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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

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