XML 55 R23.htm IDEA: XBRL DOCUMENT
v2.4.0.6

Receivable from FDIC for Loss Share Agreements (Tables) | 9 Months Ended
--- | ---
Sep. 30, 2012
Receivable From FDIC For Loss Share Agreements [Abstract] |
Changes in Receivable From FDIC | The following table provides changes in the receivable from the FDIC for the three- and nine-month periods ended September 30, 2012 and 2011:
| Three Months Ended September 30 |  | Nine Months Ended September 30
| 2012 |  | 2011 |  | 2012 |  | 2011
Balance at beginning of period | $ | 313,978 |  |  | $ | 522,507 |  |  | $ | 539,511 |  |  | $ | 623,261 |
Additional receivable from acquisitions | — |  |  | 159,753 |  |  | — |  |  | 295,053 |
Accretion of discounts and premiums, net | (26,476 | ) |  | (27,448 | ) |  | (71,017 | ) |  | (26,034 | )
Receipt of payments from FDIC | (31,765 | ) |  | (27,872 | ) |  | (223,863 | ) |  | (239,800 | )
Post-acquisition and other adjustments, net | (11,844 | ) |  | (19,033 | ) |  | (738 | ) |  | (44,573 | )
Balance at September 30 | $ | 243,893 |  |  | $ | 607,907 |  |  | $ | 243,893 |  |  | $ | 607,907 |

X
- Definition Changes in Receivable From FDIC + References No definition available. + Details
Name: | fcnca_ChangesInReceivableFromFdicTableTextBlock
Namespace Prefix: | fcnca_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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