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Consolidated Statement of Changes in Equity (USD $) In Thousands, except Share data | Total | Common Stock | Additional Capital | Retained Earnings | Accumulated Other Comprehensive Income | Treasury Stock
--- | --- | --- | --- | --- | --- | ---
Balance, at Dec. 31, 2012 | $ 332,153 | $ 5,173 | $ 29,352 | $ 296,797 | $ 1,206 | $ (375)
Shares Issued, Beginning Balance (in shares) at Dec. 31, 2012 |  | 5,173,000 |  |  |  |
Net income | 27,301 |  |  | 27,301 |  |
Dividends paid | (28,094) |  |  | (28,094) |  |
Change in unrealized net gain on available-for-sale securities | 1,429 |  |  |  | 1,429 |
Deferred stock unit grant | 394 |  | 394 |  |  |
Other |  |  | (1) |  |  | 1
Change in value of interest rate cap | 0 |  |  |  |  |
Balance, at Jun. 30, 2013 | 333,183 | 5,173 | 29,745 | 296,004 | 2,635 | (374)
Shares Issued, Ending Balance (in shares) at Jun. 30, 2013 |  | 5,173,000 |  |  |  |
Balance, at Dec. 31, 2013 | 333,581 | 5,173 | 29,745 | 297,515 | 1,522 | (374)
Shares Issued, Beginning Balance (in shares) at Dec. 31, 2013 | 5,173,450 | 5,173,450 |  |  |  |
Net income | 32,072 |  |  | 32,072 |  |
Dividends paid | (33,213) |  |  | (33,213) |  |
Change in unrealized net gain on available-for-sale securities | 4,207 |  |  |  | 4,207 |
Deferred stock unit grant | 394 |  | 394 |  |  |
Change in value of interest rate cap | (153) |  |  |  | (153) |
Balance, at Jun. 30, 2014 | $ 336,888 | $ 5,173 | $ 30,139 | $ 296,374 | $ 5,576 | $ (374)
Shares Issued, Ending Balance (in shares) at Jun. 30, 2014 | 5,173,450 | 5,173,450 |  |  |  |

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