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v3.23.1

Other Real Estate Owned (Tables) | 3 Months Ended
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Mar. 31, 2023
Other Real Estate Owned |
Summary of Activity in OREO Balances | A summary of the activity in other real estate owned (“OREO”) during the three months ended March 31, 2023 and 2022 is as follows: ​
​ | ​ | ​ | ​ | ​ | ​
​ | For the three months ended March 31,
​ | 2023 | ​ | 2022
Beginning balance | $ | 3,731 |  | $ | 7,005
Transfers from loan portfolio, at fair value |  | — | ​ |  | 39
Impairments |  | (13) | ​ |  | (188)
Sales |  | (260) | ​ |  | (1,793)
Ending balance | $ | 3,458 | ​ | $ | 5,063
​

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- Definition Summary Of Activity Related To Other Real Estate Owned [Table Text Block] + References No definition available. + Details
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Namespace Prefix: | nbhc_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration

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