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Loans Receivable and Allowance for Loan Losses (Loan Portfolio Summarized by the Past Due Status) (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financing Receivable, Past Due [Line Items]
Loans	$ 1,577,983	$ 1,474,424
Non-Accrual	3,223	1,113
Total Past Due and Non-Accrual	5,732	3,221
Purchased Credit-Impaired [Member]
Financing Receivable, Past Due [Line Items]
Loans		6,290
Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	1,572,251	1,464,913
Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	2,255	1,646
Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	254	462
Residential Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	307,462	298,813
Non-Accrual	572	486
Total Past Due and Non-Accrual	1,361	896
Residential Real Estate Loans [Member] | Purchased Credit-Impaired [Member]
Financing Receivable, Past Due [Line Items]
Loans		567
Residential Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	306,101	297,350
Residential Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	741	187
Residential Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	48	223
Commercial Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	670,353	651,544
Non-Accrual	1,946	402
Total Past Due and Non-Accrual	2,032	807
Commercial Real Estate Loans [Member] | Purchased Credit-Impaired [Member]
Financing Receivable, Past Due [Line Items]
Loans		2,049
Commercial Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	668,321	648,688
Commercial Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	60	405
Commercial Real Estate Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	26
Agricultural Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	67,729	68,915
Total Past Due and Non-Accrual		130
Agricultural Real Estate Loans [Member] | Purchased Credit-Impaired [Member]
Financing Receivable, Past Due [Line Items]
Loans		2,034
Agricultural Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	67,729	66,751
Agricultural Real Estate Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans		130
Construction Real Estate Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	38,245	32,469
Construction Real Estate Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	38,245	32,469
Commercial Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	211,714	187,257
Non-Accrual	116	61
Total Past Due and Non-Accrual	546	132
Commercial Loans [Member] | Purchased Credit-Impaired [Member]
Financing Receivable, Past Due [Line Items]
Loans		1,640
Commercial Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	211,168	185,485
Commercial Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	430	71
Other Agricultural Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	34,722	35,277
Total Past Due and Non-Accrual	254
Other Agricultural Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	34,468	35,277
Other Agricultural Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	254
Consumer Loans [Member]
Financing Receivable, Past Due [Line Items]
Loans	247,758	200,149
Non-Accrual	589	164
Total Past Due and Non-Accrual	1,539	1,256
Consumer Loans [Member] | Financial Asset, Not Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	246,219	198,893
Consumer Loans [Member] | Financing Receivables, 31 to 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	770	853
Consumer Loans [Member] | Financing Receivables, 61 to 90 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Loans	$ 180	$ 239

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