Available-for-sale Securities, Gross Unrealized Gain (Loss) Accumulated in AOCI.

No definition available.

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- Definition

Available-for-sale Securities, Gross Unrealized Loss Accumulated in AOCI.

+ References

No definition available.

+ Details

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- Definition

Carrying Value Of Impaired Inventory

+ References

No definition available.

+ Details

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- Definition

Number of days from date of origination to date of sale of loan.

+ References

No definition available.

+ Details

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- Definition

Amount classified as mortgage loans attributable to disposal group held for sale or disposed of. Excludes loans and leases covered under loss sharing agreements and loans classified as debt securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 310

-SubTopic 10

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=28367877&loc=d3e4428-111522

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 942

-SubTopic 210

-Section S99

-Paragraph 1

-Subparagraph (SX 210.9-03.7(a)(3))

-URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 948

-SubTopic 310

-Section 45

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6490309&loc=d3e48678-111004

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Permanent Investor

-URI http://asc.fasb.org/extlink&oid=6520390

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- Definition

The amount of other than temporary impairment (OTTI) losses on equity securities, OTTI related to credit losses on debt securities, and OTTI losses on debt securities when the entity intends to sell the securities or it is more likely than not that the entity will be required to sell the securities before recovery of its amortized cost basis. Additionally, this item includes OTTI losses recognized during the period on investments accounted for under the cost method of accounting.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 8B

-URI http://asc.fasb.org/extlink&oid=27724398&loc=SL6284393-111563

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Note 6 - Fair Value Measurements (Details) (USD $)	12 Months Ended	3 Months Ended
Note 6 - Fair Value Measurements (Details) (USD $)	Dec. 31, 2014	Sep. 30, 2014	Dec. 31, 2013
Note 6 - Fair Value Measurements (Details) [Line Items]
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	$ 4,293,000
Available-for-sale Securities, Gross Unrealized Gain (Loss) Accumulated in AOCI	4,500,000		12,600,000
Available-for-sale Securities, Gross Unrealized Loss Accumulated in AOCI	3,100,000		1,100,000
Disposal Group, Including Discontinued Operation, Mortgage Loans	13,600,000us-gaap_LoansHeldForSaleMortgages		25,900,000us-gaap_LoansHeldForSaleMortgages
Carrying Value of Impaired Inventory	6,709,000mdc_CarryingValueOfImpairedInventory		4,187,000mdc_CarryingValueOfImpairedInventory
Under Commitment To Sell [Member] \| Fair Value, Inputs, Level 2 [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Disposal Group, Including Discontinued Operation, Mortgage Loans	72,300,000		65,100,000
Not Under Commitment To Sell [Member] \| Fair Value, Inputs, Level 2 [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Disposal Group, Including Discontinued Operation, Mortgage Loans	13,600,000		25,900,000
Homebuilding [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net	4,293,000	4,300,000
Fair Value, Inputs, Level 2 [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Disposal Group, Including Discontinued Operation, Mortgage Loans	88,392,000		92,578,000
Minimum [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Short Term Borrowings Maturity Period	30 days
Inventories [Member]
Note 6 - Fair Value Measurements (Details) [Line Items]
Carrying Value of Impaired Inventory	$ 10,700,000		$ 5,800,000