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MAALP Capital (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2016 | Mar. 31, 2015
Limited Partners' Capital Account [Member] |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |
Beginning Balance | $ 165,726 | $ 161,310
Net Income Allocated to Limited Partners | 2,395 | 3,410
General partner units issued in exchange for limited partner units | (33) | (46)
Adjustment for noncontrolling interest ownership in operating partnership | (172) | (128)
Distributions | (3,412) | (3,226)
Ending Balance | 164,504 | 161,320
General Partners' Capital Account [Member] |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |
Beginning Balance | 2,993,696 | 2,890,858
Net Income Allocated to General Partners | 43,413 | 61,267
Issuance of units | 90 | 8
Units repurchased and retired | (1,730) | (937)
General partner units issued in exchange for limited partner units | 33 | 46
Units issued in exchange for redeemable units | 123 |
Redeemable stock fair market value | (1,100) | (209)
Adjustment for noncontrolling interest ownership in operating partnership | 172 | 128
Amortization of unearned compensation | 2,078 | 1,462
Distributions | (61,928) | (58,034)
Ending Balance | 2,974,847 | 2,894,589
Accumulated Other Comprehensive Income (Loss) [Member] |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |
Beginning Balance | (1,618) | (376)
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | (2,519) | (2,155)
Ending Balance | (4,137) | (2,531)
Total Partnership Capital [Member] |  |
Increase (Decrease) in Partners' Capital [Roll Forward] |  |
Beginning Balance | 3,157,804 | 3,051,792
Net Income Available for Common Unitholders | 45,808 | 64,677
Other comprehensive (loss) income - derivatives insturments (cash flow hedges) | (2,519) | (2,155)
Issuance of units | 90 | 8
Units repurchased and retired | (1,730) | (937)
General partner units issued in exchange for limited partner units | 0 | 0
Units issued in exchange for redeemable units | 123 |
Redeemable stock fair market value | (1,100) | (209)
Adjustment for noncontrolling interest ownership in operating partnership | 0 | 0
Amortization of unearned compensation | 2,078 | 1,462
Distributions | (65,340) | (61,260)
Ending Balance | $ 3,135,214 | $ 3,053,378

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