap	Operating Lease Right Of Use Asset OperatingLeaseRightOfUseAsset	3462000	USD
CY2020Q3	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	3620000	USD
CY2019Q4	us-gaap	Property Plant And Equipment Net PropertyPlantAndEquipmentNet	4309000	USD
CY2020Q3	us-gaap	Earnest Money Deposits EarnestMoneyDeposits	22263000	USD
CY2019Q4	us-gaap	Earnest Money Deposits EarnestMoneyDeposits	14686000	USD
CY2020Q3	us-gaap	Deferred Income Tax Assets Net DeferredIncomeTaxAssetsNet	15377000	USD
CY2019Q4	us-gaap	Intangible Assets Net Excluding Goodwill IntangibleAssetsNetExcludingGoodwill	707000	USD
CY2020Q3	us-gaap	Goodwill Goodwill	680000	USD
CY2019Q4	us-gaap	Goodwill Goodwill	680000	USD
CY2020Q3	us-gaap	Other Assets OtherAssets	17104000	USD
CY2019Q4	us-gaap	Other Assets OtherAssets	10167000	USD
CY2020Q3	us-gaap	Assets Assets	944582000	USD
CY2019Q4	us-gaap	Assets Assets	875539000	USD
CY2020Q3	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	23127000	USD
CY2019Q4	us-gaap	Accounts Payable Current And Noncurrent AccountsPayableCurrentAndNoncurrent	30044000	USD
CY2020Q3	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	49847000	USD
CY2019Q4	us-gaap	Accrued Liabilities Current And Noncurrent AccruedLiabilitiesCurrentAndNoncurrent	24656000	USD
CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	29339000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	23954000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	2888000	USD
CY2019Q4	us-gaap	Operating Lease Liability OperatingLeaseLiability	3564000	USD
CY2020Q3	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	93489000	USD
CY2019Q4	us-gaap	Lines Of Credit Current LinesOfCreditCurrent	164642000	USD
CY2020Q3	us-gaap	Senior Notes SeniorNotes	111028000	USD
CY2019Q4	us-gaap	Senior Notes SeniorNotes	73406000	USD
CY2020Q3	us-gaap	Other Notes Payable OtherNotesPayable	2131000	USD
CY2019Q4	us-gaap	Other Notes Payable OtherNotesPayable	0	USD
CY2020Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	210000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	5267000	USD
CY2020Q3	us-gaap	Liabilities Liabilities	312059000	USD
CY2019Q4	us-gaap	Liabilities Liabilities	325533000	USD
CY2020Q3	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2019Q4	us-gaap	Commitments And Contingencies CommitmentsAndContingencies		USD
CY2020Q3	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	13624000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Carrying Amount RedeemableNoncontrollingInterestEquityCarryingAmount	13611000	USD
CY2020Q3	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2019Q4	us-gaap	Preferred Stock Value PreferredStockValue	0	USD
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	511000	USD
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	509000	USD
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2020Q3	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	292388000	USD
CY2019Q4	us-gaap	Additional Paid In Capital Common Stock AdditionalPaidInCapitalCommonStock	290799000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	320347000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	235027000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	610079000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	523168000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	8820000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	13227000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	618899000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	536395000	USD
CY2020Q3	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	944582000	USD
CY2019Q4	us-gaap	Liabilities And Stockholders Equity LiabilitiesAndStockholdersEquity	875539000	USD
CY2020Q3	us-gaap	Revenues Revenues	275821000	USD
CY2019Q3	us-gaap	Revenues Revenues	209404000	USD
	us-gaap	Revenues Revenues	721921000	USD
	us-gaap	Revenues Revenues	561538000	USD
CY2020Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	207935000	USD
CY2019Q3	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	164679000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	551171000	USD
	us-gaap	Cost Of Goods And Services Sold CostOfGoodsAndServicesSold	441166000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	67886000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	44725000	USD
	us-gaap	Gross Profit GrossProfit	170750000	USD
	us-gaap	Gross Profit GrossProfit	120372000	USD
CY2020Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	29177000	USD
CY2019Q3	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	25061000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	81718000	USD
	us-gaap	Selling General And Administrative Expense SellingGeneralAndAdministrativeExpense	70584000	USD
CY2020Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	210000	USD
CY2019Q3	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1492000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-210000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1749000	USD
CY2020Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	5299000	USD
CY2019Q3	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	3022000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	13038000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7565000	USD
CY2020Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	2125000	USD
CY2019Q3	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3778000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	3004000	USD
	us-gaap	Other Nonoperating Income Expense OtherNonoperatingIncomeExpense	6143000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	45923000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	24972000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	104864000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	61747000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	9969000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5833000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17357000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	14993000	USD
CY2020Q3	us-gaap	Profit Loss ProfitLoss	35954000	USD
CY2019Q3	us-gaap	Profit Loss ProfitLoss	19139000	USD
	us-gaap	Profit Loss ProfitLoss	87507000	USD
	us-gaap	Profit Loss ProfitLoss	46754000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	1135000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3468000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	3124000	USD
	us-gaap	Net Income Loss Attributable To Noncontrolling Interest NetIncomeLossAttributableToNoncontrollingInterest	4018000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	34819000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	15671000	USD
