XML 97 R88.htm IDEA: XBRL DOCUMENT v3.23.2

Commitments and Contingencies - Schedule of Total Unfunded Commitments (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Commitment And Contingencies [Line Items]
Total unfunded commitments	$ 1,939,580	$ 2,008,337
Unfunded loan commitment reserves [Member]
Commitment And Contingencies [Line Items]
Total unfunded commitments	1,013,207	1,124,942
Credit Card Lines of Credit [Member]
Commitment And Contingencies [Line Items]
Total unfunded commitments	6,676	7,167
Unfunded Commitment Line Of Credit [Member]
Commitment And Contingencies [Line Items]
Total unfunded commitments	907,421	862,369
Commercial And Standby Letters Of Credit [Member]
Commitment And Contingencies [Line Items]
Total unfunded commitments	$ 12,276	$ 13,859

X

- Definition

Commitment And Contingencies [Line Items]

+ References

No definition available.

+ Details

Name:	nbhc_CommitmentAndContingenciesLineItems
Namespace Prefix:	nbhc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Unfunded Loan Commitments.

+ References

No definition available.

+ Details

Name:	nbhc_UnfundedLoanCommitments
Namespace Prefix:	nbhc_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=us-gaap_UnfundedLoanCommitmentMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=nbhc_CreditCardLinesOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=nbhc_UnfundedCommitmentLineOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_FinancialInstrumentAxis=nbhc_CommercialAndStandbyLettersOfCreditMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: