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Fair Value Measurements Financial Instruments (Details) (USD $) In Thousands, unless otherwise specified | Mar. 31, 2013 | Dec. 31, 2012
--- | --- | ---
LIABILITIES: |  |
Convertible senior subordinated notes due 2017 | $ 57,500 | $ 57,500
Convertible senior subordinated notes due 2018 | 86,250 | 0
Carrying (Reported) Amount, Fair Value Disclosure [Member] |  |
ASSETS: |  |
Cash, cash equivalents and restricted cash | 272,551 | 154,178
Mortgage loans held for sale | 57,721 | 71,121
Split dollar life insurance policies | 725 | 710
Notes receivable | 4,565 | 8,787
Commitments to extend real estate loans | 194 | 1
Forward sales of mortgage-backed securities | 0 | 253
LIABILITIES: |  |
Note payable - banks | 53,126 | 67,957
Mortgage notes payable | 10,316 | 11,105
Convertible senior subordinated notes due 2017 | 57,500 | 57,500
Convertible senior subordinated notes due 2018 | 86,250 | 0
Senior Notes | 227,770 | 227,670
Best efforts contracts for committed IRLCs and mortgage loans held for sale | 126 | 3
Forward sales of mortgage-backed securities | 77 | 0
Fair Value Disclosure, Off-balance Sheet Risks, Carying Value, Liability - Letters of Credit | 0 | 0
Estimate of Fair Value, Fair Value Disclosure [Member] |  |
ASSETS: |  |
Cash, cash equivalents and restricted cash | 272,551 | 154,178
Mortgage loans held for sale | 57,721 | 71,121
Split dollar life insurance policies | 700 | 678
Notes receivable | 3,758 | 7,460
Commitments to extend real estate loans | 194 | 1
Forward sales of mortgage-backed securities | 0 | 253
LIABILITIES: |  |
Note payable - banks | 53,126 | 67,957
Mortgage notes payable | 10,449 | 11,148
Convertible senior subordinated notes due 2017 | 72,234 | 74,175
Convertible senior subordinated notes due 2018 | 88,838 | 0
Senior Notes | 255,300 | 250,700
Best efforts contracts for committed IRLCs and mortgage loans held for sale | 126 | 3
Forward sales of mortgage-backed securities | 77 | 0
Fair Value Disclosure, Off-balance Sheet Risks, Fair Value, Liability - Letters of credit | $ 471 | $ 493

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