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Summary of Significant Accounting Policies - Concentrations of Credit Risk (Details) - Concentrations of Credit Risk $ in Thousands	Dec. 31, 2021 USD ($) item
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold (as a percent)	25.00%
Loans.
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	$ 860,600
Number of credit concentrations for non-acquired credit impaired loans | item	7
Loans. | Loans on hotels and motels
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	$ 892,600
Loans. | Lessors of nonresidential buildings
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	4,700,000
Loans. | Lessors of residential and buildings
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	1,300,000
Loans. | Loans on owner occupied office buildings
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	1,800,000
Loans. | Other holding companies
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	1,700,000
Loans. | Loans secured by jumbo
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	4,100,000
Amount loaned	548,250
Loans. | 1 to 4 family owner occupied residential property
Concentrations of Credit Risk
Concentration risk threshold, total risk-based capital threshold	$ 1,600,000

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- Definition

Represents the concentration amount, for the entity that discloses a concentration risk in relation to quantitative amount, which serves as a benchmark (or denominator) in the equation.

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No definition available.

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- Definition

Represents the number of credit concentrations meeting threshold for concentration of risk.

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No definition available.

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- Definition

Represents the threshold amount for determining concentration of risk.

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No definition available.

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- Definition

Represents the threshold percentage for determining concentration of risk.

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No definition available.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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