Loans and Leases and Allowance for Credit Losses - General Information (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Accrued interest receivable, loans	$ 5.4	$ 5.4	$ 6.8
Interest Income		0.0
Additional interest income		$ 0.6
Amortized cost of collateral-dependent loans, increase (decrease) during the period	$ (1.3)
Weighted average loan-to-value ratio of collateral dependent loans (as a percent)	91.00%	91.00%
Collateral dependent loans in process of foreclosure	$ 0.0	$ 0.0
Commercial, Residential, and Farm Land Real Estate Portfolio Segment [Member] | Real Estate Sector [Member] | 1-4 Family - Closed-End [Member]
Financing Receivable, Past Due [Line Items]
Loan and lease receivable		$ 173.1