Business Segments - (Details) - USD ($) $ in Thousands |
3 Months Ended | 12 Months Ended | ||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Dec. 31, 2015 |
Sep. 30, 2015 |
Jun. 30, 2015 |
Mar. 31, 2015 |
Dec. 31, 2014 |
Sep. 30, 2014 |
Jun. 30, 2014 |
Mar. 31, 2014 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
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Summary information for the reportable segments | ||||||||||||||||||||
Rental and other property revenues (3) | $ 956,954 | $ 952,831 | $ 939,231 | |||||||||||||||||
Tax credit and asset management revenues | 24,356 | 31,532 | 34,822 | |||||||||||||||||
Total revenues | $ 245,875 | $ 246,387 | $ 244,783 | $ 244,265 | $ 242,178 | $ 246,843 | $ 246,418 | $ 248,924 | 981,310 | 984,363 | 974,053 | |||||||||
Property operating expenses (3) | 359,393 | 373,654 | 375,710 | |||||||||||||||||
Investment management expenses | 5,855 | 7,310 | 4,341 | |||||||||||||||||
Depreciation and amortization (3) | 306,301 | 282,608 | 291,910 | |||||||||||||||||
Provision for real estate impairment losses (3) | 0 | 1,820 | 0 | |||||||||||||||||
General and administrative expenses | 43,178 | 44,092 | 45,670 | |||||||||||||||||
Other expenses, net | 10,368 | 12,529 | 7,403 | |||||||||||||||||
Total operating expenses | 180,391 | 182,366 | 179,140 | 183,198 | 178,370 | 179,376 | 180,621 | 183,646 | 725,095 | 722,013 | 725,034 | |||||||||
Operating income (loss) | 65,484 | 64,021 | 65,643 | 61,067 | 63,808 | 67,467 | 65,797 | 65,278 | 256,215 | 262,350 | 249,019 | |||||||||
Other items included in continuing operations | (164,825) | (194,875) | (214,423) | |||||||||||||||||
Income from continuing operations | $ 25,257 | $ 23,769 | $ 23,907 | $ 18,457 | $ 19,306 | $ 18,186 | $ 17,943 | $ 12,040 | 91,390 | 67,475 | 34,596 | |||||||||
Operating Segments [Member] | Conventional Real Estate Operations [Member] | ||||||||||||||||||||
Summary information for the reportable segments | ||||||||||||||||||||
Rental and other property revenues (3) | [1] | 798,321 | 729,657 | 679,422 | ||||||||||||||||
Total revenues | 798,321 | 729,657 | 679,422 | |||||||||||||||||
Property operating expenses (3) | [1] | 263,573 | 245,264 | 233,183 | ||||||||||||||||
Total operating expenses | 263,573 | 245,264 | 233,183 | |||||||||||||||||
Operating income (loss) | 534,748 | 484,393 | 446,239 | |||||||||||||||||
Income from continuing operations | 534,748 | 484,393 | 446,239 | |||||||||||||||||
Operating Segments [Member] | Affordable Real Estate Operations [Member] | ||||||||||||||||||||
Summary information for the reportable segments | ||||||||||||||||||||
Rental and other property revenues (3) | [1] | 96,549 | 94,501 | 93,033 | ||||||||||||||||
Total revenues | 96,549 | 94,501 | 93,033 | |||||||||||||||||
Property operating expenses (3) | [1] | 38,484 | 38,407 | 37,433 | ||||||||||||||||
Provision for real estate impairment losses (3) | 0 | |||||||||||||||||||
Total operating expenses | 38,484 | 38,407 | 37,433 | |||||||||||||||||
Operating income (loss) | 58,065 | 56,094 | 55,600 | |||||||||||||||||
Income from continuing operations | 58,065 | 56,094 | 55,600 | |||||||||||||||||
Proportionate Adjustments [Member] | ||||||||||||||||||||
Summary information for the reportable segments | ||||||||||||||||||||
Rental and other property revenues (3) | [1],[2] | 37,369 | 29,564 | 66,489 | ||||||||||||||||
Total revenues | [2] | 37,369 | 29,564 | 66,489 | ||||||||||||||||
Property operating expenses (3) | [1],[2] | 13,815 | 8,878 | 25,192 | ||||||||||||||||
Total operating expenses | [2] | 13,815 | 8,878 | 25,192 | ||||||||||||||||
Operating income (loss) | [2] | 23,554 | 20,686 | 41,297 | ||||||||||||||||
Income from continuing operations | [2] | 23,554 | 20,686 | 41,297 | ||||||||||||||||
Corporate Nonsegment And Other Reconciling Items Member [Member] | ||||||||||||||||||||
Summary information for the reportable segments | ||||||||||||||||||||
Rental and other property revenues (3) | [1],[3] | 24,715 | 99,109 | 100,287 | ||||||||||||||||
Tax credit and asset management revenues | [3] | 24,356 | 31,532 | 34,822 | ||||||||||||||||
Total revenues | [3] | 49,071 | 130,641 | 135,109 | ||||||||||||||||
Property operating expenses (3) | [1],[3] | 43,521 | 81,105 | 79,902 | ||||||||||||||||
Investment management expenses | 5,855 | [3] | 7,310 | [3] | 4,341 | |||||||||||||||
Depreciation and amortization (3) | [1],[3] | 306,301 | 282,608 | 291,910 | ||||||||||||||||
Provision for real estate impairment losses (3) | [3] | 1,820 | ||||||||||||||||||
General and administrative expenses | [3] | 43,178 | 44,092 | 45,670 | ||||||||||||||||
Other expenses, net | [3] | 10,368 | 12,529 | 7,403 | ||||||||||||||||
Total operating expenses | [3] | 409,223 | 429,464 | 429,226 | ||||||||||||||||
Operating income (loss) | [3] | (360,152) | (298,823) | (294,117) | ||||||||||||||||
Other items included in continuing operations | [3] | (164,825) | (194,875) | (214,423) | ||||||||||||||||
Income from continuing operations | [3] | $ (524,977) | $ (493,698) | $ (508,540) | ||||||||||||||||
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