Leases and Commitments - Narrative (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
New Accounting Pronouncements or Change in Accounting Principle
Operating lease right-of-use assets	$ 5,249	$ 2,365
Present value of lease liabilities	5,331	2,416
Reserve for commitments	400	288
Commitments to Extend Credit
New Accounting Pronouncements or Change in Accounting Principle
Reserve for commitments	399,800	288,400
Commitments expire within one year	170,100	114,200
Standby Letters of Credit
New Accounting Pronouncements or Change in Accounting Principle
Reserve for commitments	$ 4,300	$ 4,500
Minimum
New Accounting Pronouncements or Change in Accounting Principle
Operating lease, remaining contract term	1 year
Operating Lease renewal term	1 year
Maximum
New Accounting Pronouncements or Change in Accounting Principle
Operating lease, remaining contract term	10 years
Operating Lease renewal term	5 years