Loans - Schedule of Nonaccrual Loans by Classes of the Loan Portfolio (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Purchase credit impaired loans, net of unamortized fair value adjustments	$ 8,100
Total nonaccrual loans	4,826	$ 3,919
Commercial and industrial
Financing Receivable, Past Due [Line Items]
Total nonaccrual loans	58	65
Commercial real estate
Financing Receivable, Past Due [Line Items]
Total nonaccrual loans	4,599	3,600
Commercial real estate construction
Financing Receivable, Past Due [Line Items]
Total nonaccrual loans	0	0
Residential mortgage
Financing Receivable, Past Due [Line Items]
Total nonaccrual loans	101	171
Home equity lines of credit
Financing Receivable, Past Due [Line Items]
Total nonaccrual loans	$ 68	$ 83