Debt Securities, Available-For-Sale, Accrued Interest Receivable

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- Definition

Debt Securities, Held-To-Maturity, Accrued Interest Receivable

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- Definition

Financing Receivable, Accrued Interest Receivable

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- Definition

Financing Receivable, Allowance For Credit Loss, Deferral Period

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Financing Receivable, Allowance For Credit Loss, Phase In Of Impact Of Adoption, Percent

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- Definition

Represents the number of banking locations in which the entity operates.

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- Definition

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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- Definition

Amount of allowance for credit loss on financing receivable. Excludes allowance for financing receivable covered under loss sharing agreement.

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- Definition

The face amount of loans that will be sold to other entities.

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- Definition

Amount of expected credit loss for credit exposure on off-balance-sheet commitment, including but not limited to, loan commitment, standby letter of credit, financial guarantee not accounted for as insurance. Excludes off-balance sheet credit exposure accounted for as insurance and instrument accounted for under derivatives and hedging.

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The cumulative amount of the reporting entity's undistributed earnings or deficit.

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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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Amount of unrecognized tax benefits.

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Basis of Presentation and Informational Disclosures (Details)		3 Months Ended
	Jan. 01, 2020 USD ($)	Mar. 31, 2020 USD ($) bank	Mar. 31, 2019 USD ($)	Dec. 31, 2019 USD ($)	Dec. 31, 2018 USD ($)
Stock Related Compensation
Number of banking locations \| bank		178
Stock-based compensation expense		$ 1,500,000	$ 1,200,000
Unrecognized tax benefits liability		0
Allowance for loan losses		92,897,000	55,721,000	$ 57,941,000	$ 55,214,000
Retained earnings		561,380,000		583,407,000
Accrued interest receivable on held-to-maturity debt securities		1,300,000		1,500,000
Accrued interest receivable on available-for-sale debt securities		1,000,000.0		900,000
Accrued Interest receivable on loans		23,200,000		23,300,000
Loans held-for-sale		6,426,000		7,709,000
Accounting Standards Update 2016-13
Stock Related Compensation
Allowance for loan losses	$ 10,800,000
Reserve for off-balance sheet exposures	2,300,000
Deferred tax assets	2,900,000
Retained earnings	$ 9,600,000
Deferral period	2 years
Phase in of impact of adoption, percent	25.00%
Employee Stock Option
Stock Related Compensation
Compensation expense yet to be recognized		3,300,000
Common stock
Stock Related Compensation
Compensation expense yet to be recognized		16,300,000
Acquired
Stock Related Compensation
Allowance for loan losses		10,466,000	4,010,000	6,502,000	3,463,000
Acquired \| Accounting Standards Update 2016-13
Stock Related Compensation
Allowance for loan losses	$ 517,000
Personal Banking
Stock Related Compensation
Allowance for loan losses		37,619,000		18,356,000
Personal Banking \| Acquired
Stock Related Compensation
Allowance for loan losses			945,000		850,000
Residential mortgage loans \| Personal Banking
Stock Related Compensation
Allowance for loan losses		10,673,000		2,574,000
Loans held-for-sale		$ 6,400,000	0	$ 7,700,000
Residential mortgage loans \| Personal Banking \| Acquired
Stock Related Compensation
Allowance for loan losses			$ 92,000		$ 83,000
January 1, 2022 \| Accounting Standards Update 2016-13
Stock Related Compensation
Phase in of impact of adoption, percent	25.00%
Each Subsequent Year Beginning January 1, 2023 \| Accounting Standards Update 2016-13
Stock Related Compensation
Phase in of impact of adoption, percent	25.00%