Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2021	Mar. 31, 2020
Sources of non-interest income [Abstract]
Net gain on securities transactions	[1]	$ 0	$ 1,155
Other	[1]	154	331
Total non-interest income		4,428	5,334
Overdraft Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		617	873
Other [Member]
Sources of non-interest income [Abstract]
Non-interest income		469	429
Interchange Income [Member]
Sources of non-interest income [Abstract]
Non-interest income		1,153	946
Wealth Management Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		$ 2,035	$ 1,600

[1] Not within the scope of ASC 606.