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Loans Receivable and Allowance for Loan Losses (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Participation interest in loans originated	$ 159,300,000	$ 196,300,000
Non-accrual loans, interest income lost	1,000,000.0	1,300,000
Loans returned to accrual, interest income	1,600,000	1,200,000
Loans acquired with deteriorated credit quality, fair value	0	668,000
Total Loans	3,082,418,000	2,343,937,000
Loans Receivable >90 Days and Accruing	0	3,124,000
Substandard [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Loans	$ 17,800,000	$ 39,200,000

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- Definition

Nonaccrual Loans, Interest Income, Cash Basis Method

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Participation Interest In Loans Originated

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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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- Definition

Fair value at acquisition of acquired loans accounted for as debt securities with evidence of deterioration of credit quality.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 30
-Section 50
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- Definition

Amortized cost of financing receivable 90 days or more past due and still accruing. Excludes net investment in lease.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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Amount before allowance of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Includes deferred interest and fees, undisbursed portion of loan balance, unamortized costs and premiums and discounts from face amounts. Excludes loans and leases covered under loss sharing agreements.

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Reflects the amount of additional interest income that would have been recorded if impaired or nonperforming loans were instead current, in compliance with their original terms, and outstanding throughout the reporting period or since origination (if held for part of the period).

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