Loans and Leases and Allowance for Loan and Lease Losses - ALL by Loan Classification (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	$ 18,310	$ 18,370	$ 18,346	$ 16,254	$ 13,431	$ 10,243
All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	17,939		18,037
Purchased Credit Impaired Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	371		309
Performing [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	17,243		17,800
Impaired Loans [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	696		237
Commercial Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	8,382	7,636	7,579	6,595	5,963	4,508
Commercial Real Estate [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	8,382		7,579
Commercial Real Estate [Member] | Performing [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	7,965		7,579
Commercial Real Estate [Member] | Impaired Loans [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	417
Consumer Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	3,323	3,309	3,471	3,313	3,301	2,576
Consumer Real Estate [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	3,167		3,383
Consumer Real Estate [Member] | Purchased Credit Impaired Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	156		88
Consumer Real Estate [Member] | Performing [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	3,096		3,267
Consumer Real Estate [Member] | Impaired Loans [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	71		116
Construction and Land Development [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	2,061	1,968	2,076	1,795	1,484	1,127
Construction and Land Development [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	2,061		2,076
Construction and Land Development [Member] | Performing [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	2,061		2,076
Commercial and Industrial [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	4,442	5,347	5,107	4,443	2,557	1,957
Commercial and Industrial [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	4,229		4,889
Commercial and Industrial [Member] | Purchased Credit Impaired Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	213		218
Commercial and Industrial [Member] | Performing [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	4,021		4,768
Commercial and Industrial [Member] | Impaired Loans [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	208		121
Consumer and Other [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	102	$ 110	113	$ 108	$ 126	$ 75
Consumer and Other [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	100		110
Consumer and Other [Member] | Purchased Credit Impaired Loans [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	2		3
Consumer and Other [Member] | Performing [Member] | All Other Loans and leases [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Allowance for loan and lease losses	$ 100		$ 110