Loans and Leases and Allowance for Loan and Lease Losses - ALL Roll Forward (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	$ 18,370	$ 13,431	$ 18,346	$ 10,243
Charged off loans	(153)	(75)	(273)	(161)
Recoveries of charge-offs	98	48	175	123
Provision (recovery) charged to expense	(5)	2,850	62	6,049
Ending balance	18,310	16,254	18,310	16,254
Commercial Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	7,636	5,963	7,579	4,508
Recoveries of charge-offs	3	3	6	5
Provision (recovery) charged to expense	743	629	797	2,082
Ending balance	8,382	6,595	8,382	6,595
Consumer Real Estate [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	3,309	3,301	3,471	2,576
Charged off loans	(60)		(60)	(2)
Recoveries of charge-offs	5	11	21	17
Provision (recovery) charged to expense	69	1	(109)	722
Ending balance	3,323	3,313	3,323	3,313
Construction and Land Development [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	1,968	1,484	2,076	1,127
Recoveries of charge-offs				2
Provision (recovery) charged to expense	93	311	(15)	666
Ending balance	2,061	1,795	2,061	1,795
Commercial and Industrial [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	5,347	2,557	5,107	1,957
Charged off loans	(4)	(9)	(4)	(17)
Recoveries of charge-offs	7	6	10	49
Provision (recovery) charged to expense	(908)	1,889	(671)	2,454
Ending balance	4,442	4,443	4,442	4,443
Consumer and Other [Member]
Allowance for Loan and Lease Losses [Roll Forward]
Beginning balance	110	126	113	75
Charged off loans	(89)	(66)	(209)	(142)
Recoveries of charge-offs	83	28	138	50
Provision (recovery) charged to expense	(2)	20	60	125
Ending balance	$ 102	$ 108	$ 102	$ 108