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Stock-based Compensation and Benefits - Narrative (Details) - USD ($) | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Stock options [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock based compensation expense | $ 100,000 | $ 100,000
Unrecognized compensation expense | $ 400,000 |
Unrecognized compensation cost, weighted-average period, years | 2 years |
Stock options [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Award Vesting Rights, Percentage | 33.30% |
Restricted Stock [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock based compensation expense | $ 900,000 | 600,000
Restricted Stock [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrecognized compensation expense | $ 2,500,000 |
Unrecognized compensation cost, weighted-average period, years | 2 years |
Performance stock units |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Stock based compensation expense | $ 400,000 | $ 400,000
Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Unrecognized compensation expense | $ 2,100,000 |
Unrecognized compensation cost, weighted-average period, years | 1 year 7 months 6 days |
Performance period | 3 years |
Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] | EPS target |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of awards based on performance type | 60.00% |
Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] | TSR target |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of awards based on performance type | 40.00% |
Employee Stock [Member] | Employee Stock Purchase Plan 2014 [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Maximum stock purchases by employees, value | $ 25,000 |
Maximum stock purchases by employees (in shares) | 2,000 |
Discount on purchase of common stock (as a percent) | 90.00% |
Offering period for employee stock purchases | 6 months |
Number of shares authorized | 400,000 |
Shares available for issuance | 252,741 |
Employees purchased shares (in shares) | 9,741 | 8,028
Minimum [Member] | Stock options [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period | 1 year |
Minimum [Member] | Restricted Stock [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period | 1 year |
Minimum [Member] | Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of initial target awards | 0.00% |
Maximum [Member] | Stock options [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period | 4 years |
Contractual term (in years) | 10 years |
Maximum [Member] | Restricted Stock [Member] | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Vesting period | 3 years |
Maximum [Member] | Performance stock units | NBH Holdings Corp. 2014 Omnibus Incentive Plan [Member] |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |
Percentage of initial target awards | 150.00% |

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- Definition Amount of expense for award under share-based payment arrangement. Excludes amount capitalized. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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- Definition Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901 + Details
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