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INVESTMENTS IN AND ADVANCES TO UNCONSOLIDATED AFFILIATES (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2012 | Jun. 30, 2012 | Mar. 31, 2012 | Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Equity Method Investments |  |  |  |  |  |  |  |  | $ 56,171 | $ 160,888 | $ 54,981
Combined and Condensed Balance Sheets |  |  |  |  |  |  |  |  |  |  |
Real estate under development | 337,353 |  |  |  | 221,883 |  |  |  | 337,353 | 221,883 |
Investments in and advances to unconsolidated affiliates | 181,322 |  |  |  | 221,904 |  |  |  | 181,322 | 221,904 |
Total assets | 2,264,957 |  |  |  | 1,908,440 |  |  |  | 2,264,957 | 1,908,440 |
Other liabilities | 18,265 |  |  |  | 14,652 |  |  |  | 18,265 | 14,652 |
Total liabilities and partners’ equity | 2,264,957 |  |  |  | 1,908,440 |  |  |  | 2,264,957 | 1,908,440 |
Company's share of distributions in excess of share of income and investments in unconsolidated affiliates | (8,701) |  |  |  | (22,707) |  |  |  | (8,701) | (22,707) |
Combined and Condensed Statements of Operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenues | 44,102 | 41,085 | 40,808 | 42,291 | 31,817 | 29,580 | 28,257 | 25,333 | 168,286 | 114,987 | 97,857
Operating and other expenses |  |  |  |  |  |  |  |  | (112,407) | (87,232) | (71,999)
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 12,382 | 550 | 1,555
Depreciation and amortization |  |  |  |  |  |  |  |  | (40,299) | (27,888) | (20,975)
(Loss) gain on debt extinguishment |  |  |  |  |  |  |  |  | (765) | (198) | 1,268
Net income |  |  |  |  |  |  |  |  | 26,503 | 9,267 | 4,877
Unconsolidated Affiliates [Member] |  |  |  |  |  |  |  |  |  |  |
Combined and Condensed Balance Sheets |  |  |  |  |  |  |  |  |  |  |
Rental property, net | 380,268 |  |  |  | 441,611 |  |  |  | 380,268 | 441,611 |
Real estate under development | 5,573 |  |  |  | 0 |  |  |  | 5,573 | 0 |
Investments in and advances to unconsolidated affiliates | 63,745 |  |  |  | 93,923 |  |  |  | 63,745 | 93,923 |
Other assets | 66,895 |  |  |  | 39,035 |  |  |  | 66,895 | 39,035 |
Total assets | 516,481 |  |  |  | 574,569 |  |  |  | 516,481 | 574,569 |
Mortgage notes payable | 265,982 |  |  |  | 326,296 |  |  |  | 265,982 | 326,296 |
Other liabilities | 43,733 |  |  |  | 24,267 |  |  |  | 43,733 | 24,267 |
Partners’ equity | 206,766 |  |  |  | 224,006 |  |  |  | 206,766 | 224,006 |
Total liabilities and partners’ equity | 516,481 |  |  |  | 574,569 |  |  |  | 516,481 | 574,569 |
Combined and Condensed Statements of Operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 51,638 | 49,729 | 42,185
Operating and other expenses |  |  |  |  |  |  |  |  | (18,700) | (18,919) | (15,924)
Interest expense |  |  |  |  |  |  |  |  | (8,943) | (18,547) | (17,099)
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 13,651 | 583 | 7,243
Depreciation and amortization |  |  |  |  |  |  |  |  | (10,599) | (9,551) | (8,837)
(Loss) gain on debt extinguishment |  |  |  |  |  |  |  |  | 0 | (293) | 0
Gain on sale of properties |  |  |  |  |  |  |  |  | 0 | 3,402 | 0
Net income |  |  |  |  |  |  |  |  | 27,047 | 6,404 | 7,568
Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Combined and Condensed Statements of Operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 12,382 | 1,579 | 1,555
Company’s share of net income |  |  |  |  |  |  |  |  | 12,774 | 1,971 | 1,946
Amortization of excess investment |  |  |  |  |  |  |  |  | (392) | (392) | (391)
KLA/Mervyns LLC Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 10.50% |  |  |  |  |  |  |  | 10.50% |  |
KLA A Markets LLC Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 20.00% |  |  |  |  |  |  |  | 20.00% |  |
KA-Shopko LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 20.00% |  |  |  |  |  |  |  | 20.00% |  |
Marsh and Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 20.00% |  |  |  |  |  |  |  | 20.00% |  |
KLAC Rex Venture LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 13.30% |  |  |  |  |  |  |  | 13.30% |  |
KLA/Mervyns LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 10.50% |  |  |  |  |  |  |  | 10.50% |  |
KLA A Markets LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 18.90% |  |  |  |  |  |  |  | 18.90% |  |
Mervyns I and Mervyns II [Member] | KLA/Mervyns LLC Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 5.80% |  |  |  |  |  |  |  | 5.80% |  |
Mervyns I and Mervyns II [Member] | KLA/Mervyns LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 5.80% |  |  |  |  |  |  |  | 5.80% |  |
Mervyns II [Member] | KLA A Markets LLC Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 6.00% |  |  |  |  |  |  |  | 6.00% |  |
Mervyns II [Member] | KLAC Rex Venture LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 13.30% |  |  |  |  |  |  |  | 13.30% |  |
Mervyns II [Member] | KLA A Markets LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 5.70% |  |  |  |  |  |  |  | 5.70% |  |
Fund II [Member] | KA-Shopko LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 2.00% |  |  |  |  |  |  |  | 2.00% |  |
Fund II [Member] | Marsh and Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Noncontrolling Interest, Ownership Percentage by Parent | 3.30% |  |  |  |  |  |  |  | 3.30% |  |
Core Portfolio [Member] |  |  |  |  |  |  |  |  |  |  |
Combined and Condensed Statements of Operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 110,355 | 70,400 | 58,162
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | (99) | 262 | 644
Depreciation and amortization |  |  |  |  |  |  |  |  | (28,989) | (17,065) | (13,070)
(Loss) gain on debt extinguishment |  |  |  |  |  |  |  |  | (309) | 0 | 1,268
Net income |  |  |  |  |  |  |  |  | 780 | (1,097) | (7,932)
Core Portfolio [Member] | Crossroads [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 49.00% |  |  |  |  |  |  |  | 49.00% |  |
Square Footage of Real Estate Property (in feet) | 311,000 |  |  |  |  |  |  |  | 311,000 |  |
Core Portfolio [Member] | Georgetown Portfolio [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 50.00% |  |  |  |  |  |  |  | 50.00% |  |
Square Footage of Real Estate Property (in feet) | 28,000 |  |  |  |  |  |  |  | 28,000 |  |
Core Portfolio [Member] | Route 202 Shopping Center [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investment, Ownership Percentage | 22.22% |  |  |  |  |  |  |  | 22.22% |  |
Square Footage of Real Estate Property (in feet) | 20,000 |  |  |  |  |  |  |  | 20,000 |  |
Fund II [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Payments to Acquire Equity Method Investments |  |  |  |  |  |  |  |  | 1,100 |  |
Non-Cash Transfer of Prepaid Rent and Construction Costs to Acquire Equity Method Investments |  |  |  |  |  |  |  |  | 6,800 |  |
Opportunity Funds [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of Unaffiliated Partners |  |  |  |  |  |  |  |  | 2 |  |
Combined and Condensed Statements of Operations [Abstract] |  |  |  |  |  |  |  |  |  |  |
Total revenues |  |  |  |  |  |  |  |  | 46,131 | 36,560 | 27,990
Equity in earnings of unconsolidated affiliates |  |  |  |  |  |  |  |  | 12,481 | 288 | 911
Depreciation and amortization |  |  |  |  |  |  |  |  | (11,310) | (10,823) | (7,905)
(Loss) gain on debt extinguishment |  |  |  |  |  |  |  |  | (456) | (198) | 0
Net income |  |  |  |  |  |  |  |  | 13,923 | 2,742 | 1,104
Opportunity Funds [Member] | RCP Venture [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 145,763 |  |
Combined and Condensed Balance Sheets |  |  |  |  |  |  |  |  |  |  |
Investments in and advances to unconsolidated affiliates | 63,214 |  |  |  |  |  |  |  | 63,214 |  |
