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Goodwill and Intangible Assets - Narrative (Details) $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023 USD ($)	Mar. 31, 2022 USD ($)	Dec. 31, 2022 USD ($)
Goodwill and Intangible Assets
Goodwill acquired	$ 279,132		$ 279,132
Goodwill Impairment	0		$ 0
Mortgage loans serviced	800,000	$ 800,000
Mortgage service income	$ 500	$ 500
Core Deposits | Maximum
Goodwill and Intangible Assets
Amortization period	10 years
MSRs | Discount Rate | Minimum
Goodwill and Intangible Assets
Servicing assets measurement input (as a percent)	0.100	0.095
MSRs | Discount Rate | Maximum
Goodwill and Intangible Assets
Servicing assets measurement input (as a percent)	0.105	0.100
MSRs | Constant Prepayment Speed | Minimum
Goodwill and Intangible Assets
Servicing assets measurement input (as a percent)	0.079	0.077
MSRs | Constant Prepayment Speed | Maximum
Goodwill and Intangible Assets
Servicing assets measurement input (as a percent)	0.182	0.130
Small Business Administration ("SBA") servicing rights
Goodwill and Intangible Assets
Fee income	$ 400
Loans serviced	$ 110,900
Small Business Administration ("SBA") servicing rights | Discount Rate
Goodwill and Intangible Assets
Servicing assets measurement input (as a percent)	0.1334
Small Business Administration ("SBA") servicing rights | Constant Prepayment Speed
Goodwill and Intangible Assets
Servicing assets measurement input (as a percent)	0.1240

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Mortgage loans serviced for others.

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Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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 loss from the write-down of an asset representing the 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 after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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