Shareholders' Equity	3 Months Ended
Mar. 31, 2020
Equity [Abstract]
Shareholders' Equity	NOTE 5 - SHAREHOLDERS’ EQUITY Common Stock On March 16, 2020, the Company paid total cash dividends of $7.4 million or $0.18 per share to common shareholders of record as of the close of business on February 18, 2020, of which $904,000 was reinvested in the Dividend Reinvestment and Stock Purchase Plan (“DRIP”). On April 2, 2020, the Company declared a dividend of $0.18 per share to be paid June 15, 2020 to common shareholders of record as of the close of business on May 15, 2020. During the three months ended March 31, 2020, the Company received, including dividends reinvested of $904,000, a total of $1.6 million from its DRIP. There were 133,000 new shares issued under the DRIP during this period. On January 15, 2020, the Board of Directors reaffirmed our Common Stock Repurchase Program (the “Repurchase Program”) that authorizes us to repurchase up to $25 million in the aggregate of the Company’s common stock. Purchases under the Repurchase Program may be made using a variety of methods, which may include open market purchases, privately negotiated transactions or block trades, or by any combination of such methods, in accordance with applicable insider trading and other securities laws and regulations. The size, scope and timing of any purchases will be based on business, market and other conditions and factors, including price, regulatory and contractual requirements or consents, and capital availability. The Repurchase Program does not require the Company to acquire any particular amount of common stock and may be suspended, modified or discontinued at any time at the Company’s discretion without prior notice. During March 2020, the Company repurchased 152,000 shares of common stock at an aggregate cost of $1.6 million, or a weighted average price of $10.57 per share. Subsequent to quarter end, we repurchased an additional 20,000 shares of common stock for $199,000 at an average price of $9.96 per share. 8.0% Series B Cumulative Redeemable Preferred Stock On March 16, 2020, the Company paid $1.9 million in dividends or $0.50 per share for the period from December 1, 2019 through February 29, 2020 to holders of record as of the close of business on February 18, 2020 of our 8.0% Series B Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series B Preferred Stock”). Dividends on our Series B Preferred Stock are cumulative and payable quarterly at an annual rate of $2.00 per share. On April 2, 2020, the Company declared a dividend of $0.50 per share for the period from March 1, 2020 through May 31, 2020 to be paid on June 15, 2020 to Series B Preferred Stock shareholders of record as of the close of business on May 15, 2020. On March 13, 2020, the Board of Directors approved our Series B Preferred Stock Repurchase Program (the “Series B Repurchase Program”) that authorizes us to repurchase up to $5 million in the aggregate of the Company’s Series B Preferred Stock. Purchases under the Series B Repurchase Program may be made using a variety of methods, which may include open market purchases, privately negotiated transactions or block trades, or by any combination of such methods, in accordance with applicable insider trading and other securities laws and regulations. The size, scope and timing of any purchases will be based on business, market and other conditions and factors, including price, regulatory and contractual requirements or consents, and capital availability. The Series B Repurchase Program does not require the Company to acquire any particular amount of Series B Preferred Stock and may be suspended, modified or discontinued at any time at the Company’s discretion without prior notice. During March 2020, the Company repurchased 531 shares of our Series B Preferred Stock for approximately $12,000. 6.75% Series C Cumulative Redeemable Preferred Stock On March 16, 2020, the Company paid $4.1 million in dividends or $0.421875 per share for the period from December 1, 2019 through February 29, 2020 to holders of record as of the close of business on February 18, 2020 of our 6.75% Series C Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series C Preferred Stock”). Dividends on our Series C Preferred Stock shares are cumulative and payable quarterly at an annual rate of $1.6875 per share. On April 2, 2020, the Company declared a dividend of $0.421875 per share for the period from March 1, 2020 through May 31, 2020 to be paid on June 15, 2020 to Series C Preferred Stock shareholders of record as of the close of business on May 15, 2020. 6.375% Series D Cumulative Redeemable Preferred Stock On March 16, 2020, the Company paid $2.1 million in dividends or $0.3984375 per share for the period from December 1, 2019 through February 29, 2020 to holders of record as of the close of business on February 18, 2020 of our 6.375% Series D Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series D Preferred Stock”). Dividends on our Series D Preferred Stock shares are cumulative and payable quarterly at an annual rate of $1.59375 per share. On April 2, 2020, the Company declared a dividend of $0.3984375 per share for the period from March 1, 2020 through May 31, 2020 to be paid on June 15, 2020 to Series D Preferred shareholders of record as of the close of business on May 15, 2020. Preferred Stock At-The-Market Sales Program On October 21, 2019, the Company entered into a Preferred Stock At-The-Market Sales Program (“ATM Program”) with B. Riley FBR, Inc. (“B. Riley”), as distribution agent, under which the Company may offer and sell shares of the Company’s Series C Preferred Stock and/or Series D Preferred Stock, having an aggregate sales price of up to $100 million. Sales of shares under the ATM Program are “at the market offerings” as defined in Rule 415 under the Securities Act, including, without limitation, sales made directly on or through the NYSE, or on any other existing trading market for the Series C Preferred Stock or Series D Preferred Stock, as applicable, or to or through a market maker or any other method permitted by law, including, without limitation, negotiated transactions and block trades. The Company began selling shares under the ATM Program on October 22, 2019 and through March 31, 2020, 3.2 million shares of Series D Preferred Stock were sold at a weighted average price of $25.09 per share, generating gross proceeds of $80.5 million and net proceeds of $79.1 million, after offering expenses. Of these amounts, during the three months ended March 31, 2020, we sold 2.6 million shares at a weighted average price of $25.06 per share, generating gross proceeds of $64.1 million and net proceeds after offering expenses of $63.1 million. As of March 31, 2020, there is $19.5 million remaining that may be sold under the ATM Program.

Shareholders' Equity

3 Months Ended

Mar. 31, 2020

NOTE 5 - SHAREHOLDERS’ EQUITY

Common Stock

On March 16, 2020, the Company paid total cash dividends of $7.4 million or $0.18 per share to common shareholders of record as of the close of business on February 18, 2020, of which $904,000 was reinvested in the Dividend Reinvestment and Stock Purchase Plan (“DRIP”). On April 2, 2020, the Company declared a dividend of $0.18 per share to be paid June 15, 2020 to common shareholders of record as of the close of business on May 15, 2020.

During the three months ended March 31, 2020, the Company received, including dividends reinvested of $904,000, a total of $1.6 million from its DRIP. There were 133,000 new shares issued under the DRIP during this period.

On January 15, 2020, the Board of Directors reaffirmed our Common Stock Repurchase Program (the “Repurchase Program”) that authorizes us to repurchase up to $25 million in the aggregate of the Company’s common stock. Purchases under the Repurchase Program may be made using a variety of methods, which may include open market purchases, privately negotiated transactions or block trades, or by any combination of such methods, in accordance with applicable insider trading and other securities laws and regulations. The size, scope and timing of any purchases will be based on business, market and other conditions and factors, including price, regulatory and contractual requirements or consents, and capital availability. The Repurchase Program does not require the Company to acquire any particular amount of common stock and may be suspended, modified or discontinued at any time at the Company’s discretion without prior notice. During March 2020, the Company repurchased 152,000 shares of common stock at an aggregate cost of $1.6 million, or a weighted average price of $10.57 per share. Subsequent to quarter end, we repurchased an additional 20,000 shares of common stock for $199,000 at an average price of $9.96 per share.

8.0% Series B Cumulative Redeemable Preferred Stock

On March 16, 2020, the Company paid $1.9 million in dividends or $0.50 per share for the period from December 1, 2019 through February 29, 2020 to holders of record as of the close of business on February 18, 2020 of our 8.0% Series B Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series B Preferred Stock”). Dividends on our Series B Preferred Stock are cumulative and payable quarterly at an annual rate of $2.00 per share.

On April 2, 2020, the Company declared a dividend of $0.50 per share for the period from March 1, 2020 through May 31, 2020 to be paid on June 15, 2020 to Series B Preferred Stock shareholders of record as of the close of business on May 15, 2020.

On March 13, 2020, the Board of Directors approved our Series B Preferred Stock Repurchase Program (the “Series B Repurchase Program”) that authorizes us to repurchase up to $5 million in the aggregate of the Company’s Series B Preferred Stock. Purchases under the Series B Repurchase Program may be made using a variety of methods, which may include open market purchases, privately negotiated transactions or block trades, or by any combination of such methods, in accordance with applicable insider trading and other securities laws and regulations. The size, scope and timing of any purchases will be based on business, market and other conditions and factors, including price, regulatory and contractual requirements or consents, and capital availability. The Series B Repurchase Program does not require the Company to acquire any particular amount of Series B Preferred Stock and may be suspended, modified or discontinued at any time at the Company’s discretion without prior notice. During March 2020, the Company repurchased 531 shares of our Series B Preferred Stock for approximately $12,000.

6.75% Series C Cumulative Redeemable Preferred Stock

On March 16, 2020, the Company paid $4.1 million in dividends or $0.421875 per share for the period from December 1, 2019 through February 29, 2020 to holders of record as of the close of business on February 18, 2020 of our 6.75% Series C Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series C Preferred Stock”). Dividends on our Series C Preferred Stock shares are cumulative and payable quarterly at an annual rate of $1.6875 per share.

On April 2, 2020, the Company declared a dividend of $0.421875 per share for the period from March 1, 2020 through May 31, 2020 to be paid on June 15, 2020 to Series C Preferred Stock shareholders of record as of the close of business on May 15, 2020.

6.375% Series D Cumulative Redeemable Preferred Stock

On March 16, 2020, the Company paid $2.1 million in dividends or $0.3984375 per share for the period from December 1, 2019 through February 29, 2020 to holders of record as of the close of business on February 18, 2020 of our 6.375% Series D Cumulative Redeemable Preferred Stock, Liquidation Preference $25.00 per share (“Series D Preferred Stock”). Dividends on our Series D Preferred Stock shares are cumulative and payable quarterly at an annual rate of $1.59375 per share.

On April 2, 2020, the Company declared a dividend of $0.3984375 per share for the period from March 1, 2020 through May 31, 2020 to be paid on June 15, 2020 to Series D Preferred shareholders of record as of the close of business on May 15, 2020.

Preferred Stock At-The-Market Sales Program

On October 21, 2019, the Company entered into a Preferred Stock At-The-Market Sales Program (“ATM Program”) with B. Riley FBR, Inc. (“B. Riley”), as distribution agent, under which the Company may offer and sell shares of the Company’s Series C Preferred Stock and/or Series D Preferred Stock, having an aggregate sales price of up to $100 million. Sales of shares under the ATM Program are “at the market offerings” as defined in Rule 415 under the Securities Act, including, without limitation, sales made directly on or through the NYSE, or on any other existing trading market for the Series C Preferred Stock or Series D Preferred Stock, as applicable, or to or through a market maker or any other method permitted by law, including, without limitation, negotiated transactions and block trades. The Company began selling shares under the ATM Program on October 22, 2019 and through March 31, 2020, 3.2 million shares of Series D Preferred Stock were sold at a weighted average price of $25.09 per share, generating gross proceeds of $80.5 million and net proceeds of $79.1 million, after offering expenses. Of these amounts, during the three months ended March 31, 2020, we sold 2.6 million shares at a weighted average price of $25.06 per share, generating gross proceeds of $64.1 million and net proceeds after offering expenses of $63.1 million. As of March 31, 2020, there is $19.5 million remaining that may be sold under the ATM Program.