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Income Taxes (Details Textual) (USD $)
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12 Months Ended | |
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Dec. 31, 2014
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Dec. 31, 2013
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| Income Taxes (Textual) [Abstract] | ||
| Statutory federal income tax rate | 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate | |
| Effective Tax Rate | 31.80%us-gaap_EffectiveIncomeTaxRateContinuingOperations | 29.90%us-gaap_EffectiveIncomeTaxRateContinuingOperations |
| Deferred Tax Assets, Net | $ 64,137,000us-gaap_DeferredTaxAssetsLiabilitiesNet | $ 70,404,000us-gaap_DeferredTaxAssetsLiabilitiesNet |
| Deferred Tax Liability, Net | 3,559,000mth_OtherDeferredTaxLiabilityStateFranchiseTaxes | 2,750,000mth_OtherDeferredTaxLiabilityStateFranchiseTaxes |
| Unrecognized Tax Benefits, Reduction Resulting from Lapse of Applicable Statute of Limitations | 0us-gaap_UnrecognizedTaxBenefits | |
| NOL carryforwards, State | 4,603,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards | 11,471,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards |
| Income taxes payable | 5,900,000us-gaap_AccruedIncomeTaxes | |
| Income Tax Examination, Description | We have one state income tax examination pending resolution at this time. | |
| State [Member] | ||
| Income Taxes (Textual) [Abstract] | ||
| NOL carryforwards, State |
4,600,000us-gaap_DeferredTaxAssetsOperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |
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| Minimum [Member] | State [Member] | ||
| Income Taxes (Textual) [Abstract] | ||
| Period range when NOL carryforwards can be used | 5 years | |
| Maximum [Member] | State [Member] | ||
| Income Taxes (Textual) [Abstract] | ||
| Period range when NOL carryforwards can be used | 20 years | |
| Earliest Tax Year [Member] | ||
| Income Taxes (Textual) [Abstract] | ||
| Open Tax Year | 2010 | |
| Internal Revenue Service (IRS) [Member] | ||
| Income Taxes (Textual) [Abstract] | ||
| Period range when NOL carryforwards can be used | 20 years | |
| Tax Credit Carryforward, Amount |
$ 0.0us-gaap_TaxCreditCarryforwardAmount / us-gaap_IncomeTaxAuthorityNameAxis = us-gaap_InternalRevenueServiceIRSMember |
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- Details
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- Definition
Other deferred tax liability not included in deferred tax assets, net No definition available.
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- Definition
Period when net operating loss carryforwards may be used to offset future taxable income. No definition available.
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- Definition
Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all domestic and foreign income tax obligations due. This amount is the total of current and noncurrent accrued income taxes. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Percentage of domestic federal statutory tax rate applicable to pretax income (loss). Reference 1: http://www.xbrl.org/2003/role/presentationRef
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A brief description of status of the tax examination, significant findings to date, and the entity's position with respect to the findings. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Tax year that remains open to examination under enacted tax laws, in CCYY format. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition
Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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