XML 19 R54.htm IDEA: XBRL DOCUMENT
v2.4.0.6

International Bancshares Corporation (Parent Company Only) Financial Information Statements of Condition (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2011
International Bancshares Corporation (Parent Company Only) Financial Information Statements of Condition |
Schedule of condensed statements of condition of Parent Company |
(Dollars in Thousands)
|  | 2011 |  | 2010 |
--- | --- | --- | --- | --- | ---
ASSETS |  |  |  |  |  |  |
Cash |  | $ | 13,668 |  | $ | 24,414 |
Other investments |  |  | 70,318 |  |  | 65,485 |
Notes receivable |  |  | 495 |  |  | 250 |
Investment in subsidiaries |  |  | 1,712,336 |  |  | 1,577,038 |
Other assets |  |  | 1,567 |  |  | 3,874 |
Total assets |  | $ | 1,798,384 |  | $ | 1,671,061 |
LIABILITIES AND SHAREHOLDERS' EQUITY |  |  |  |  |  |  |
Liabilities: |  |  |  |  |  |  |
Junior subordinated deferrable interest debentures |  | $ | 190,726 |  | $ | 201,117 |
Due to IBC Trading |  |  | 21 |  |  | 21 |
Other liabilities |  |  | 7,472 |  |  | 10,706 |
Total liabilities |  |  | 198,219 |  |  | 211,844 |
Shareholders' equity: |  |  |  |  |  |  |
Preferred shares |  |  | 210,548 |  |  | 208,068 |
Common shares |  |  | 95,720 |  |  | 95,711 |
Surplus |  |  | 162,767 |  |  | 162,276 |
Retained earnings |  |  | 1,302,964 |  |  | 1,214,743 |
Accumulated other comprehensive income |  |  | 84,959 |  |  | 28,777 |
|  |  | 1,856,958 |  |  | 1,709,575 |
Less cost of shares in treasury |  |  | (256,793 | ) |  | (250,358 | )
Total shareholders' equity |  |  | 1,600,165 |  |  | 1,459,217 |
Total liabilities and shareholders' equity |  | $ | 1,798,384 |  | $ | 1,671,061 |

X
- Definition Tabular disclosure of condensed statements of condition of the registrant (parent company) as of the same dates or for the same periods for which audited consolidated financial statements are being presented. Alternatively, the details of this disclosure can be reported by the specific parent company taxonomy elements, indicating the appropriate date and period contexts in an instance document. + References No definition available. + Details
Name: | iboc_CondensedStatementsOfConditionOfParentCompanyOnlyTableTextBlock
Namespace Prefix: | iboc_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | iboc_FinancialInformationStatementsOfConditionDisclosureAbstract
Namespace Prefix: | iboc_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration