Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Sources of non-interest income [Abstract]
Net gain on securities transactions	[1]	$ 0	$ 0	$ 1,155	$ 0
Other	[1]	293	989	624	1,402
Total non-interest income		3,426	4,914	8,760	9,551
Overdraft Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		452	849	1,325	1,699
Other [Member]
Sources of non-interest income [Abstract]
Non-interest income		382	109	811	219
Interchange Income [Member]
Sources of non-interest income [Abstract]
Non-interest income		931	1,284	1,877	2,815
Wealth Management Fees [Member]
Sources of non-interest income [Abstract]
Non-interest income		$ 1,368	$ 1,683	$ 2,968	$ 3,416

[1] Not within the scope of ASC 606.