Loans and Allowance for Loan and Lease Losses - Summarizes the At Risk Categories and the Relative Percentage of the Loan Portfolio (Details) - COVID-19 [Member] - Risk Level, High - USD ($) $ in Thousands	6 Months Ended	9 Months Ended	12 Months Ended
	Jun. 30, 2020	Sep. 30, 2020	Dec. 31, 2020
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
December 31, 2020	$ 14,869	$ 14,838	$ 13,507
December 31, 2020	2.60%	2.30%	2.10%
Hotels/Motels [Member] | Product [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
December 31, 2020	$ 10,410	$ 10,459	$ 10,393
December 31, 2020	1.80%	1.60%	1.60%
Dine In Restaurants | Product [Member]
Debt Securities Heldtomaturity Allowance For Credit Loss [Line Items]
December 31, 2020	$ 4,459	$ 4,379	$ 3,114
December 31, 2020	0.80%	0.70%	0.50%