Shareholders' Equity	3 Months Ended
Mar. 31, 2018
Equity [Abstract]
Shareholders' Equity	NOTE 5 - SHAREHOLDERS’ EQUITY Common Stock On March 15, 2018, the Company paid total cash dividends of $6,492,774 or $0.18 per share to common shareholders of record as of the close of business on February 15, 2018, of which $694,400 was reinvested in the Dividend Reinvestment and Stock Purchase Plan (“DRIP”). On April 2, 2018, the Company declared a dividend of $0.18 per share to be paid June 15, 2018 to common shareholders of record as of the close of business on May 15, 2018. During the three months ended March 31, 2018, the Company received, including dividends reinvested of $694,400, a total of $10,051,499 from its DRIP. There were 809,076 new shares issued under the DRIP during this period. 8.0% Series B Cumulative Redeemable Preferred Stock On March 15, 2018, the Company paid $1,900,600 in dividends or $0.50 per share for the period from December 1, 2017 through February 28, 2018 to holders of record as of the close of business on February 15, 2018 of our 8.0% Series B Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series B Preferred”). Dividends on our Series B Preferred shares are cumulative and payable quarterly at an annual rate of $2.00 per share. On April 2, 2018, the Company declared a dividend of $0.50 per share for the period from March 1, 2018 through May 31, 2018 to be paid on June 15, 2018 to Series B Preferred shareholders of record as of the close of business on May 15, 2018. 6.75% Series C Cumulative Redeemable Preferred Stock On March 15, 2018, the Company paid $2,425,781 in dividends or $0.421875 per share for the period from December 1, 2017 through February 28, 2018 to holders of record as of the close of business on February 15, 2018 of our 6.75% Series C Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series C Preferred”). Dividends on our Series C Preferred shares are cumulative and payable quarterly at an annual rate of $1.6875 per share. On April 2, 2018, the Company declared a dividend of $0.421875 per share for the period from March 1, 2018 through May 31, 2018 to be paid on June 15, 2018 to Series C Preferred shareholders of record as of the close of business on May 15, 2018. 6.375% Series D Cumulative Redeemable Preferred Stock On January 22, 2018, the Company issued 2,000,000 shares of its new 6.375% Series D Cumulative Redeemable Preferred Stock (“Series D Preferred Stock”) at an offering price of $25.00 per share in an underwritten registered public offering. The Company received net proceeds from the sale of these 2,000,000 shares, after deducting the underwriting discount and other estimated offering expenses, of approximately $48.2 million and plans to use the net proceeds of the offering for general corporate purposes, which may include the purchase of manufactured homes for sale or lease to customers, expansion of its existing communities, potential acquisitions of additional properties and possible repayment of indebtedness on a short-term basis. Dividends on the Series D Preferred shares are cumulative from January 22, 2018 at an annual rate of $1.59375 per share and will be payable quarterly in arrears on March 15, June 15, September 15, and December 15. The first quarterly dividend on the Series D Preferred was payable March 15, 2018 and amounted to $354,166 or $0.17708333 per share for the dividend period from January 22, 2018 to February 28, 2018. The Series D Preferred, par value $0.10 per share, has no maturity and will remain outstanding indefinitely unless redeemed or otherwise repurchased. Except in limited circumstances relating to the Company’s qualification as a REIT, and as described below, the Series D Preferred is not redeemable prior to January 22, 2023. On and after January 22, 2023, the Series D Preferred will be redeemable at the Company’s option for cash, in whole or, from time to time, in part, at a price per share equal to $25.00, plus all accrued and unpaid dividends (whether or not declared) to the date of redemption. The Series D Preferred shares rank on a parity with the Company’s Series B Preferred shares and the Company’s Series C Preferred shares with respect to dividend rights and rights upon liquidation, dissolution or winding up. Upon the occurrence of a Delisting Event or Change of Control, each as defined in the Prospectus pursuant to which the shares of Series D Preferred were offered, each holder of the Series D Preferred will have the right to convert all or part of the shares of the Series D Preferred held into common stock of the Company, unless the Company elects to redeem the Series D Preferred. Holders of the Series D Preferred Stock generally have no voting rights, except if the Company fails to pay dividends for nine or more quarterly periods, whether or not consecutive, or with respect to certain specified events. In conjunction with the issuance of the Company’s Series D Preferred Stock, the Company filed with the Maryland SDAT Articles Supplementary setting forth the rights, preferences and terms of the Series D Preferred Stock and reclassifying 2,300,000 shares of Common Stock as shares of Series D Preferred Stock. After the reclassification, the Company’s authorized stock consists of 111,363,800 shares of Common Stock, 4,000,000 shares of Series B Preferred Stock, 5,750,000 shares of Series C Preferred Stock, 2,300,000 shares of Series D Preferred Stock and 3,000,000 shares of excess stock. On April 2, 2018, the Company declared a dividend of $0.3984375 per share for the period from March 1, 2018 through May 31, 2018 to be paid on June 15, 2018 to Series D Preferred shareholders of record as of the close of business on May 15, 2018.

