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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data | Sep. 30, 2011 | Dec. 31, 2010
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Condensed Consolidated Balance Sheets |  |
Acquired real estate leases, accumulated amortization | $ 26,668 | $ 19,294
Tenant rent receivables, allowance for doubtful accounts | 1,235 | 1,600
Straight-line rent receivable, allowance for doubtful accounts | 135 | 700
Office computers and furniture, accumulated depreciation | 629 | 493
Deferred leasing commissions, accumulated amortization | 8,619 | 7,175
Acquired unfavorable real estate leases, accumulated amortization | $ 3,391 | $ 2,744
Preferred stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Preferred stock, shares authorized (in shares) | 20,000,000 | 20,000,000
Preferred stock, shares issued (in shares) | 0 | 0
Preferred stock, shares outstanding (in shares) | 0 | 0
Common stock, par value (in dollars per share) | $ 0.0001 | $ 0.0001
Common stock, shares authorized (in shares) | 180,000,000 | 180,000,000
Common stock, shares issued (in shares) | 82,937,405 | 81,437,405
Common stock, shares outstanding (in shares) | 82,937,405 | 81,437,405

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