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Operating and Reporting Segments (Details 1) (USD $) In Thousands, unless otherwise specified | Dec. 31, 2012 | Dec. 31, 2011
--- | --- | ---
Segment information on assets |  |  |
Deposits on real estate under option or contract | $ 14,351 | [1] | $ 15,208
Real estate | 1,113,187 |  | 815,425
Investments in unconsolidated entities | 12,085 |  | 11,088
Other assets | 435,939 |  | 379,657
Total assets | 1,575,562 |  | 1,221,378
Corporate and Unallocated [Member] |  |  |
Segment information on assets |  |  |
Deposits on real estate under option or contract | 0 |  | 0
Real estate | 0 |  | 0
Investments in unconsolidated entities | 1,059 |  | 653
Other assets | 252,544 |  | 271,372
Total assets | 253,603 |  | 272,025
West [Member] |  |  |
Segment information on assets |  |  |
Deposits on real estate under option or contract | 4,419 |  | 5,387
Real estate | 647,316 |  | 504,617
Investments in unconsolidated entities | 365 |  | 371
Other assets | 24,935 |  | 18,421
Total assets | 677,035 |  | 528,796
Central [Member] |  |  |
Segment information on assets |  |  |
Deposits on real estate under option or contract | 7,168 |  | 8,987
Real estate | 305,100 |  | 232,924
Investments in unconsolidated entities | 10,645 |  | 10,050
Other assets | 132,546 |  | 81,022
Total assets | 455,459 |  | 332,983
East [Member] |  |  |
Segment information on assets |  |  |
Deposits on real estate under option or contract | 2,764 |  | 834
Real estate | 160,771 |  | 77,884
Investments in unconsolidated entities | 16 |  | 14
Other assets | 25,914 |  | 8,842
Total assets | $ 189,465 |  | $ 87,574
[1] | Amount is reflected in our consolidated balance sheet in the line item “Deposits on real estate under option or contract” as of December 31, 2012.

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Concepts (CON) -Number 6 -Paragraph 25 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The carrying amount of the asset transferred to a third party to serve as a deposit, which typically serves as security against failure by the transferor to perform under terms of an agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 8 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8,17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Total of (1) improvements, (2) held-for-sale, (3) land and land under development, (4) construction-in-process, (5) mortgage loans held-in-inventory, and (6) other real estate investments which are considered inventory due to being held for sale or disposition. + References No definition available. + Details
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