Loans Receivable and Allowance for Loan Losses (Allowance for Loan Losses and Recorded Investment in Financing Receivables) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	$ 16,999	$ 16,442	$ 16,442
Impact of adopting ASC 326			2,466
Charge Offs	(364)	(182)
Recoveries	44	100
Provision for credit losses	300	300
Ending balance,	19,445	16,660	16,999
Ending balance individually evaluated for impairment	1	1,659
Ending balance collectively evaluated for impairment	19,444	15,001
Residential Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	2,833	2,175	2,175
Impact of adopting ASC 326			(1,545)
Charge Offs		(115)
Recoveries	6	2
Provision for credit losses	65	264
Ending balance,	1,359	2,326	2,833
Ending balance collectively evaluated for impairment	1,359	2,326
Commercial Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	8,293	10,878	10,878
Impact of adopting ASC 326			5,527
Charge Offs	(112)
Recoveries	6	74
Provision for credit losses	11	(665)
Ending balance,	13,725	10,287	8,293
Ending balance individually evaluated for impairment		1,643
Ending balance collectively evaluated for impairment	13,725	8,644
Farmland [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	259
Impact of adopting ASC 326			(200)
Provision for credit losses	62	504
Ending balance,	121	504	259
Ending balance collectively evaluated for impairment	121	504
Construction Real Estate Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	409	133	133
Impact of adopting ASC 326			388
Provision for credit losses	(94)	1
Ending balance,	703	134	409
Ending balance collectively evaluated for impairment	703	134
Commercial Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	2,445	1,490	1,490
Impact of adopting ASC 326			(1,156)
Charge Offs	(50)	(15)
Recoveries	6	9
Provision for credit losses	(87)	11
Ending balance,	1,158	1,495	2,445
Ending balance individually evaluated for impairment	1	16
Ending balance collectively evaluated for impairment	1,157	1,479
Other Agricultural [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	124
Impact of adopting ASC 326			3
Provision for credit losses	(45)	292
Ending balance,	82	292	124
Ending balance collectively evaluated for impairment	82	292
Consumer Loans [Member]
Financing Receivable, Allowance for Credit Loss [Line Items]
Beginning balance,	2,636	1,766	1,766
Impact of adopting ASC 326			(551)
Charge Offs	(202)	(52)
Recoveries	26	15
Provision for credit losses	388	(107)
Ending balance,	2,297	1,622	$ 2,636
Ending balance collectively evaluated for impairment	$ 2,297	$ 1,622

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

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The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment.

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