Note 3. Investment Securities: Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value (Details) (USD $) | 6 Months Ended | 12 Months Ended |
In Thousands, unless otherwise specified | Jun. 30, 2014 | Dec. 31, 2013 |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | $106,072 | $335,792 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 1,562 | 14,937 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 211,224 | 63,529 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 6,765 | 5,132 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 317,296 | 399,321 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 8,327 | 20,069 |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Less than One Year | 49 | 126 |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions, Greater than or Equal to One Year | 67 | 27 |
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions | 116 | 153 |
Domestic Corporate Debt Securities | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 37,147 | 124,531 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 572 | 5,340 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 78,183 | 21,070 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 2,707 | 2,127 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 115,330 | 145,601 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 3,279 | 7,467 |
Residential Mortgage Backed Securities Member | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 1,770 | 2,047 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 6 | 8 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 1,770 | 2,047 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 6 | 8 |
Commercial Mortgage Backed Securities | ' | ' |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 906 | 593 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 69 | 382 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 906 | 593 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 69 | 382 |
US Government-sponsored Enterprises Debt Securities | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 13,395 | 22,731 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 133 | 123 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 5,614 | 5,360 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 126 | 217 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 19,009 | 28,091 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 259 | 340 |
US States and Political Subdivisions Debt Securities | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 34,752 | 149,704 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 482 | 7,312 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 102,168 | 32,983 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 2,560 | 2,065 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 136,920 | 182,687 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 3,042 | 9,377 |
Foreign Government Debt | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 16,608 | 27,587 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 293 | 1,766 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 24,353 | 3,523 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 1,303 | 341 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 40,961 | 31,110 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 1,596 | 2,107 |
Debt Securities | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 103,672 | 330,578 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 1,486 | 14,833 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value | 211,224 | 63,529 |
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Loss | 6,765 | 5,132 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 314,896 | 394,107 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 8,251 | 19,965 |
COMMON STOCK | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 2,400 | 2,589 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 76 | 70 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,400 | 2,589 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 76 | 70 |
Equity Securities | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | 2,400 | 5,214 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | 76 | 104 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | 2,400 | 5,214 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | 76 | 104 |
US Treasury Securities | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | ' | 493 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | ' | 6 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | ' | 493 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | ' | 6 |
Redeemable Preferred Stock | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | ' | 3,485 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | ' | 278 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | ' | 3,485 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | ' | 278 |
Nonredeemable Preferred Stock | ' | ' |
Available For Sale Securities Continuous Unrealized Loss Position Less Than Twelve Months Fair Value | ' | 2,625 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Loss | ' | 34 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value | ' | 2,625 |
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Loss | ' | $34 |