Note 16 - Supplemental Schedule of Non-cash Investing / Financing Activities - Non-cash Investing and Financing Activities (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Acquisition of real estate interests through proceeds held in escrow	$ 30,970
Disposition of real estate interests by foreclosure of debt		7,444
Forgiveness of debt due to foreclosure		12,415
Surrender of restricted common stock	3,252	3,374
Dividends payable	130,444	132,209	$ 130,262
Capital expenditures accrual	70,976	84,932
Decrease in real estate and other assets		300,299
Increase in investments in and advances to real estate joint ventures		(62,429)
Decrease in mortgages and construction loan payable, other liabilities and noncontrolling interests		$ 248,274

Amount of decrease in mortgages payable, other liabilities and non-controlling interests.

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- Definition

The amount of real estate interest disposed of in connection to the foreclosure of debt.

+ References

No definition available.

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The amount of debt forgave due to foreclosure.

+ References

No definition available.

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- Definition

Represents the increase (decrease) in future cash outflow to pay for purchases of fixed assets that have occurred.

+ References

No definition available.

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- Definition

Represents the investments in and advances to real estate joint ventures due to deconsolidation, included in non-cash investing and financing activities.

+ References

No definition available.

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Amount of assets divested during the period through a noncash (or part noncash) transaction.

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Amount of decrease to equity for grantee's tax withholding obligation for award under share-based payment arrangement.

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Carrying value as of the balance sheet date of dividends declared but unpaid on equity securities issued by the entity and outstanding.

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Amount of escrow deposit disbursements related to property acquisition in noncash investing or financing transactions.

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