	us-gaap	Net Income Loss NetIncomeLoss	84383000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42736000	USD
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.66
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50617000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50475000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50552000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50564000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50876000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50597000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50739000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50642000	shares
CY2020Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51053858	shares
CY2020Q2	us-gaap	Common Stock Value CommonStockValue	511000	USD
CY2020Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2020Q2	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2020Q2	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	292887000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	320347000	USD
CY2020Q2	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	285528000	USD
CY2020Q2	us-gaap	Stockholders Equity StockholdersEquity	575759000	USD
CY2020Q2	us-gaap	Minority Interest MinorityInterest	8186000	USD
CY2020Q2	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	583945000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	139000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	139000	USD
CY2020Q3	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	139000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	34819000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	34819000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	634000	USD
CY2020Q3	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	35453000	USD
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51053858	shares
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	511000	USD
CY2020Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	292388000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	610079000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	8820000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	618899000	USD
CY2019Q2	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50879949	shares
CY2019Q2	us-gaap	Common Stock Value CommonStockValue	509000	USD
CY2019Q2	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	183938	shares
CY2019Q2	us-gaap	Treasury Stock Value TreasuryStockValue	1369000	USD
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
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	73000	USD
CY2019Q3	us-gaap	Adjustments To Additional Paid In Capital Share Based Compensation Stock Options Requisite Service Period Recognition AdjustmentsToAdditionalPaidInCapitalShareBasedCompensationStockOptionsRequisiteServicePeriodRecognition	73000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	208001	shares
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1798000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	1798000	USD
CY2019Q3	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	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	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2019Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	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
CY2019Q4	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	50879949	shares
CY2019Q4	us-gaap	Common Stock Value CommonStockValue	509000	USD
CY2019Q4	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2019Q4	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2019Q4	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	290799000	USD
CY2019Q4	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	235027000	USD
CY2019Q4	us-gaap	Stockholders Equity StockholdersEquity	523168000	USD
CY2019Q4	us-gaap	Minority Interest MinorityInterest	13227000	USD
CY2019Q4	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	536395000	USD
	us-gaap	Stock Issued During Period Shares Share Based Compensation StockIssuedDuringPeriodSharesShareBasedCompensation	249617	shares
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1601000	USD
	us-gaap	Stock Issued During Period Value Share Based Compensation StockIssuedDuringPeriodValueShareBasedCompensation	1601000	USD
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	75708	shares
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	592000	USD
	us-gaap	Adjustments Related To Tax Withholding For Share Based Compensation AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation	592000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	357000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	357000	USD
	us-gaap	Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	357000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	225000	USD
	us-gaap	Minority Interest Change In Redemption Value MinorityInterestChangeInRedemptionValue	225000	USD
	us-gaap	Consolidation Less Than Wholly Owned Subsidiary Parent Ownership Interest Changes Purchase Of Interest By Parent ConsolidationLessThanWhollyOwnedSubsidiaryParentOwnershipInterestChangesPurchaseOfInterestByParent	937000	USD
CY2020Q3	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	400000	USD
CY2020Q3	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	400000	USD
CY2020Q3	us-gaap	Noncontrolling Interest Increase From Business Combination NoncontrollingInterestIncreaseFromBusinessCombination	400000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	5251000	USD
	us-gaap	Minority Interest Decrease From Distributions To Noncontrolling Interest Holders MinorityInterestDecreaseFromDistributionsToNoncontrollingInterestHolders	5251000	USD
	us-gaap	Net Income Loss NetIncomeLoss	84383000	USD
	us-gaap	Net Income Loss NetIncomeLoss	84383000	USD
	us-gaap	Net Income Loss Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossAttributableToNonredeemableNoncontrollingInterest	1381000	USD
	us-gaap	Net Income Loss Including Portion Attributable To Nonredeemable Noncontrolling Interest NetIncomeLossIncludingPortionAttributableToNonredeemableNoncontrollingInterest	85764000	USD
CY2020Q3	us-gaap	Common Stock Shares Issued CommonStockSharesIssued	51053858	shares
CY2020Q3	us-gaap	Common Stock Value CommonStockValue	511000	USD
CY2020Q3	us-gaap	Treasury Stock Common Shares TreasuryStockCommonShares	391939	shares
CY2020Q3	us-gaap	Treasury Stock Value TreasuryStockValue	3167000	USD
CY2020Q3	us-gaap	Additional Paid In Capital AdditionalPaidInCapital	292388000	USD
CY2020Q3	us-gaap	Retained Earnings Accumulated Deficit RetainedEarningsAccumulatedDeficit	320347000	USD
