Goodwill and Other Intangible Assets - Summary of Other Intangible Assets (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Amortizable intangible assets:
Intangible asset - net	$ 8,560	$ 12,836
Amortization expense	4,277	5,553	$ 6,856
Estimated amortization expense
For the year ending December 31, 2023	3,270
For the year ending December 31, 2024	2,452
For the year ending December 31, 2025	1,662
For the year ending December 31, 2026	871
For the year ending December 31, 2027	305
Core Deposits
Amortizable intangible assets:
Intangible asset - gross	74,899	74,899
Less: accumulated amortization	(66,367)	(62,158)
Intangible asset - net	8,532	12,741
Customer and Contract
Amortizable intangible assets:
Intangible asset - gross	12,775	12,775
Acquisitions (disposals)	0	(1,547)
Less: accumulated amortization	(12,747)	(11,133)
Intangible asset - net	$ 28	$ 95

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

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of amortization for assets, excluding financial assets and goodwill, lacking physical substance with finite life expected to be recognized in fifth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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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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