Shareholders' Equity

3 Months Ended

Mar. 31, 2018

NOTE 5 - SHAREHOLDERS’ EQUITY

Common Stock

On March 15, 2018, the Company paid total cash dividends of $6,492,774 or $0.18 per share to common shareholders of record as of the close of business on February 15, 2018, of which $694,400 was reinvested in the Dividend Reinvestment and Stock Purchase Plan (“DRIP”). On April 2, 2018, the Company declared a dividend of $0.18 per share to be paid June 15, 2018 to common shareholders of record as of the close of business on May 15, 2018.

During the three months ended March 31, 2018, the Company received, including dividends reinvested of $694,400, a total of $10,051,499 from its DRIP. There were 809,076 new shares issued under the DRIP during this period.

8.0% Series B Cumulative Redeemable Preferred Stock

On March 15, 2018, the Company paid $1,900,600 in dividends or $0.50 per share for the period from December 1, 2017 through February 28, 2018 to holders of record as of the close of business on February 15, 2018 of our 8.0% Series B Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series B Preferred”). Dividends on our Series B Preferred shares are cumulative and payable quarterly at an annual rate of $2.00 per share.

On April 2, 2018, the Company declared a dividend of $0.50 per share for the period from March 1, 2018 through May 31, 2018 to be paid on June 15, 2018 to Series B Preferred shareholders of record as of the close of business on May 15, 2018.

6.75% Series C Cumulative Redeemable Preferred Stock

On March 15, 2018, the Company paid $2,425,781 in dividends or $0.421875 per share for the period from December 1, 2017 through February 28, 2018 to holders of record as of the close of business on February 15, 2018 of our 6.75% Series C Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series C Preferred”). Dividends on our Series C Preferred shares are cumulative and payable quarterly at an annual rate of $1.6875 per share.

On April 2, 2018, the Company declared a dividend of $0.421875 per share for the period from March 1, 2018 through May 31, 2018 to be paid on June 15, 2018 to Series C Preferred shareholders of record as of the close of business on May 15, 2018.

6.375% Series D Cumulative Redeemable Preferred Stock

On January 22, 2018, the Company issued 2,000,000 shares of its new 6.375% Series D Cumulative Redeemable Preferred Stock (“Series D Preferred Stock”) at an offering price of $25.00 per share in an underwritten registered public offering. The Company received net proceeds from the sale of these 2,000,000 shares, after deducting the underwriting discount and other estimated offering expenses, of approximately $48.2 million and plans to use the net proceeds of the offering for general corporate purposes, which may include the purchase of manufactured homes for sale or lease to customers, expansion of its existing communities, potential acquisitions of additional properties and possible repayment of indebtedness on a short-term basis.

Dividends on the Series D Preferred shares are cumulative from January 22, 2018 at an annual rate of $1.59375 per share and will be payable quarterly in arrears on March 15, June 15, September 15, and December 15. The first quarterly dividend on the Series D Preferred was payable March 15, 2018 and amounted to $354,166 or $0.17708333 per share for the dividend period from January 22, 2018 to February 28, 2018.

The Series D Preferred, par value $0.10 per share, has no maturity and will remain outstanding indefinitely unless redeemed or otherwise repurchased. Except in limited circumstances relating to the Company’s qualification as a REIT, and as described below, the Series D Preferred is not redeemable prior to January 22, 2023. On and after January 22, 2023, the Series D Preferred will be redeemable at the Company’s option for cash, in whole or, from time to time, in part, at a price per share equal to $25.00, plus all accrued and unpaid dividends (whether or not declared) to the date of redemption. The Series D Preferred shares rank on a parity with the Company’s Series B Preferred shares and the Company’s Series C Preferred shares with respect to dividend rights and rights upon liquidation, dissolution or winding up.

Upon the occurrence of a Delisting Event or Change of Control, each as defined in the Prospectus pursuant to which the shares of Series D Preferred were offered, each holder of the Series D Preferred will have the right to convert all or part of the shares of the Series D Preferred held into common stock of the Company, unless the Company elects to redeem the Series D Preferred.

Holders of the Series D Preferred Stock generally have no voting rights, except if the Company fails to pay dividends for nine or more quarterly periods, whether or not consecutive, or with respect to certain specified events.

In conjunction with the issuance of the Company’s Series D Preferred Stock, the Company filed with the Maryland SDAT Articles Supplementary setting forth the rights, preferences and terms of the Series D Preferred Stock and reclassifying 2,300,000 shares of Common Stock as shares of Series D Preferred Stock. After the reclassification, the Company’s authorized stock consists of 111,363,800 shares of Common Stock, 4,000,000 shares of Series B Preferred Stock, 5,750,000 shares of Series C Preferred Stock, 2,300,000 shares of Series D Preferred Stock and 3,000,000 shares of excess stock.

On April 2, 2018, the Company declared a dividend of $0.3984375 per share for the period from March 1, 2018 through May 31, 2018 to be paid on June 15, 2018 to Series D Preferred shareholders of record as of the close of business on May 15, 2018.