XML 76 R47.htm IDEA: XBRL DOCUMENT v3.20.4

Federal Home Loan Bank Advances (Tables)

12 Months Ended

Dec. 31, 2020

Advances From Federal Home Loan Banks [Abstract]

Scheduled Principal Reductions of Federal Home Loan Bank Advances Outstanding

Scheduled principal reductions of FHLB advances outstanding at December 31, 2020 were as follows:

2029		$	125,000
Total		$	125,000

X

- Definition

Federal Home Loan Bank, Advances, Maturities Summary [Text Block]

+ References

No definition available.

+ Details

Name:	civb_ScheduleOfPrincipalRepaymentOfFederalHomeLoanBankAdvancesTableTextBlock
Namespace Prefix:	civb_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	us-gaap_AdvancesFromFederalHomeLoanBanksAbstract
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration