Goodwill and Intangibles - Summary of Changes in Carrying Amount of Goodwill and Core Deposit Intangible (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Goodwill
Goodwill beginning balance	$ 81,517	$ 58,488	$ 58,488
Friendswood acquisition		23,029
Goodwill ending balance	81,517	81,517	58,488
CDI
Core deposit intangibles beginning balance	6,456	3,461	4,624
Amortization of intangibles	(1,601)	(1,602)	(1,163)
Friendswood acquisition		4,597
Core deposit intangibles ending balance	$ 4,855	$ 6,456	$ 3,461
Weighted average useful life (in years)	11 years

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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.

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Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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