XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.5.0.2

STOCK BASED AND DEFERRED COMPENSATION (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract] |
Summary of Compensation Expense and Stock Award Activity | Below is a summary of compensation expense and stock award activity (dollars in thousands):
| Three Months Ended September 30, |  | Nine Months Ended September 30,
| 2016 |  | 2015 |  | 2016 |  | 2015
Stock-based compensation expense | $ | 3,729 |  |  | $ | 3,953 |  |  | $ | 11,042 |  |  | $ | 12,418 |
Non-vested shares granted | 3,500 |  |  | 20,600 |  |  | 497,365 |  |  | 424,387 |
Performance-based non-vested shares granted | — |  |  | — |  |  | 66,698 |  |  | 66,187 |
Stock options exercised | — |  |  | 3,000 |  |  | 14,400 |  |  | 146,640 |
Restricted stock awards vested (includes performance-based awards) | 6,940 |  |  | 1,800 |  |  | 341,490 |  |  | 372,004 |
Summary of Additional Information Regarding Stock Plan | The following table includes additional information regarding our Plan (dollars in thousands):
|  | As of
|  | September 30, 2016 |  | December 31, 2015
Unrecognized stock-based compensation cost |  | $ | 21,678 |  |  | $ | 18,545 |
Weighted average years expense recognition period |  | 2.82 |  |  | 2.34 |
Total stock-based awards outstanding (1) |  | 1,169,625 |  |  | 1,078,877 |
(1) | Includes options outstanding and unvested restricted stock and performance-based awards (at target level) and restricted stock units.

X
- Definition Schedule of Stock-based Compensation Expense and Cash Proceeds Received from Share-based Payment Awards [Table Text Block] + References No definition available. + Details
Name: | mth_ScheduleOfStockBasedCompensationExpenseAndCashProceedsReceivedFromShareBasedPaymentAwardsTableTextBlock
Namespace Prefix: | mth_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DisclosureOfCompensationRelatedCostsSharebasedPaymentsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Tabular disclosure of the total compensation cost related to nonvested awards not yet recognized and the weighted-average period over which it is expected to be recognized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ScheduleOfUnrecognizedCompensationCostNonvestedAwardsTableTextBlock
Namespace Prefix: | us-gaap_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration