Note 14 - Stockholders' Equity (Tables)

9 Months Ended

Sep. 30, 2014

Note 14 - Stockholders' Equity (Tables) [Line Items]

Schedule of Stockholders Equity [Table Text Block]

Share Issue Date	Shares Issued		Net Proceeds (1)
(Amounts in Thousands)
April 7, 2014		14,950	$	109,916
January 10, 2014		11,500	$	75,846

⁽¹⁾ Proceeds are net of underwriting costs and offering expenses paid by the Company.

Preferred Stock [Member]

Note 14 - Stockholders' Equity (Tables) [Line Items]

Schedule of Dividends Payable [Table Text Block]

Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
September 18, 2014	October 1, 2014	October 15, 2014	$	0.484375
June 18, 2014	July 1, 2014	July 15, 2014	$	0.484375
March 13, 2014	April 1, 2014	April 15, 2014	$	0.484375
December 10, 2013	January 1, 2014	January 15, 2014	$	0.484375
September 12, 2013	October 1, 2013	October 15, 2013	$	0.484375
June 18, 2013	July 1, 2013	July 15, 2013	$	0.220660

Common Stock [Member]

Note 14 - Stockholders' Equity (Tables) [Line Items]

Schedule of Dividends Payable [Table Text Block]

Period	Declaration Date	Record Date	Payment Date	Cash Dividend Per Share
Third Quarter 2014	September 18, 2014	September 29, 2014	October 27, 2014	$	0.27
Second Quarter 2014	June 18, 2014	June 30, 2014	July 25, 2014		0.27
First Quarter 2014	March 13, 2014	March 24, 2014	April 25, 2014		0.27
Fourth Quarter 2013	December 10, 2013	December 20, 2013	January 27, 2014		0.27
Third Quarter 2013	September 12, 2013	September 23, 2013	October 25, 2013		0.27
Second Quarter 2013	June 18, 2013	June 28, 2013	July 25, 2013		0.27
First Quarter 2013	March 18, 2013	March 28, 2013	April 25, 2013		0.27