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Note 16 - Noncontrolling Interests and Redeemable Noncontrolling Interests - Convertible Non-convertible Units (Details) | 12 Months Ended
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Dec. 31, 2021 $ / shares shares
Class B-1 Preferred Units [Member] |  |
Par Value Per Unit (in dollars per share) | $ / shares | $ 10,000 | [1]
Number of Units Remaining (in shares) | shares | 189 | [1]
Return Per Annum | 7.00% | [1]
Class B-2 Preferred Units [Member] |  |
Par Value Per Unit (in dollars per share) | $ / shares | $ 10,000 | [2]
Number of Units Remaining (in shares) | shares | 42 | [2]
Return Per Annum | 7.00% | [2]
Class C DownReit Units [Member] |  |
Par Value Per Unit (in dollars per share) | $ / shares | $ 30.52 | [1]
Number of Units Remaining (in shares) | shares | 52,797 | [1]
[1] | These units are redeemable for cash by the holder or at the Company’s option, shares of the Company’s common stock, based upon the conversion calculation as defined in the agreement. These units are included in Noncontrolling interests on the Company’s Consolidated Balance Sheets.
[2] | These units are redeemable for cash by the holder or callable by the Company and are included in Redeemable noncontrolling interests on the Company's Consolidated Balance Sheets.

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- Definition The annual return from non-controlling interest represented by a percentage. + References No definition available. + Details
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- Definition The par value of non-controlling interest. + References No definition available. + Details
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- Definition The number of units issued in connection to non-controlling interest. + References No definition available. + Details
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- Details
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