Derivatives and Hedging Activities (Customer Related Derivative Positions - Not Designated as Hedges) (Details) - Not Designated as Hedging Instrument $ in Thousands		Jun. 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]	287	296
Less than 1 year		$ 57,970	$ 37,589
Less than 2 years		105,765	139,844
Less than 3 years		203,076	123,507
Less than 4 years		224,337	260,953
Thereafter		990,654	1,060,276
Derivative, Notional Amount		1,581,802	1,622,169
Fair Value		$ (69,667)	$ 55,984
Pay fixed, receive variable | Loan level swaps
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position	[1]	287	296
Less than 1 year		$ 57,970	$ 37,589
Less than 2 years		105,765	139,844
Less than 3 years		203,076	123,507
Less than 4 years		224,337	260,953
Thereafter		990,654	1,060,276
Derivative, Notional Amount		1,581,802	1,622,169
Fair Value		$ 69,666	$ (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		$ 142,758	$ 149,588
Less than 2 years		36,475	8,784
Less than 3 years		0	0
Less than 4 years		0	0
Thereafter		0	0
Derivative, Notional Amount		179,233	158,372
Fair Value		$ (8,575)	$ 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		$ 142,758	$ 149,588
Less than 2 years		36,475	8,784
Less than 3 years		0	0
Less than 4 years		0	0
Thereafter		0	0
Derivative, Notional Amount		179,233	158,372
Fair Value		$ 8,670	$ (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		$ 0	$ 0
Less than 2 years		2,615	2,635
Less than 3 years		24,538	7,138
Less than 4 years		0	24,539
Thereafter		70,389	68,408
Derivative, Notional Amount		97,542	102,720
Fair Value		$ 118	$ 279
Risk Participated In | Risk Participation Agreement
Summary of customer related derivative positions, not designated as hedging
Number of Positions | position		9	7
Less than 1 year		$ 40,985	$ 29,972
Less than 2 years		16,440	28,235
Less than 3 years		0	0
Less than 4 years		0	0
Thereafter		26,037	8,339
Derivative, Notional Amount		83,462	66,546
Fair Value		$ (37)	$ (55)

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