Mergers and acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - Farmers National $ in Thousands	Feb. 14, 2020 USD ($)
Assets
Cash and cash equivalents	$ 10,774
Securities	50,594
Loans, net of fair value adjustments	182,171
Allowance for credit losses on PCD loans	(669)
Premises and equipment	8,021
Core deposit intangible	2,490
Other assets	4,809
Total assets	258,190
Liabilities
Non-interest bearing deposits	63,531
Interest-bearing checking	26,451
Money market and savings	37,002
Customer time deposits	82,551
Total deposits	209,535
Borrowings	3,192
Accrued expenses and other liabilities	1,229
Total liabilities	213,956
Net assets acquired	$ 44,234