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Goodwill and Other Intangible Assets - Additional Information (Details) - USD ($) |  | 3 Months Ended | 6 Months Ended
--- | --- | --- | ---
Aug. 31, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Goodwill [Line Items] |  |  |  |  |
Goodwill impairment | $ 0 |  |  |  |
Impairment charges |  |  |  | $ 0 | $ 0
Amortization of intangibles |  | $ 6,060,000 | $ 7,170,000 | $ 12,246,000 | $ 11,981,000
Minimum | Core Deposits and Other Intangible Assets |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Estimated useful lives |  | 5 years |  | 5 years |
Maximum | Core Deposits and Other Intangible Assets |  |  |  |  |
Goodwill [Line Items] |  |  |  |  |
Estimated useful lives |  | 15 years |  | 15 years |

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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://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482686/350-30-45-2 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482665/350-30-50-2 + Details
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