Supplemental cash flow disclosures for the six months ended June 30, 2012 and 2011 are as follows (in thousands): | | | | | | | | | | | | Six Months Ended June 30, | | | 2012 | | 2011 | Supplemental Disclosures of Non-Cash Investing and Financing Activities | | | | | Distributions declared and unpaid | | $ | 10,766 |
| | $ | 10,772 |
| Common stock issued through the DRIP Offering | | $ | 28,974 |
| | $ | 29,947 |
| Net unrealized loss on marketable securities | | $ | — |
| | $ | (1,713 | ) | Reclassification of unrealized gain on marketable securities into net income | | $ | — |
| | $ | 14,654 |
| Net unrealized gain (loss) on interest rate swaps | | $ | 788 |
| | $ | (697 | ) | Accrued capital expenditures | | $ | 1,138 |
| | $ | 57 |
| Accrued deferred financing costs | | $ | 139 |
|
| $ | — |
| Supplemental Cash Flow Disclosures: | | | | | Interest paid | | $ | 49,803 |
| | $ | 49,085 |
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