Consolidated Balance Sheets (Parenthetical) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Restricted cash and cash equivalent	$ 2,749	$ 1,930
Deferred costs accumulated amortization	118,572	117,878
Accumulated amortization of acquired lease intangible assets	316,632	312,186
Accumulated accretion of acquired lease intangible liabilities	$ 173,281	$ 172,293
Common stock, par value per share	$ 0.01	$ 0.01
Common stock, shares authorized	220,000,000	220,000,000
Common stock, shares issued	171,372,557	171,213,008
Treasury stock, shares held at cost	436,924	427,901
Exchangeable operating partnership units aggregate redemption value	$ 54,222	$ 56,844
Partnership Interest [Member]
Restricted cash and cash equivalent	2,749	1,930
Deferred costs accumulated amortization	118,572	117,878
Accumulated amortization of acquired lease intangible assets	316,632	312,186
Accumulated accretion of acquired lease intangible liabilities	$ 173,281	$ 172,293
General partner units, outstanding	171,372,557	171,213,008
Limited partner units, outstanding	760,046	760,046