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MAALP Capital (Details) - USD ($) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2016
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Dividends, Preferred Stock, Cash |  | $ 0 |
Limited Partner [Member] |  |  |
Capital Disclosure [Line Items] |  |  |
Noncontrolling Interest in Joint Ventures | $ 2,306,000 |  | $ 2,306,000
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Dividends, Preferred Stock, Cash | 922,000 | 0 |
Limited Partner [Member] | General Partners' Capital Account [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Beginning Balance | 6,337,721,000 | 2,993,696,000 | 2,993,696,000
Net Income Allocated to General Partners | 40,983,000 | 43,413,000 |
Issuance of units | 68,000 | 90,000 |
Units repurchased and retired | (4,734,000) | (1,730,000) |
General partner units issued in exchange for limited partner units | 167,000 | 33,000 |
Units issued in exchange for redeemable units | 1,482,000 | 123,000 |
Redeemable stock fair market value | (298,000) | (1,100,000) |
Adjustment for noncontrolling interest ownership in operating partnership | 192,000 | 172,000 |
Amortization of unearned compensation | 3,025,000 | 2,078,000 |
Distributions | (98,841,000) | (61,928,000) |
Ending Balance | 6,279,765,000 | 2,974,847,000 | 6,337,721,000
Limited Partner [Member] | Total Partnership Capital [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Beginning Balance | 6,642,082,000 | 3,157,804,000 | 3,157,804,000
Net Income Available for Common Unitholders | 43,416,000 | 45,808,000 |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 3,192,000 | (2,519,000) |
Issuance of units | 2,075,000 | 90,000 |
Units repurchased and retired | (4,734,000) | (1,730,000) |
General partner units issued in exchange for limited partner units | 0 | 0 |
Units issued in exchange for redeemable units | 1,482,000 | 123,000 |
Redeemable stock fair market value | (298,000) | (1,100,000) |
Adjustment for noncontrolling interest ownership in operating partnership | 0 | 0 |
Amortization of unearned compensation | 3,025,000 | 2,078,000 |
Distributions | (102,505,000) | (65,340,000) |
Dividends, Preferred Stock, Cash | 922,000 |  |
Ending Balance | 6,586,813,000 | 3,135,214,000 | 6,642,082,000
Limited Partner [Member] | Limited Partner [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Beginning Balance | 235,976,000 | 165,726,000 | 165,726,000
Net Income Allocated to Limited Partners | 1,511,000 | 2,395,000 |
General partner units issued in exchange for limited partner units | (167,000) | (33,000) |
Adjustment for noncontrolling interest ownership in operating partnership | (192,000) | (172,000) |
Distributions | (3,664,000) | (3,412,000) |
Ending Balance | 233,464,000 | 164,504,000 | 235,976,000
Limited Partner [Member] | AOCI Attributable to Noncontrolling Interest [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Beginning Balance | 1,246,000 | (1,618,000) | (1,618,000)
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 3,192,000 | (2,519,000) |
Ending Balance | 4,438,000 | (4,137,000) | 1,246,000
Accumulated Distributions in Excess of Net Income [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | 0 |  |
Redeemable stock fair market value | (298,000) | $ (1,100,000) |
Adjustment for noncontrolling interest ownership in operating partnership | 0 |  |
Amortization of unearned compensation | (114,000) |  |
Accumulated Distributions in Excess of Net Income [Member] | Limited Partner [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Issuance of units | 2,007,000 |  | $ 64,833,000
Dividends, Preferred Stock, Cash | 922,000 |  |
Preferred Stock Including Additional Paid in Capital [Member] | Limited Partner [Member] |  |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |  |
Ending Balance | $ 66,840,000 |  |

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