Securities - Securities Sold (Details) - USD ($)	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Debt Securities, Available-for-sale [Line Items]
Carrying Value	$ 154,034,000
Net Proceeds	155,391,000	$ 0
Gain/(Loss)	1,357,000
Obligations of states and political subdivisions
Debt Securities, Available-for-sale [Line Items]
Carrying Value	47,000
Net Proceeds	50,000
Gain/(Loss)	3,000
Residential mortgage backed securities: | Government agency mortgage backed securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	136,340,000
Net Proceeds	139,735,000
Gain/(Loss)	3,395,000
Residential mortgage backed securities: | Government agency collateralized mortgage obligations
Debt Securities, Available-for-sale [Line Items]
Carrying Value	5,626,000
Net Proceeds	5,646,000
Gain/(Loss)	20,000
Trust preferred securities
Debt Securities, Available-for-sale [Line Items]
Carrying Value	12,021,000
Net Proceeds	9,960,000
Gain/(Loss)	$ (2,061,000)