CY2020Q3	us-gaap	Stockholders Equity StockholdersEquity	610079000	USD
CY2020Q3	us-gaap	Minority Interest MinorityInterest	8820000	USD
CY2020Q3	us-gaap	Stockholders Equity Including Portion Attributable To Noncontrolling Interest StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest	618899000	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	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	Stock Repurchased During Period Shares StockRepurchasedDuringPeriodShares	255183	shares
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2186000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	2186000	USD
	us-gaap	Stock Repurchased During Period Value StockRepurchasedDuringPeriodValue	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
	us-gaap	Profit Loss ProfitLoss	87507000	USD
	us-gaap	Profit Loss ProfitLoss	46754000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2461000	USD
	us-gaap	Depreciation Depletion And Amortization DepreciationDepletionAndAmortization	2443000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	1958000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2035000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-210000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	1749000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	-115000	USD
	us-gaap	Deferred Income Tax Expense Benefit DeferredIncomeTaxExpenseBenefit	706000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	13038000	USD
	us-gaap	Income Loss From Equity Method Investments IncomeLossFromEquityMethodInvestments	7565000	USD
	grbk	Earnest Money Depositsand Preacquisition Costs Written Off EarnestMoneyDepositsandPreacquisitionCostsWrittenOff	1490000	USD
	grbk	Earnest Money Depositsand Preacquisition Costs Written Off EarnestMoneyDepositsandPreacquisitionCostsWrittenOff	520000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	7444000	USD
	us-gaap	Equity Method Investment Dividends Or Distributions EquityMethodInvestmentDividendsOrDistributions	3390000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	931000	USD
	us-gaap	Increase Decrease In Accounts Receivable IncreaseDecreaseInAccountsReceivable	4668000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	25263000	USD
	us-gaap	Increase Decrease In Inventories IncreaseDecreaseInInventories	71392000	USD
	us-gaap	Increase Decrease In Earnest Money Deposits Outstanding IncreaseDecreaseInEarnestMoneyDepositsOutstanding	9067000	USD
	us-gaap	Increase Decrease In Earnest Money Deposits Outstanding IncreaseDecreaseInEarnestMoneyDepositsOutstanding	-860000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	6951000	USD
	us-gaap	Increase Decrease In Other Operating Assets IncreaseDecreaseInOtherOperatingAssets	623000	USD
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	-6917000	USD
	us-gaap	Increase Decrease In Accounts Payable Trade IncreaseDecreaseInAccountsPayableTrade	8599000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	25191000	USD
	us-gaap	Increase Decrease In Accrued Liabilities IncreaseDecreaseInAccruedLiabilities	2141000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	5267000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	1332000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	-5385000	USD
	us-gaap	Increase Decrease In Contract With Customer Liability IncreaseDecreaseInContractWithCustomerLiability	4856000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	64097000	USD
	us-gaap	Net Cash Provided By Used In Operating Activities NetCashProvidedByUsedInOperatingActivities	-21239000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	10347000	USD
	us-gaap	Payments To Acquire Equity Method Investments PaymentsToAcquireEquityMethodInvestments	0	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1707000	USD
	us-gaap	Payments To Acquire Property Plant And Equipment PaymentsToAcquirePropertyPlantAndEquipment	1838000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-12054000	USD
	us-gaap	Net Cash Provided By Used In Investing Activities NetCashProvidedByUsedInInvestingActivities	-1838000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	217500000	USD
	us-gaap	Proceeds From Lines Of Credit ProceedsFromLinesOfCredit	165500000	USD
	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	37500000	USD
	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	75000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	289000000	USD
	us-gaap	Repayments Of Lines Of Credit RepaymentsOfLinesOfCredit	201500000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	10715000	USD
	us-gaap	Proceeds From Notes Payable ProceedsFromNotesPayable	0	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	8584000	USD
	us-gaap	Repayments Of Notes Payable RepaymentsOfNotesPayable	0	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	62000	USD
	us-gaap	Payments Of Debt Issuance Costs PaymentsOfDebtIssuanceCosts	1682000	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	0	USD
	us-gaap	Payment For Contingent Consideration Liability Financing Activities PaymentForContingentConsiderationLiabilityFinancingActivities	514000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	592000	USD
	us-gaap	Payments Related To Tax Withholding For Share Based Compensation PaymentsRelatedToTaxWithholdingForShareBasedCompensation	544000	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	0	USD
	us-gaap	Payments For Repurchase Of Common Stock PaymentsForRepurchaseOfCommonStock	2186000	USD
	grbk	Contributionsof Llc Members ContributionsofLLCMembers	400000	USD
	grbk	Contributionsof Llc Members ContributionsofLLCMembers	0	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1505000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	527000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	5251000	USD
	us-gaap	Payments To Minority Shareholders PaymentsToMinorityShareholders	10993000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	-38879000	USD
	us-gaap	Net Cash Provided By Used In Financing Activities NetCashProvidedByUsedInFinancingActivities	22554000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	13164000	USD
	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents Period Increase Decrease Excluding Exchange Rate Effect CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect	-523000	USD
CY2019Q4	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	33269000	USD
CY2018Q4	us-gaap	Cash Cash	38315000	USD
CY2019Q4	us-gaap	Restricted Cash RestrictedCash	4416000	USD
CY2018Q4	us-gaap	Restricted Cash RestrictedCash	3440000	USD
CY2019Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	37685000	USD
CY2018Q4	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	41755000	USD
