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Goodwill, Core Deposit Intangible and Other Intangible Assets - Summary of Changes in Goodwill and Core Deposit Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule Of Goodwill And Intangible Assets [Line Items] |  |  |
Beginning balance, Goodwill | $ 181,705 | $ 148,353 | $ 148,353
Additions |  | 33,352 |
Ending balance, Goodwill | 181,705 | 181,705 | 148,353
Amortization or accretion | (5,380) | (6,011) | (6,671)
Core Deposits |  |  |
Schedule Of Goodwill And Intangible Assets [Line Items] |  |  |
Beginning balance | 20,393 | 8,886 | 15,004
Additions |  | 17,250 |
Amortization or accretion | (5,112) | (5,743) | (6,118)
Ending balance | 15,281 | 20,393 | 8,886
Accumulated amortization or accretion | $ 57,435 | $ 52,323 | $ 46,580
Weighted average remaining amortization or accretion period | 7 years 7 months 6 days | 8 years 3 months 18 days | 4 years 4 months 24 days
Customer Relationships |  |  |
Schedule Of Goodwill And Intangible Assets [Line Items] |  |  |
Beginning balance | $ 1,380 | $ 1,648 | $ 2,201
Amortization or accretion | (268) | (268) | (553)
Ending balance | 1,112 | 1,380 | 1,648
Accumulated amortization or accretion | $ 2,104 | $ 1,836 | $ 1,568
Weighted average remaining amortization or accretion period | 4 years 2 months 12 days | 5 years 2 months 12 days | 6 years 2 months 12 days

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 28 -Subparagraph (b) -SubTopic 10 -Topic 230 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482740/230-10-45-28 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 55 -Paragraph 40 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482640/350-30-55-40 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482665/350-30-50-2 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 350 -SubTopic 30 -Name Accounting Standards Codification -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482686/350-30-45-2 + Details
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