|
Consolidated Statement of Stockholders' Equity (USD $)
In Thousands, unless otherwise specified |
Total
|
COMMON STOCK
|
ADDITIONAL PAID IN CAPITAL
|
RETAINED EARNINGS
|
ACCUMULATED OTHER COMPREHENSIVE INCOME
|
TREASURY STOCK
|
|---|---|---|---|---|---|---|
| Beginning of period at Dec. 31, 2013 | $ 725,404 | $ 23,121 | $ 40,989 | $ 823,408 | $ 14,170 | $ (176,284) |
| Increase (Decrease) in Stockholders' Equity [Roll Forward] | ||||||
| Excess of proceeds over cost of treasury stock sold | 14 | |||||
| Net income | 21,749 | 21,749 | ||||
| Stockholder dividends of $0.81 per share | (8,883) | |||||
| Other comprehensive income | 23,035 | 23,035 | ||||
| Cost of 80,127 shares acquired | (3,661) | |||||
| Cost of 427 shares sold | 6 | |||||
| End of period at Sep. 30, 2014 | $ 757,664 | $ 23,121 | $ 41,003 | $ 836,274 | $ 37,205 | $ (179,939) |