CY2020Q3	us-gaap	Cash And Cash Equivalents At Carrying Value CashAndCashEquivalentsAtCarryingValue	40269000	USD
CY2019Q3	us-gaap	Cash Cash	35123000	USD
CY2020Q3	us-gaap	Restricted Cash RestrictedCash	10580000	USD
CY2019Q3	us-gaap	Restricted Cash RestrictedCash	6109000	USD
CY2020Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	50849000	USD
CY2019Q3	us-gaap	Cash Cash Equivalents Restricted Cash And Restricted Cash Equivalents CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents	41232000	USD
	us-gaap	Interest Paid Net InterestPaidNet	0	USD
	us-gaap	Interest Paid Net InterestPaidNet	0	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	10181000	USD
	us-gaap	Income Taxes Paid Net IncomeTaxesPaidNet	14313000	USD
	us-gaap	Basis Of Accounting BasisOfAccounting	<div style="margin-bottom:6pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Basis of Presentation</span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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 December 31, 2019 was derived from the audited consolidated financial statements included in the Company’s Annual Report on Form 10-K for the year ended December 31, 2019. 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 December 31, 2019. </span></div><div style="text-indent:18pt"><span><br/></span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Operating results for the three and nine months ended September 30, 2020 are not necessarily indicative of the results that may be expected for the fiscal year ending December 31, 2020 or subsequent periods due to seasonal variations and other factors, such as the effects of novel coronavirus (“COVID-19”) and its influence on our future results.</span></div>
	us-gaap	Use Of Estimates UseOfEstimates	<div style="margin-bottom:6pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Use of Estimates</span></div><div style="text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">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	Reclassifications Reclassifications	<div style="margin-bottom:6pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-style:italic;font-weight:400;line-height:120%;text-decoration:underline">Reclassifications</span></div><div style="padding-right:9pt;text-indent:18pt"><span style="color:#000000;font-family:'Times New Roman',sans-serif;font-size:10pt;font-weight:400;line-height:120%">Beginning in the first quarter of 2020, the Company reclassified the allowances for option deposits and pre-acquisition costs related to option contracts from selling, general and administrative expenses to other (loss) income, net in the consolidated statements of income to conform to current year presentation. There was no impact on net income from the reclassification in any period.</span></div>
CY2020Q3	grbk	Finished Homesand Homesunder Construction FinishedHomesandHomesunderConstruction	302070000	USD
CY2019Q4	grbk	Finished Homesand Homesunder Construction FinishedHomesandHomesunderConstruction	314966000	USD
CY2020Q3	us-gaap	Inventory Real Estate Land And Land Development Costs InventoryRealEstateLandAndLandDevelopmentCosts	470791000	USD
CY2019Q4	us-gaap	Inventory Real Estate Land And Land Development Costs InventoryRealEstateLandAndLandDevelopmentCosts	437553000	USD
CY2020Q3	us-gaap	Inventory Land Held For Sale InventoryLandHeldForSale	6499000	USD
CY2019Q4	us-gaap	Inventory Land Held For Sale InventoryLandHeldForSale	1048000	USD
CY2020Q3	us-gaap	Inventory Real Estate InventoryRealEstate	779360000	USD
CY2019Q4	us-gaap	Inventory Real Estate InventoryRealEstate	753567000	USD
CY2020Q2	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	18791000	USD
CY2019Q2	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17199000	USD
CY2019Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	18596000	USD
CY2018Q4	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	14780000	USD
CY2020Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	2010000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	3052000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	7677000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Incurred RealEstateInventoryCapitalizedInterestCostsIncurred	9066000	USD
CY2020Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	2999000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	2324000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	8471000	USD
	us-gaap	Real Estate Inventory Capitalized Interest Costs Cost Of Sales1 RealEstateInventoryCapitalizedInterestCostsCostOfSales1	5919000	USD
CY2020Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17802000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17927000	USD
CY2020Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17802000	USD
CY2019Q3	us-gaap	Real Estate Inventory Capitalized Interest Costs RealEstateInventoryCapitalizedInterestCosts	17927000	USD
CY2020Q3	grbk	Capitalized Interest As A Percentage Of Inventory CapitalizedInterestAsAPercentageOfInventory	0.023
CY2019Q3	grbk	Capitalized Interest As A Percentage Of Inventory CapitalizedInterestAsAPercentageOfInventory	0.025
	grbk	Capitalized Interest As A Percentage Of Inventory CapitalizedInterestAsAPercentageOfInventory	0.023
	grbk	Capitalized Interest As A Percentage Of Inventory CapitalizedInterestAsAPercentageOfInventory	0.025
CY2020Q3	grbk	Inventory With Potential Indicators Of Impairment InventoryWithPotentialIndicatorsOfImpairment	8200000	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0.0	USD
CY2020Q3	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0.0	USD
	us-gaap	Impairment Of Real Estate ImpairmentOfRealEstate	0.1	USD
CY2020Q3	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1011000	USD
CY2019Q4	us-gaap	Deferred Finance Costs Net DeferredFinanceCostsNet	1358000	USD
CY2020Q3	us-gaap	Line Of Credit LineOfCredit	93489000	USD
CY2019Q4	us-gaap	Line Of Credit LineOfCredit	164642000	USD
CY2020Q3	us-gaap	Line Of Credit Facility Remaining Borrowing Capacity LineOfCreditFacilityRemainingBorrowingCapacity	27800000	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
CY2020Q3	us-gaap	Unsecured Debt UnsecuredDebt	37500000	USD
CY2020Q3	us-gaap	Proceeds From Unsecured Notes Payable ProceedsFromUnsecuredNotesPayable	37.4	USD
CY2019Q2	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12485000	USD
CY2018Q2	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12509000	USD
CY2020Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	501000	USD
CY2019Q3	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	863000	USD
CY2020Q3	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	USD
