Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Thousands, $ in Thousands	Sep. 30, 2019	Sep. 30, 2018
Accumulated amortization of intangible assets	$ 15,686	$ 13,700
Accumulated amortization of lease costs	3,378	3,271
Accumulated amortization of financing costs	$ 1,352	$ 995
Common stock, par value	$ 0.01	$ 0.01
Common Stock, shares authorized	188,040	188,040
Common Stock, shares issued	96,399	81,503
Common Stock, shares outstanding	96,399	81,503
Excess Stock, par value	$ 0.01	$ 0.01
Excess Stock , shares authorized	200,000	200,000
Excess Stock , shares issued	0	0
Excess Stock , shares outstanding	0	0
Series C Preferred Stock [Member]
Cumulative redeemable preferred, stock dividend rate	6.125%	6.125%
Preferred stock, par value	$ 0.01	$ 0.01
Preferred stock, shares authorized	16,400	16,400
Preferred stock, shares issued	13,907	11,488
Preferred stock, shares outstanding	13,907	11,488