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Debt MIF Warehousing Agreement (Details) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2015 USD ($) | Dec. 31, 2014 USD ($)
Line of Credit Facility [Line Items] |  |
Maximum Borrowing Availability under all Credit Lines | $ 150,000 | $ 125,000
Notes payable bank - financial services operations | 123,648 | $ 85,379
Warehousing Agreement - Fourth Amendment to Amended and Restated [Member] |  |
Line of Credit Facility [Line Items] |  |
M/I Financial Maximum Borrowing Capacity | 110,000 |
Optional increase in borrowing availability | 20,000 |
M/I Financial Temporary Increase Maximum Borrowing Capacity | 130,000 |
Aggreate Maximum Principal Amount Permitted to be Outstanding Under All Warehousing Credit Lines | $ 150,000 |
LIBOR basis points | 250 |
Debt Instrument, Basis Spread on Variable Rate | 2.75% |
Amendment No. 1 to Amended and Restated Repurchase Agreement [Member] |  |
Line of Credit Facility [Line Items] |  |
M/I Financial Maximum Borrowing Capacity | $ 15,000 |
M/I Financial Temporary Increase Maximum Borrowing Capacity | $ 20,000 |
Minimum [Member] | Amendment No. 1 to Amended and Restated Repurchase Agreement [Member] |  |
Line of Credit Facility [Line Items] |  |
LIBOR basis points | 250 |
Maximum [Member] | Amendment No. 1 to Amended and Restated Repurchase Agreement [Member] |  |
Line of Credit Facility [Line Items] |  |
LIBOR basis points | 275 |

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- Definition Carrying value as of the balance sheet date of the outstanding short-term borrowings under a revolving line of credit used by mortgage bankers to finance the origination or purchase of loans. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 13 -Article 9 + Details
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