Loans and Leases (Nonaccrual) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Mar. 31, 2021
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	$ 234,978	$ 109,927	$ 109,927
Non-accrual with No Allowance	72,384		40,704
Commercial
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	176,312	70,467	70,467
Non-accrual with No Allowance	45,301		11,198
Commercial | Commercial non-mortgage
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	87,005	59,607	59,607
Non-accrual with No Allowance	17,877		4,802
Commercial | Asset-based
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	5,356	2,086	2,086
Non-accrual with No Allowance	1,959		2,086
Commercial | Commercial real estate
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	68,204	5,046	5,046
Non-accrual with No Allowance	24,193		4,310
Commercial | Multi-family
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	383	0	0
Non-accrual with No Allowance	0		0
Commercial | Equipment financing
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	15,364	3,728	3,728
Non-accrual with No Allowance	1,272		0
Commercial | Warehouse lending
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	0		0
Non-accrual with No Allowance	0		0
Consumer
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	58,666	39,460	39,460
Non-accrual with No Allowance	27,083		29,506
Consumer | Residential
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	26,602	15,747	15,747
Non-accrual with No Allowance	9,847		10,584
Consumer | Home equity
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	31,910	$ 23,489	23,489
Non-accrual with No Allowance	17,233		18,920
Consumer | Other consumer
Financing Receivable, Nonaccrual [Line Items]
Non-accrual	154		224
Non-accrual with No Allowance	$ 3		$ 2