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Core Deposits and Other Intangible Assets - Activity of Core Deposits and Other Intangible Assets (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Finite Lived Assets |  |  |
Amortization | $ (4,822) | $ (4,215) | $ (1,417)
Balance, end of year | 9,184 |  |
Total |  |  |
Balance, beginning of year | 15,806 | 8,250 | 9,667
Additions |  | 11,771 |
Amortization | (4,822) | (4,215) | (1,417)
Balance, ending of year | 10,984 | 15,806 | 8,250
Core Deposits Intangibles |  |  |
Finite Lived Assets |  |  |
Balance, beginning of year | 13,159 | 4,999 | 6,211
Additions |  | 11,327 |
Amortization | (4,538) | (3,167) | (1,212)
Balance, end of year | 8,621 | 13,159 | 4,999
Total |  |  |
Amortization | (4,538) | (3,167) | (1,212)
Customer Relationships |  |  |
Finite Lived Assets |  |  |
Balance, beginning of year | 748 | 1,451 | 1,656
Additions |  | 0 |
Amortization | (185) | (703) | (205)
Balance, end of year | 563 | 748 | 1,451
Total |  |  |
Amortization | (185) | (703) | (205)
Non-compete Agreements |  |  |
Finite Lived Assets |  |  |
Balance, beginning of year | 99 | 0 | 0
Additions |  | 444 |
Amortization | (99) | (345) | 0
Balance, end of year | 0 | 99 | 0
Total |  |  |
Amortization | (99) | (345) | 0
Tradenames |  |  |
Indefinite-Lived Assets |  |  |
Balance, beginning of year | 1,800 | 1,800 | 1,800
Additions |  | 0 |
Balance, end of year | $ 1,800 | $ 1,800 | $ 1,800

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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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