Opportunity Funds [Member] | RCP Venture [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 31,346 |  |
Combined and Condensed Balance Sheets |  |  |  |  |  |  |  |  |  |  |
Investments in and advances to unconsolidated affiliates | 12,070 |  |  |  |  |  |  |  | 12,070 |  |
Opportunity Funds [Member] | Mervyns I and Mervyns II [Member] | KLA/Mervyns LLC Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 7,547 |  |  |  |  |  |  |  | 7,547 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 5,334 |  |
Opportunity Funds [Member] | Mervyns I and Mervyns II [Member] | KLA/Mervyns LLC Add-On Investments [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 1,252 |  |  |  |  |  |  |  | 1,252 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 1,193 |  |
Opportunity Funds [Member] | Mervyns I and Mervyns II [Member] | KLA/Mervyns LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | 26,058 |  |  |  |  |  |  |  | 26,058 |  |
Equity Method Investment, Dividends or Distributions |  |  |  |  |  |  |  |  | 46,916 |  |
Opportunity Funds [Member] | Mervyns I and Mervyns II [Member] | KLA/Mervyns LLC [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | 4,901 |  |  |  |  |  |  |  | 4,901 |  |
Equity Method Investment, Dividends or Distributions |  |  |  |  |  |  |  |  | 11,451 |  |
Opportunity Funds [Member] | Mervyns II [Member] | KLA A Markets LLC Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 2,416 |  |  |  |  |  |  |  | 2,416 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 4,864 |  |
Opportunity Funds [Member] | Mervyns II [Member] | KLA A Markets LLC Add-On Investments [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 388 |  |  |  |  |  |  |  | 388 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 972 |  |
Opportunity Funds [Member] | Mervyns II [Member] | KLAC Rex Venture LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 2,701 |  |  |  |  |  |  |  | 2,701 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 1,956 |  |
Opportunity Funds [Member] | Mervyns II [Member] | KLAC Rex Venture LLC [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 535 |  |  |  |  |  |  |  | 535 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 392 |  |
Opportunity Funds [Member] | Mervyns II [Member] | KLA A Markets LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | 20,717 |  |  |  |  |  |  |  | 20,717 |  |
Equity Method Investment, Dividends or Distributions |  |  |  |  |  |  |  |  | 81,594 |  |
Opportunity Funds [Member] | Mervyns II [Member] | KLA A Markets LLC [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equity Method Investments | 4,239 |  |  |  |  |  |  |  | 4,239 |  |
Equity Method Investment, Dividends or Distributions |  |  |  |  |  |  |  |  | 16,318 |  |
Opportunity Funds [Member] | Fund II [Member] | KA-Shopko LLC [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 1,108 |  |  |  |  |  |  |  | 1,108 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 2,460 |  |
Opportunity Funds [Member] | Fund II [Member] | KA-Shopko LLC [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 222 |  |  |  |  |  |  |  | 222 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 492 |  |
Opportunity Funds [Member] | Fund II [Member] | Marsh and Add-On Investments [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 2,667 |  |  |  |  |  |  |  | 2,667 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | 2,639 |  |
Opportunity Funds [Member] | Fund II [Member] | Marsh and Add-On Investments [Member] | Operating Partnership, as General Partner or Managing Member [Member] |  |  |  |  |  |  |  |  |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |  |  |  |  |
Cost Method Investments | 533 |  |  |  |  |  |  |  | 533 |  |
Investment Income, Dividend |  |  |  |  |  |  |  |  | $ 528 |  |

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