Revenue from Contracts with Customers (Revenue from Contracts with Customers) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 83,312	$ 84,627	$ 94,544
Other sources of non-interest income	273,006	327,382	245,280
Total non-interest income	356,318	412,009	339,824
Account Service Fees
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	24,137	22,497	20,672
Transaction-based and overdraft service charges
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	17,949	18,341	24,944
Service charges on deposits
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	42,086	40,838	45,616
Card-based fees
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	36,114	28,190	33,051
Brokerage revenue
Disaggregation of Revenue [Line Items]
Revenue from Contract with Customer	$ 5,112	$ 15,599	$ 15,877