CY2019Q3	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	0	USD
CY2020Q3	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	638000	USD
CY2019Q3	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	1163000	USD
CY2020Q3	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	13624000	USD
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12209000	USD
CY2019Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	13611000	USD
CY2018Q4	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	8531000	USD
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	1743000	USD
	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	2528000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	1505000	USD
	us-gaap	Payments For Repurchase Of Redeemable Noncontrolling Interest PaymentsForRepurchaseOfRedeemableNoncontrollingInterest	527000	USD
	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	225000	USD
	us-gaap	Temporary Equity Accretion To Redemption Value TemporaryEquityAccretionToRedemptionValue	1677000	USD
CY2020Q3	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	13624000	USD
CY2019Q3	us-gaap	Redeemable Noncontrolling Interest Equity Common Carrying Amount RedeemableNoncontrollingInterestEquityCommonCarryingAmount	12209000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	5300000	USD
CY2020Q1	us-gaap	Net Income Loss Attributable To Redeemable Noncontrolling Interest NetIncomeLossAttributableToRedeemableNoncontrollingInterest	1500000	USD
CY2020Q3	us-gaap	Business Combination Contingent Consideration Arrangements Range Of Outcomes Value Low BusinessCombinationContingentConsiderationArrangementsRangeOfOutcomesValueLow	400000	USD
	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Award Vesting Rights Percentage SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage	1
	us-gaap	Shares Paid For Tax Withholding For Share Based Compensation SharesPaidForTaxWithholdingForShareBasedCompensation	75708	shares
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	59000	shares
CY2019Q4	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
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Grants In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsGrantsInPeriod	250000	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	8.63
	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested In Period ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsVestedInPeriod	264000	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	8.10
	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
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Number ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber	45000	shares
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Nonvested Weighted Average Grant Date Fair Value ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedWeightedAverageGrantDateFairValue	12.33
CY2019Q4	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	500000	shares
CY2019Q4	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		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
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber	500000	shares
CY2020Q3	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	P4Y29D
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Outstanding Intrinsic Value ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue	4305000	USD
CY2020Q3	us-gaap	Share Based Compensation Arrangement By Share Based Payment Award Options Exercisable Number ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber	500000	shares
CY2020Q3	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	P4Y29D
CY2020Q3	us-gaap	Sharebased Compensation Arrangement By Sharebased Payment Award Options Exercisable Intrinsic Value1 SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1	4305000	USD
CY2020Q3	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	100000	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2000000.0	USD
	us-gaap	Allocated Share Based Compensation Expense AllocatedShareBasedCompensationExpense	2000000.0	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	400000	USD
	us-gaap	Employee Service Share Based Compensation Tax Benefit From Compensation Expense EmployeeServiceShareBasedCompensationTaxBenefitFromCompensationExpense	500000	USD
CY2020Q3	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized	400000	USD
	us-gaap	Employee Service Share Based Compensation Nonvested Awards Total Compensation Cost Not Yet Recognized Period For Recognition1 EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1	P0Y8M12D
CY2020Q3	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	29339000	USD
CY2019Q4	us-gaap	Contract With Customer Liability ContractWithCustomerLiability	23954000	USD
CY2020Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	7571000	USD
CY2019Q3	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	8642000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	21562000	USD
	us-gaap	Contract With Customer Liability Revenue Recognized ContractWithCustomerLiabilityRevenueRecognized	15998000	USD
	us-gaap	Contract With Customer Performance Obligation Satisfied In Previous Period ContractWithCustomerPerformanceObligationSatisfiedInPreviousPeriod	0	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	22100000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	3669000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	15510000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	61747000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	2919000	USD
CY2020Q3	us-gaap	Revenue Remaining Performance Obligation RevenueRemainingPerformanceObligation	22098000	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.
CY2020Q3	us-gaap	Revenues Revenues	275821000	USD
CY2019Q3	us-gaap	Revenues Revenues	209404000	USD
	us-gaap	Revenues Revenues	721921000	USD
	us-gaap	Revenues Revenues	561538000	USD
CY2020Q3	us-gaap	Gross Profit GrossProfit	67886000	USD
CY2019Q3	us-gaap	Gross Profit GrossProfit	44725000	USD
	us-gaap	Gross Profit GrossProfit	170750000	USD
	us-gaap	Gross Profit GrossProfit	120372000	USD
CY2020Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	45923000	USD
CY2019Q3	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	24972000	USD
	us-gaap	Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest	104864000	USD
CY2019Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	5800000	USD
CY2020Q3	us-gaap	Inventory Operative Builders InventoryOperativeBuilders	779360000	USD
CY2019Q4	us-gaap	Inventory Operative Builders InventoryOperativeBuilders	753567000	USD
CY2020Q3	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	10000000.0	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	17400000	USD
	us-gaap	Income Tax Expense Benefit IncomeTaxExpenseBenefit	15000000.0	USD
CY2020Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.217
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.166
CY2019Q3	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.234
	us-gaap	Effective Income Tax Rate Continuing Operations EffectiveIncomeTaxRateContinuingOperations	0.243
	us-gaap	Income Tax Credits And Adjustments IncomeTaxCreditsAndAdjustments	7400000	USD
CY2020Q3	us-gaap	Net Income Loss NetIncomeLoss	34819000	USD
CY2019Q3	us-gaap	Net Income Loss NetIncomeLoss	15671000	USD
	us-gaap	Net Income Loss NetIncomeLoss	84383000	USD
	us-gaap	Net Income Loss NetIncomeLoss	42736000	USD
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50617000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50475000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50552000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50564000	shares
CY2020Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.69
CY2019Q3	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.31
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	1.67
	us-gaap	Earnings Per Share Basic EarningsPerShareBasic	0.85
CY2020Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50617000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50475000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50552000	shares
	us-gaap	Weighted Average Number Of Shares Outstanding Basic WeightedAverageNumberOfSharesOutstandingBasic	50564000	shares
CY2020Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	259000	shares
CY2019Q3	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	122000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	187000	shares
	us-gaap	Weighted Average Number Diluted Shares Outstanding Adjustment WeightedAverageNumberDilutedSharesOutstandingAdjustment	78000	shares
CY2020Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50876000	shares
CY2019Q3	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50597000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50739000	shares
	us-gaap	Weighted Average Number Of Diluted Shares Outstanding WeightedAverageNumberOfDilutedSharesOutstanding	50642000	shares
CY2020Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.68
CY2019Q3	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.31
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	1.66
	us-gaap	Earnings Per Share Diluted EarningsPerShareDiluted	0.84
CY2020Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
CY2019Q3	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	0	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	4000	shares
	us-gaap	Antidilutive Securities Excluded From Computation Of Earnings Per Share Amount AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount	19000	shares
CY2020Q3	us-gaap	Debt Instrument Fair Value DebtInstrumentFairValue	120100000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	5267000	USD
CY2019Q4	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	5267000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	5267000	USD
	us-gaap	Payment For Contingent Consideration Liability Operating Activities PaymentForContingentConsiderationLiabilityOperatingActivities	5267000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-210000	USD
	us-gaap	Business Combination Contingent Consideration Arrangements Change In Amount Of Contingent Consideration Liability1 BusinessCombinationContingentConsiderationArrangementsChangeInAmountOfContingentConsiderationLiability1	-210000	USD
CY2020Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	210000	USD
CY2020Q3	us-gaap	Business Combination Contingent Consideration Liability BusinessCombinationContingentConsiderationLiability	210000	USD
	us-gaap	Fair Value Measurement With Unobservable Inputs Reconciliation Recurring Basis Liability Transfers Net FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransfersNet	0	USD
CY2020Q3	grbk	Contributionsof Llc Members ContributionsofLLCMembers	0.0	USD
CY2020Q3	us-gaap	Letters Of Credit Outstanding Amount LettersOfCreditOutstandingAmount	7200000	USD
CY2020Q3	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	51000	USD
CY2019Q3	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	169000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	-88000	USD
	us-gaap	Standard Product Warranty Accrual Preexisting Increase Decrease StandardProductWarrantyAccrualPreexistingIncreaseDecrease	72000	USD
CY2020Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	300000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	900000	USD
CY2019Q3	us-gaap	Operating Lease Expense OperatingLeaseExpense	300000	USD
	us-gaap	Operating Lease Expense OperatingLeaseExpense	900000	USD
CY2020Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	300000	USD
CY2019Q3	us-gaap	Operating Lease Payments OperatingLeasePayments	300000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	900000	USD
	us-gaap	Operating Lease Payments OperatingLeasePayments	900000	USD
CY2020Q3	us-gaap	Operating Lease Weighted Average Remaining Lease Term1 OperatingLeaseWeightedAverageRemainingLeaseTerm1	P2Y7M6D
CY2020Q3	us-gaap	Operating Lease Weighted Average Discount Rate Percent OperatingLeaseWeightedAverageDiscountRatePercent	0.053
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Remainder Of Fiscal Year LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear	334000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Next Twelve Months LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths	1092000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Two LesseeOperatingLeaseLiabilityPaymentsDueYearTwo	817000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Three LesseeOperatingLeaseLiabilityPaymentsDueYearThree	1216000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due Year Four LesseeOperatingLeaseLiabilityPaymentsDueYearFour	86000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due After Year Five LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive	153000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Payments Due LesseeOperatingLeaseLiabilityPaymentsDue	3698000	USD
CY2020Q3	us-gaap	Lessee Operating Lease Liability Undiscounted Excess Amount LesseeOperatingLeaseLiabilityUndiscountedExcessAmount	810000	USD
CY2020Q3	us-gaap	Operating Lease Liability OperatingLeaseLiability	2888000	USD
CY2020Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	100000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	300000	USD
CY2019Q3	us-gaap	Short Term Lease Cost ShortTermLeaseCost	100000	USD
	us-gaap	Short Term Lease Cost ShortTermLeaseCost	300000	USD

Files In Submission

Name	View Source	Status
0001373670-20-000062-index-headers.html	Edgar Link	pending
0001373670-20-000062-index.html	Edgar Link	pending
0001373670-20-000062.txt	Edgar Link	pending
0001373670-20-000062-xbrl.zip	Edgar Link	pending
a1041notepurchaseagreeme.htm	Edgar Link	pending
a1041notepurchaseagreeme001.jpg	Edgar Link	pending
a1041notepurchaseagreeme002.jpg	Edgar Link	pending
a1041notepurchaseagreeme003.jpg	Edgar Link	pending
a1041notepurchaseagreeme004.jpg	Edgar Link	pending
a1041notepurchaseagreeme005.jpg	Edgar Link	pending
a1041notepurchaseagreeme006.jpg	Edgar Link	pending
a1041notepurchaseagreeme007.jpg	Edgar Link	pending
a1041notepurchaseagreeme008.jpg	Edgar Link	pending
a1041notepurchaseagreeme009.jpg	Edgar Link	pending
a1041notepurchaseagreeme010.jpg	Edgar Link	pending
a1041notepurchaseagreeme011.jpg	Edgar Link	pending
a1041notepurchaseagreeme012.jpg	Edgar Link	pending
a1041notepurchaseagreeme013.jpg	Edgar Link	pending
a1041notepurchaseagreeme014.jpg	Edgar Link	pending
a1041notepurchaseagreeme015.jpg	Edgar Link	pending
a1041notepurchaseagreeme016.jpg	Edgar Link	pending
a1041notepurchaseagreeme017.jpg	Edgar Link	pending
a1041notepurchaseagreeme018.jpg	Edgar Link	pending
a1041notepurchaseagreeme019.jpg	Edgar Link	pending
a1041notepurchaseagreeme020.jpg	Edgar Link	pending
a1041notepurchaseagreeme021.jpg	Edgar Link	pending
a1041notepurchaseagreeme022.jpg	Edgar Link	pending
a1041notepurchaseagreeme023.jpg	Edgar Link	pending
a1041notepurchaseagreeme024.jpg	Edgar Link	pending
a1041notepurchaseagreeme025.jpg	Edgar Link	pending
a1041notepurchaseagreeme026.jpg	Edgar Link	pending
a1041notepurchaseagreeme027.jpg	Edgar Link	pending
a1041notepurchaseagreeme028.jpg	Edgar Link	pending
a1041notepurchaseagreeme029.jpg	Edgar Link	pending
a1041notepurchaseagreeme030.jpg	Edgar Link	pending
a1041notepurchaseagreeme031.jpg	Edgar Link	pending
a1041notepurchaseagreeme032.jpg	Edgar Link	pending
a1041notepurchaseagreeme033.jpg	Edgar Link	pending
a1041notepurchaseagreeme034.jpg	Edgar Link	pending
a1041notepurchaseagreeme035.jpg	Edgar Link	pending
a1041notepurchaseagreeme036.jpg	Edgar Link	pending
a1041notepurchaseagreeme037.jpg	Edgar Link	pending
a1041notepurchaseagreeme038.jpg	Edgar Link	pending
a1041notepurchaseagreeme039.jpg	Edgar Link	pending
a1041notepurchaseagreeme040.jpg	Edgar Link	pending
a1041notepurchaseagreeme041.jpg	Edgar Link	pending
a1041notepurchaseagreeme042.jpg	Edgar Link	pending
a1041notepurchaseagreeme043.jpg	Edgar Link	pending
a1041notepurchaseagreeme044.jpg	Edgar Link	pending
a1041notepurchaseagreeme045.jpg	Edgar Link	pending
a1041notepurchaseagreeme046.jpg	Edgar Link	pending
a1041notepurchaseagreeme047.jpg	Edgar Link	pending
a1041notepurchaseagreeme048.jpg	Edgar Link	pending
a1041notepurchaseagreeme049.jpg	Edgar Link	pending
a1041notepurchaseagreeme050.jpg	Edgar Link	pending
a1041notepurchaseagreeme051.jpg	Edgar Link	pending
a1041notepurchaseagreeme052.jpg	Edgar Link	pending
a1041notepurchaseagreeme053.jpg	Edgar Link	pending
a1041notepurchaseagreeme054.jpg	Edgar Link	pending
a1041notepurchaseagreeme055.jpg	Edgar Link	pending
a1041notepurchaseagreeme056.jpg	Edgar Link	pending
a1041notepurchaseagreeme057.jpg	Edgar Link	pending
a1041notepurchaseagreeme058.jpg	Edgar Link	pending
a1041notepurchaseagreeme059.jpg	Edgar Link	pending
a1041notepurchaseagreeme060.jpg	Edgar Link	pending
a1041notepurchaseagreeme061.jpg	Edgar Link	pending
a1041notepurchaseagreeme062.jpg	Edgar Link	pending
a1041notepurchaseagreeme063.jpg	Edgar Link	pending
a1041notepurchaseagreeme064.jpg	Edgar Link	pending
a1041notepurchaseagreeme065.jpg	Edgar Link	pending
a1041notepurchaseagreeme066.jpg	Edgar Link	pending
a1041notepurchaseagreeme067.jpg	Edgar Link	pending
a1041notepurchaseagreeme068.jpg	Edgar Link	pending
a1041notepurchaseagreeme069.jpg	Edgar Link	pending
a1041notepurchaseagreeme070.jpg	Edgar Link	pending
a1041notepurchaseagreeme071.jpg	Edgar Link	pending
a1041notepurchaseagreeme072.jpg	Edgar Link	pending
a1041notepurchaseagreeme073.jpg	Edgar Link	pending
a1041notepurchaseagreeme074.jpg	Edgar Link	pending
a1041notepurchaseagreeme075.jpg	Edgar Link	pending
a1041notepurchaseagreeme076.jpg	Edgar Link	pending
a1041notepurchaseagreeme077.jpg	Edgar Link	pending
a1041notepurchaseagreeme078.jpg	Edgar Link	pending
a1041notepurchaseagreeme079.jpg	Edgar Link	pending
a1041notepurchaseagreeme080.jpg	Edgar Link	pending
a1041notepurchaseagreeme081.jpg	Edgar Link	pending
a1041notepurchaseagreeme082.jpg	Edgar Link	pending
a1041notepurchaseagreeme083.jpg	Edgar Link	pending
a1041notepurchaseagreeme084.jpg	Edgar Link	pending
a1041notepurchaseagreeme085.jpg	Edgar Link	pending
a1041notepurchaseagreeme086.jpg	Edgar Link	pending
a1041notepurchaseagreeme087.jpg	Edgar Link	pending
a1041notepurchaseagreeme088.jpg	Edgar Link	pending
a1041notepurchaseagreeme089.jpg	Edgar Link	pending
a1041notepurchaseagreeme090.jpg	Edgar Link	pending
a1041notepurchaseagreeme091.jpg	Edgar Link	pending
a1041notepurchaseagreeme092.jpg	Edgar Link	pending
a1041notepurchaseagreeme093.jpg	Edgar Link	pending
