XML 58 R42.htm IDEA: XBRL DOCUMENT
v3.6.0.2

Deposits (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2016
Deposits [Abstract] |
Deposits | Deposits at December 31 are summarized as follows:
(Dollars in thousands) | 2016 |  | 2015
Demand | $ | 10,130,549 |  |  | $ | 9,274,470 |
Checking with interest | 4,919,727 |  |  | 4,445,353 |
Money market accounts | 8,193,392 |  |  | 8,205,705 |
Savings | 2,099,579 |  |  | 1,909,021 |
Time | 2,818,096 |  |  | 3,096,206 |
Total deposits | $ | 28,161,343 |  |  | $ | 26,930,755 |
Maturities Of Time Deposits | At December 31, 2016, the scheduled maturities of time deposits were:
(Dollars in thousands) | Year ended December 31
2017 | $ | 1,984,571 |
2018 | 435,823 |
2019 | 175,359 |
2020 | 154,294 |
2021 | 68,046 |
Thereafter | 3 |
Total time deposits | $ | 2,818,096 |

X
- Definition Deposits [Table Text Block] + References No definition available. + Details
Name: | fcnca_DepositsTableTextBlock
Namespace Prefix: | fcnca_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- Definition Maturities Of Time Deposits [Table Text Block] + References No definition available. + Details
Name: | fcnca_MaturitiesOfTimeDepositsTableTextBlock
Namespace Prefix: | fcnca_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DepositsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration