Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Sources of non-interest income [Abstract]
Net gain on securities transactions	[1]	$ 0	$ 0	$ 0	$ 1,155
Other	[1]	154	419	513	1,043
Total non-interest income		4,295	4,341	13,411	13,101
Overdraft Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		735	595	1,964	1,920
Other [Member]
Sources of non-interest income [Abstract]
Non-interest income		518	348	1,479	1,159
Interchange Income [Member]
Sources of non-interest income [Abstract]
Non-interest income		1,330	1,195	3,863	3,072
Wealth Management Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		$ 1,558	$ 1,784	$ 5,592	$ 4,752

[1] Not within the scope of ASC 606.