a1041notepurchaseagreeme094.jpg	Edgar Link	pending
a1041notepurchaseagreeme095.jpg	Edgar Link	pending
a1041notepurchaseagreeme096.jpg	Edgar Link	pending
a1041notepurchaseagreeme097.jpg	Edgar Link	pending
a1041notepurchaseagreeme098.jpg	Edgar Link	pending
a1041notepurchaseagreeme099.jpg	Edgar Link	pending
a1041notepurchaseagreeme100.jpg	Edgar Link	pending
a1041notepurchaseagreeme101.jpg	Edgar Link	pending
a1041notepurchaseagreeme102.jpg	Edgar Link	pending
a1041notepurchaseagreeme103.jpg	Edgar Link	pending
a1041notepurchaseagreeme104.jpg	Edgar Link	pending
a1041notepurchaseagreeme105.jpg	Edgar Link	pending
a1041notepurchaseagreeme106.jpg	Edgar Link	pending
a1041notepurchaseagreeme107.jpg	Edgar Link	pending
a1041notepurchaseagreeme108.jpg	Edgar Link	pending
a1041notepurchaseagreeme109.jpg	Edgar Link	pending
a1041notepurchaseagreeme110.jpg	Edgar Link	pending
a1042subsidiaryguarantya.htm	Edgar Link	pending
a1042subsidiaryguarantya001.jpg	Edgar Link	pending
a1042subsidiaryguarantya002.jpg	Edgar Link	pending
a1042subsidiaryguarantya003.jpg	Edgar Link	pending
a1042subsidiaryguarantya004.jpg	Edgar Link	pending
a1042subsidiaryguarantya005.jpg	Edgar Link	pending
a1042subsidiaryguarantya006.jpg	Edgar Link	pending
a1042subsidiaryguarantya007.jpg	Edgar Link	pending
a1042subsidiaryguarantya008.jpg	Edgar Link	pending
a1042subsidiaryguarantya009.jpg	Edgar Link	pending
a1042subsidiaryguarantya010.jpg	Edgar Link	pending
a1042subsidiaryguarantya011.jpg	Edgar Link	pending
a1042subsidiaryguarantya012.jpg	Edgar Link	pending
a1042subsidiaryguarantya013.jpg	Edgar Link	pending
a1042subsidiaryguarantya014.jpg	Edgar Link	pending
a1042subsidiaryguarantya015.jpg	Edgar Link	pending
a1042subsidiaryguarantya016.jpg	Edgar Link	pending
a1042subsidiaryguarantya017.jpg	Edgar Link	pending
a1042subsidiaryguarantya018.jpg	Edgar Link	pending
a1042subsidiaryguarantya019.jpg	Edgar Link	pending
a1042subsidiaryguarantya020.jpg	Edgar Link	pending
a1042subsidiaryguarantya021.jpg	Edgar Link	pending
a1042subsidiaryguarantya022.jpg	Edgar Link	pending
a1042subsidiaryguarantya023.jpg	Edgar Link	pending
a108adolsonemploymentcon.htm	Edgar Link	pending
a108adolsonemploymentcon001.jpg	Edgar Link	pending
a108adolsonemploymentcon002.jpg	Edgar Link	pending
a108adolsonemploymentcon003.jpg	Edgar Link	pending
a108adolsonemploymentcon004.jpg	Edgar Link	pending
a108adolsonemploymentcon005.jpg	Edgar Link	pending
a108adolsonemploymentcon006.jpg	Edgar Link	pending
a108adolsonemploymentcon007.jpg	Edgar Link	pending
a108adolsonemploymentcon008.jpg	Edgar Link	pending
a108adolsonemploymentcon009.jpg	Edgar Link	pending
a108adolsonemploymentcon010.jpg	Edgar Link	pending
a108adolsonemploymentcon011.jpg	Edgar Link	pending
a108adolsonemploymentcon012.jpg	Edgar Link	pending
a108adolsonemploymentcon013.jpg	Edgar Link	pending
a108adolsonemploymentcon014.jpg	Edgar Link	pending
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-20200930.htm	Edgar Link	pending
grbk-20200930.xsd	Edgar Link	pending
grbk-20200930_cal.xml	Edgar Link	unprocessable
grbk-20200930_def.xml	Edgar Link	unprocessable
grbk-20200930_htm.xml	Edgar Link	completed
grbk-20200930_lab.xml	Edgar Link	unprocessable
grbk-20200930_pre.xml	Edgar Link	unprocessable
MetaLinks.json	Edgar Link	pending
R1.htm	Edgar Link	pending
R10.htm	Edgar Link	pending
R11.htm	Edgar Link	pending
R12.htm	Edgar Link	pending
R13.htm	Edgar Link	pending
R14.htm	Edgar Link	pending
R15.htm	Edgar Link	pending
R16.htm	Edgar Link	pending
R17.htm	Edgar Link	pending
R18.htm	Edgar Link	pending
R19.htm	Edgar Link	pending
R2.htm	Edgar Link	pending
R20.htm	Edgar Link	pending
R21.htm	Edgar Link	pending
R22.htm	Edgar Link	pending
R23.htm	Edgar Link	pending
R24.htm	Edgar Link	pending
R25.htm	Edgar Link	pending
R26.htm	Edgar Link	pending
R27.htm	Edgar Link	pending
R28.htm	Edgar Link	pending
R29.htm	Edgar Link	pending
R3.htm	Edgar Link	pending
R30.htm	Edgar Link	pending
R31.htm	Edgar Link	pending
R32.htm	Edgar Link	pending
R33.htm	Edgar Link	pending
R34.htm	Edgar Link	pending
R35.htm	Edgar Link	pending
R36.htm	Edgar Link	pending
R37.htm	Edgar Link	pending
R38.htm	Edgar Link	pending
R39.htm	Edgar Link	pending
R4.htm	Edgar Link	pending
R40.htm	Edgar Link	pending
R41.htm	Edgar Link	pending
R42.htm	Edgar Link	pending
R43.htm	Edgar Link	pending
R44.htm	Edgar Link	pending
R45.htm	Edgar Link	pending
R46.htm	Edgar Link	pending
R47.htm	Edgar Link	pending
R48.htm	Edgar Link	pending
R49.htm	Edgar Link	pending
R5.htm	Edgar Link	pending
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

Create your account

Find Stocks Worth Researching

Deeply Understand Businesses

Value Businesses Intelligently

$GRBK
Green Brick Partners, Inc. Stock $grbk

2020 Q3 Form 10-Q Financial Statement

#000137367020000062 Filed on October 29, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GRBK Green Brick Partners, Inc. Stock $grbk

2020 Q3 Form 10-Q Financial Statement

#000137367020000062 Filed on October 29, 2020

Income Statement

Balance Sheet

Cashflow Statement

Facts In Submission

Files In Submission

$GRBK
Green Brick Partners, Inc. Stock $grbk