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Condensed Consolidated Statement of Operations (USD $) In Thousands, except Share data, unless otherwise specified | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2013 | Sep. 30, 2012 | Sep. 30, 2013 | Sep. 30, 2012
Net interest income: |  |  |  |
Interest income from securities | $ 2,533 | $ 3,674 | $ 8,634 | $ 12,227
Interest income from commercial mortgage loans | 4,954 | 2,825 | 12,222 | 7,851
Interest income from subordinate loans | 12,184 | 6,144 | 35,137 | 17,316
Interest income from repurchase agreements |  | 2,361 | 2 | 5,920
Interest expense | (885) | (1,768) | (2,909) | (6,939)
Net interest income | 18,786 | 13,236 | 53,086 | 36,375
Operating expenses: |  |  |  |
General and administrative expenses (includes $784 and $2,095 of equity based compensation in 2013 and $1,276 and $3,244 in 2012, respectively) | (1,793) | (2,430) | (5,126) | (7,229)
Management fees to related party | (2,625) | (1,518) | (7,384) | (4,099)
Total operating expenses | (4,418) | (3,948) | (12,510) | (11,328)
Interest income from cash balances | 3 |  | 19 | 1
Realized gain on sale of securities |  |  |  | 262
Unrealized gain (loss) on securities | (1,472) | 3,010 | (3,973) | 6,473
Loss on derivative instruments (includes $25 and $155 of unrealized gains in 2013 and $40 and $228 of unrealized gains in 2012, respectively) | 1 | (87) | (1) | (569)
Net income | 12,900 | 12,211 | 36,621 | 31,214
Preferred dividends | (1,859) | (1,219) | (5,580) | (1,219)
Net income available to common stockholders | $ 11,041 | $ 10,992 | $ 31,041 | $ 29,995
Basic and diluted net income per share of common stock | $ 0.29 | $ 0.52 | $ 0.88 | $ 1.43
Basic weighted average shares of common stock outstanding | 36,883,002 | 20,571,478 | 34,647,941 | 20,567,772
Diluted weighted average shares of common stock outstanding | 37,379,469 | 20,992,312 | 35,103,285 | 20,983,429
Dividend declared per share of common stock | $ 0.40 | $ 0.40 | $ 1.20 | $ 1.20

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