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Segment Reporting (Schedule of Segments) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Sep. 30, 2016 USD ($) | Sep. 30, 2015 USD ($) | Sep. 30, 2016 USD ($) segments | Sep. 30, 2015 USD ($) | Dec. 31, 2015 USD ($)
Segment Reporting [Abstract] |  |  |  |  |
Number of reportable segments | segments |  |  | 4 |  |
Segment Reporting |  |  |  |  |
Operating lease income | $ 51,414 | $ 55,699 | $ 160,869 | $ 170,990 |
Interest income | 32,258 | 33,599 | 99,877 | 102,224 |
Other income | 13,442 | 16,888 | 35,080 | 40,214 |
Land development revenue | 31,554 | 14,301 | 74,389 | 29,101 |
Earnings (loss) from equity method investments | 26,540 | 10,572 | 74,254 | 25,904 |
Income from sales of real estate | 34,444 | 26,511 | 88,387 | 66,021 |
Total revenue and other earnings | 189,652 | 157,570 | 532,856 | 434,454 |
Real estate expense | (35,335) | (35,154) | (105,078) | (111,143) |
Land development cost of sales | (22,004) | (10,686) | (50,842) | (22,828) |
Other expense | (819) | (3,334) | (4,741) | (6,345) |
Allocated interest expense | (55,105) | (56,880) | (168,173) | (167,336) |
Allocated general and administrative | (18,232) | (18,300) | (54,789) | (52,454) |
Segment profit (loss) | 58,157 | 33,216 | 149,233 | 74,348 |
Other significant items: |  |  |  |  |
(Recovery of) provision for loan losses | (14,955) | 7,500 | (12,749) | 30,944 |
Impairment of assets | 8,741 | 3,916 | 11,753 | 5,590 |
Depreciation and amortization | 13,002 | 15,787 | 42,184 | 49,804 |
Capitalized expenditures | 42,774 | 45,840 | 139,767 | 129,642 |
Real estate, net | 1,374,610 |  | 1,374,610 |  | $ 1,593,983
Real estate available and held for sale | 101,488 |  | 101,488 |  | 137,274
Total real estate | 1,476,098 |  | 1,476,098 |  | 1,731,257
Land and development | 1,022,106 |  | 1,022,106 |  | 1,001,963
Loans receivable and other lending investments, net | 1,632,186 |  | 1,632,186 |  | 1,601,985
Other investments | 262,496 |  | 262,496 |  | 254,172
Total portfolio assets | 4,392,886 |  | 4,392,886 |  | 4,589,377
Cash and other assets | 845,128 |  | 845,128 |  | 1,008,415
Total assets | 5,238,014 |  | 5,238,014 |  | 5,597,792
Stock-based compensation expense | 1,434 | 2,881 | 7,644 | 10,066 |
Land and Development |  |  |  |  |
Segment Reporting |  |  |  |  |
Income from sales of real estate |  |  | 23,547 | 6,273 |
Operating Segments | Real Estate Finance |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating lease income | 0 | 0 | 0 | 0 |
Interest income | 32,258 | 33,599 | 99,877 | 102,224 |
Other income | 1,052 | 7,988 | 2,672 | 8,834 |
Land development revenue | 0 | 0 | 0 | 0 |
Earnings (loss) from equity method investments | 0 | 0 | 0 | 0 |
Income from sales of real estate | 0 | 0 | 0 | 0 |
Total revenue and other earnings | 33,310 | 41,587 | 102,549 | 111,058 |
Real estate expense | 0 | 0 | 0 | 0 |
Land development cost of sales | 0 | 0 | 0 | 0 |
Other expense | (794) | (2,039) | (1,634) | (2,259) |
Allocated interest expense | (14,544) | (14,030) | (43,877) | (42,828) |
Allocated general and administrative | (3,995) | (3,527) | (11,612) | (9,750) |
Segment profit (loss) | 13,977 | 21,991 | 45,426 | 56,221 |
Other significant items: |  |  |  |  |
