Acquisitions Staunton Acquisition (Details) - USD ($) $ in Thousands		3 Months Ended
	Feb. 14, 2020	Sep. 30, 2020	Mar. 31, 2021	Mar. 31, 2020
February 14, 2020
Fair value of liabilities assumed			$ 0	$ 479,985
First Staunton Bancshares [Member]
Purchase Accounting Adjustments
Cash and cash equivalents	$ 0
Investment securities AFS	(24)
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	0
Loans	(4,808)
Premises and equipment, net	(3,005)
Bank owned life insurance	9
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	7,379
OREO (included in other assets on the face of the consolidated balance sheets)	670
Other assets	2,795
Deposits	1,285
Other borrowings	61
Accrued expenses and other liabilities	179
February 14, 2020
Cash and cash equivalents	44,782
Investment securities AFS	98,743
Federal Home Loan Bank and Federal Reserve Bank stocks, at cost	781
Loans	369,741
Premises and equipment, net	4,865
Bank owned life insurance	6,770
Goodwill	14,812	$ 15,000
Core deposit intangibles (included in other intangible assets, net on the face of the consolidated balance sheets)	7,379
OREO (included in other assets on the face of the consolidated balance sheets)	762
Other assets	7,692
Total assets	556,328
Deposits	438,684
Other borrowings	34,613
Accrued expenses and other liabilities	6,730
Fair value of liabilities assumed	480,028
Total consideration paid	$ 76,300