Securities Available for Sale (Details Textual) (USD $)	3 Months Ended
Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Securities Available for Sale (Textual)
Available for sale securities	$ 67,917,983us-gaap_AvailableForSaleSecurities		$ 63,555,961us-gaap_AvailableForSaleSecurities
Limitation of investment description	The Company generally limits its investment in marketable securities to no more than approximately 15% of its undepreciated assets.
Securities sold	630,000
Gain on sale of securities available for sale	58,200	508,403
Purchases of securities available for sale	4,566,259	1,153,766
Common stock purchased from Monmouth Real Estate Investment Corporation	26,220
Common stock purchased from Monmouth Real Estate Investment Corporation, value	274,265
Company owns total number of shares in MREIC	2,022,029
Total net unrealized gains in REIT securities portfolio	5,505,683
Weighted average cost per shares	$ 10.46umh_WeightedAverageCostPerShares
Cost of common stock owned by the Company for MREIC shares	16,918,773
Fair Value of common stock owned by the Company for MREIC shares	$ 22,464,742

Common stock shares owned by parent company.

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Common stock shares purchased from related party.

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Common stock value owned by parent company.

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Common stock value purchased from related party.

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Fair value of common stock value owned by parent company.

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Weighted average cost per shares.

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Amount of investment in debt and equity securities categorized neither as held-to-maturity nor trading.

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The change in unrealized holding gain (loss), net of tax, on available-for-sale securities included in a separate component of shareholders' equity during the period.

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This item represents the difference between the gross realized gains and losses realized on the sale of debt or equity securities categorized neither as held-to-maturity nor trading securities. Additionally, this item would include any losses recognized for other than temporary impairments (OTTI) of the subject investments in debt and equity securities.

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The total amount of proceeds received for the sale of securities, categorized neither as held-to-maturity nor trading securities, during the reporting period.

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Contains all pertinent information about an entity's hedges of the foreign currency exposure of net investments in foreign operations.

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The cash outflow to acquire debt and equity securities not classified as either held-to-maturity securities or trading securities which would be classified as available-for-sale securities and reported at fair value, with unrealized gains and losses excluded from earnings and reported in a separate component of shareholders' equity.

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