(Recovery of) provision for loan losses | (14,955) | 7,500 | (12,749) | 30,944 |
Impairment of assets | 0 | 0 | 0 | 0 |
Depreciation and amortization | 0 | 0 | 0 | 0 |
Capitalized expenditures | 0 | 0 | 0 | 0 |
Real estate, net | 0 |  | 0 |  | 0
Real estate available and held for sale | 0 |  | 0 |  | 0
Total real estate | 0 |  | 0 |  | 0
Land and development | 0 |  | 0 |  | 0
Loans receivable and other lending investments, net | 1,632,186 |  | 1,632,186 |  | 1,601,985
Other investments | 0 |  | 0 |  | 0
Total portfolio assets | 1,632,186 |  | 1,632,186 |  | 1,601,985
Operating Segments | Net Lease |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating lease income | 36,901 | 37,379 | 109,235 | 111,500 |
Interest income | 0 | 0 | 0 | 0 |
Other income | 412 | 8 | 925 | 133 |
Land development revenue | 0 | 0 | 0 | 0 |
Earnings (loss) from equity method investments | 723 | 971 | 2,613 | 4,270 |
Income from sales of real estate | 6,629 | 6,931 | 15,896 | 15,584 |
Total revenue and other earnings | 44,665 | 45,289 | 128,669 | 131,487 |
Real estate expense | (4,799) | (5,473) | (14,033) | (16,266) |
Land development cost of sales | 0 | 0 | 0 | 0 |
Other expense | 0 | 0 | 0 | 0 |
Allocated interest expense | (16,330) | (16,358) | (49,030) | (50,126) |
Allocated general and administrative | (4,526) | (4,209) | (13,135) | (11,646) |
Segment profit (loss) | 19,010 | 19,249 | 52,471 | 53,449 |
Other significant items: |  |  |  |  |
(Recovery of) provision for loan losses | 0 | 0 | 0 | 0 |
Impairment of assets | 4,829 | 0 | 4,829 | 0 |
Depreciation and amortization | 8,630 | 9,522 | 26,260 | 28,380 |
Capitalized expenditures | 934 | 1,439 | 3,410 | 3,553 |
Real estate, net | 1,001,776 |  | 1,001,776 |  | 1,112,479
Real estate available and held for sale | 0 |  | 0 |  | 0
Total real estate | 1,001,776 |  | 1,001,776 |  | 1,112,479
Land and development | 0 |  | 0 |  | 0
Loans receivable and other lending investments, net | 0 |  | 0 |  | 0
Other investments | 103,468 |  | 103,468 |  | 69,096
Total portfolio assets | 1,105,244 |  | 1,105,244 |  | 1,181,575
Operating Segments | Operating Properties |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating lease income | 14,407 | 18,125 | 51,317 | 58,855 |
Interest income | 0 | 0 | 0 | 0 |
Other income | 10,793 | 7,602 | 25,351 | 27,069 |
Land development revenue | 0 | 0 | 0 | 0 |
Earnings (loss) from equity method investments | 630 | 469 | 31,564 | 1,302 |
Income from sales of real estate | 27,815 | 19,580 | 72,491 | 50,437 |
Total revenue and other earnings | 53,645 | 45,776 | 180,723 | 137,663 |
Real estate expense | (21,129) | (22,448) | (63,046) | (73,812) |
Land development cost of sales | 0 | 0 | 0 | 0 |
Other expense | 0 | 0 | 0 | 0 |
Allocated interest expense | (5,110) | (6,724) | (17,579) | (21,449) |
Allocated general and administrative | (1,502) | (1,841) | (5,010) | (5,298) |
Segment profit (loss) | 25,904 | 14,763 | 95,088 | 37,104 |
Other significant items: |  |  |  |  |
(Recovery of) provision for loan losses | 0 | 0 | 0 | 0 |
Impairment of assets | 112 | 3,916 | 3,124 | 5,590 |
Depreciation and amortization | 3,798 | 5,610 | 14,103 | 19,400 |
Capitalized expenditures | 15,902 | 26,358 | 44,145 | 58,201 |
Real estate, net | 372,834 |  | 372,834 |  | 481,504
