Loans (Activity in Allowance for Loan Losses Prior to January 1, 2020) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	$ 46,859	$ 16,278	$ 15,823
Provision for Loan Losses	(6,500)	17,550	5,325
Recoveries	493	514	532
Loans Charged-off	(3,835)	(3,136)	(5,402)
Total Ending Allowance Balance	37,017	46,859	16,278
Commercial and Industrial Loans and Leases
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance		4,799	2,953
Provision for Loan Losses			5,600
Recoveries			56
Loans Charged-off			(3,810)
Total Ending Allowance Balance			4,799
Commercial Real Estate Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	29,878	4,692	5,291
Provision for Loan Losses	(10,663)	17,645	(308)
Recoveries	40	129	29
Loans Charged-off	(10)	(36)	(320)
Total Ending Allowance Balance	19,245	29,878	4,692
Agricultural Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	6,756	5,315	5,776
Provision for Loan Losses	(2,251)	(125)	(461)
Recoveries	0	0	0
Loans Charged-off	0	0	0
Total Ending Allowance Balance	4,505	6,756	5,315
Home Equity Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	996	200	229
Provision for Loan Losses	44	66	(27)
Recoveries	36	0	8
Loans Charged-off	(15)	(67)	(10)
Total Ending Allowance Balance	1,061	996	200
Consumer Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	490	434	420
Provision for Loan Losses	385	527	727
Recoveries	307	354	432
Loans Charged-off	(675)	(766)	(1,145)
Total Ending Allowance Balance	507	490	434
Residential Mortgage Loans
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	1,944	333	472
Provision for Loan Losses	(227)	(95)	(29)
Recoveries	33	4	7
Loans Charged-off	(45)	(39)	(117)
Total Ending Allowance Balance	1,705	1,944	333
Unallocated
Allowance for Loan and Lease Losses [Roll Forward]
Beginning Balance	0	505	682
Provision for Loan Losses	0	0	(177)
Recoveries	0	0	0
Loans Charged-off	0	0	0
Total Ending Allowance Balance	$ 0	$ 0	$ 505

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount excluding accrued interest, of allowance for credit loss on financing receivable.

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- Definition

Amount of increase in allowance for credit loss on financing receivable from recovery.

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Amount of writeoff of financing receivable, charged against allowance for credit loss.

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Amount of credit loss expense (reversal of expense) for financing receivable.

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