Allowance for Loan and Lease Losses and Reserve for Unfunded Commitments - Summary of Average Recorded Investment and Interest Income Recognized for Loans and Leases Considered Impaired (Details) - Loans Excluding Acquired Impaired Loans - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Financing Receivable Impaired [Line Items]
Average Recorded Investment	$ 77,345	$ 108,174
Interest Income Recognized	1,024	894
Commercial Real Estate
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	16,068	34,961
Average Recorded Investment, With an allowance recorded	21,252	22,178
Interest Income Recognized, With no related allowance recorded	236	311
Interest Income Recognized, With an allowance recorded	375	161
Residential Real Estate
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	2,005	3,080
Average Recorded Investment, With an allowance recorded	29	298
Interest Income Recognized, With no related allowance recorded	12	18
Interest Income Recognized, With an allowance recorded	0	2
Commercial and Industrial
Financing Receivable Impaired [Line Items]
Average Recorded Investment, With no related allowance recorded	17,380	16,568
Average Recorded Investment, With an allowance recorded	20,611	31,089
Interest Income Recognized, With no related allowance recorded	123	129
Interest Income Recognized, With an allowance recorded	$ 278	$ 273