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Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified | Jun. 30, 2013 | Dec. 31, 2012
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Condensed Consolidated Balance Sheets |  |
Acquired real estate leases, accumulated amortization | $ 51,938 | $ 40,062
Tenant rent receivables, allowance for doubtful accounts | 110 | 1,300
Straight-line rent receivable, allowance for doubtful accounts | 135 | 135
Office computers and furniture, accumulated depreciation | 658 | 584
Deferred leasing commissions, accumulated amortization | 13,325 | 11,812
Acquired unfavorable real estate leases, accumulated amortization | $ 5,644 | $ 4,870
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) | 100,187,405 | 82,937,405
Common stock, shares outstanding (in shares) | 100,187,405 | 82,937,405

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