Derivatives and Hedging Activities (Customer Related Derivative Positions - Not Designated as Hedges) (Details) - Not Designated as Hedging Instrument $ in Thousands		Sep. 30, 2022 USD ($) position	Dec. 31, 2021 USD ($) position
Receive fixed, pay variable | Loan level swaps
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position	[1]	285	296
Less than 1 year		$ 82,932	$ 37,589
Less than 2 years		98,409	139,844
Less than 3 years		259,419	123,507
Less than 4 years		173,197	260,953
Thereafter		953,915	1,060,276
Derivative, Notional Amount		1,567,872	1,622,169
Fair Value		$ (127,611)	$ 55,984
Pay fixed, receive variable | Loan level swaps
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position	[1]	285	296
Less than 1 year		$ 82,932	$ 37,589
Less than 2 years		98,409	139,844
Less than 3 years		259,419	123,507
Less than 4 years		173,197	260,953
Thereafter		953,915	1,060,276
Derivative, Notional Amount		1,567,872	1,622,169
Fair Value		$ 127,609	$ (55,982)
Buys foreign currency, sells U.S. currency | Foreign exchange contracts
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position	[1]	62	52
Less than 1 year		$ 162,094	$ 149,588
Less than 2 years		13,013	8,784
Less than 3 years		0	0
Less than 4 years		0	0
Thereafter		0	0
Derivative, Notional Amount		175,107	158,372
Fair Value		$ (15,992)	$ 5,734
Buys U.S. currency, sells foreign currency | Foreign exchange contracts
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position	[1]	62	52
Less than 1 year		$ 162,094	$ 149,588
Less than 2 years		13,013	8,784
Less than 3 years		0	0
Less than 4 years		0	0
Thereafter		0	0
Derivative, Notional Amount		175,107	158,372
Fair Value		$ 16,079	$ (5,734)
Risk Participated Out | Risk Participation Agreement
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position		11	11
Less than 1 year		$ 2,605	$ 0
Less than 2 years		0	2,635
Less than 3 years		24,538	7,138
Less than 4 years		0	24,539
Thereafter		72,045	68,408
Derivative, Notional Amount		99,188	102,720
Fair Value		$ 64	$ 279
Risk Participated In | Risk Participation Agreement
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position		7	7
Less than 1 year		$ 22,802	$ 29,972
Less than 2 years		16,329	28,235
Less than 3 years		0	0
Less than 4 years		0	0
Thereafter		25,944	8,339
Derivative, Notional Amount		65,075	66,546
Fair Value		$ (15)	$ (55)

[1] The Company may enter into one dealer swap agreement which offsets multiple commercial borrower swap agreements.