Real estate available and held for sale | 101,488 |  | 101,488 |  | 137,274
Total real estate | 474,322 |  | 474,322 |  | 618,778
Land and development | 0 |  | 0 |  | 0
Loans receivable and other lending investments, net | 0 |  | 0 |  | 0
Other investments | 12,747 |  | 12,747 |  | 11,124
Total portfolio assets | 487,069 |  | 487,069 |  | 629,902
Operating Segments | Land and Development |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating lease income | 106 | 195 | 317 | 635 |
Interest income | 0 | 0 | 0 | 0 |
Other income | 658 | 376 | 2,889 | 1,163 |
Land development revenue | 31,554 | 14,301 | 74,389 | 29,101 |
Earnings (loss) from equity method investments | 21,841 | 6,647 | 31,189 | 13,719 |
Income from sales of real estate | 0 | 0 | 0 | 0 |
Total revenue and other earnings | 54,159 | 21,519 | 108,784 | 44,618 |
Real estate expense | (9,407) | (7,233) | (27,999) | (21,065) |
Land development cost of sales | (22,004) | (10,686) | (50,842) | (22,828) |
Other expense | 0 | 0 | 0 | 0 |
Allocated interest expense | (9,013) | (8,265) | (26,040) | (23,685) |
Allocated general and administrative | (3,495) | (3,233) | (10,092) | (8,759) |
Segment profit (loss) | 10,240 | (7,898) | (6,189) | (31,719) |
Other significant items: |  |  |  |  |
(Recovery of) provision for loan losses | 0 | 0 | 0 | 0 |
Impairment of assets | 3,800 | 0 | 3,800 | 0 |
Depreciation and amortization | 298 | 380 | 997 | 1,160 |
Capitalized expenditures | 25,938 | 18,043 | 92,212 | 67,888 |
Real estate, net | 0 |  | 0 |  | 0
Real estate available and held for sale | 0 |  | 0 |  | 0
Total real estate | 0 |  | 0 |  | 0
Land and development | 1,022,106 |  | 1,022,106 |  | 1,001,963
Loans receivable and other lending investments, net | 0 |  | 0 |  | 0
Other investments | 92,885 |  | 92,885 |  | 100,419
Total portfolio assets | 1,114,991 |  | 1,114,991 |  | 1,102,382
Corporate/Other |  |  |  |  |
Segment Reporting |  |  |  |  |
Operating lease income | 0 | 0 | 0 | 0 |
Interest income | 0 | 0 | 0 | 0 |
Other income | 527 | 914 | 3,243 | 3,015 |
Land development revenue | 0 | 0 | 0 | 0 |
Earnings (loss) from equity method investments | 3,346 | 2,485 | 8,888 | 6,613 |
Income from sales of real estate | 0 | 0 | 0 | 0 |
Total revenue and other earnings | 3,873 | 3,399 | 12,131 | 9,628 |
Real estate expense | 0 | 0 | 0 | 0 |
Land development cost of sales | 0 | 0 | 0 | 0 |
Other expense | (25) | (1,295) | (3,107) | (4,086) |
Allocated interest expense | (10,108) | (11,503) | (31,647) | (29,248) |
Allocated general and administrative | (4,714) | (5,490) | (14,940) | (17,001) |
Segment profit (loss) | (10,974) | (14,889) | (37,563) | (40,707) |
Other significant items: |  |  |  |  |
(Recovery of) provision for loan losses | 0 | 0 | 0 | 0 |
Impairment of assets | 0 | 0 | 0 | 0 |
Depreciation and amortization | 276 | 275 | 824 | 864 |
Capitalized expenditures | 0 | $ 0 | 0 | $ 0 |
Real estate, net | 0 |  | 0 |  | 0
Real estate available and held for sale | 0 |  | 0 |  | 0
Total real estate | 0 |  | 0 |  | 0
Land and development | 0 |  | 0 |  | 0
Loans receivable and other lending investments, net | 0 |  | 0 |  | 0
Other investments | 53,396 |  | 53,396 |  | 73,533
Total portfolio assets | $ 53,396 |  | $ 53,396 |  | $ 73,533

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