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Mortgage Servicing Rights, Net (Tables)	12 Months Ended
	Dec. 31, 2022
Mortgage Servicing [Abstract]
Schedule Of Servicing Assets At Fair Value [Table Text Block]	Year ended December 31 (Dollars in thousands) 2022 2021 Beginning balance $ 1,309 1,330 Additions, net 111 495 Amortization expense (269) (516) Ending balance $ 1,151 1,309 Valuation allowance included in MSRs, net: Beginning of period $ — — End of period — — Fair value of amortized MSRs: Beginning of period $ 1,908 1,489 End of period 2,369 1,908
Data And Assumptions Used In Fair Value Calculation Of MSRs [Table Text Block]	December 31 (Dollars in thousands) 2022 2021 Unpaid principal balance $ 234,349 255,310 Weighted average prepayment speed (CPR) 7.6 % 13.3 Discount rate (annual percentage) 9.5 % 9.5 Weighted average coupon interest rate 3.4 % 3.4 Weighted average remaining maturity (months) 256 260 Weighted average servicing fee (basis points) 25.0 25.0
Estimated Amortization Expense Of MSRs For Five Years [Table Text Block]	(Dollars in thousands) December 31, 2022 2023 $ 163 2024 142 2025 124 2026 107 2027 93

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Tabular disclosure of the activity in the balance of servicing assets (including a description of where changes in fair value are reported in the statement of income for each period for which results of operations are presented), including but not limited to, the following: beginning and ending balances, additions (for instance, through purchases of servicing assets), disposals, changes in fair value during the period resulting from changes in inputs or assumptions used in the valuation model, other changes in fair value along with a description of those changes, and other changes that affect the balance along with a description of those changes.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 860
-SubTopic 50
-Section 50
-Paragraph 3
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=128311188&loc=d3e122625-111746

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Tabular disclosure of the amount of amortization expense expected to be recorded in succeeding fiscal years for finite-lived intangible assets.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)
-URI https://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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