Derivatives and Hedging Activities (Customer Related Derivative Positions - Not Designated as Hedges) (Details) - Not Designated as Hedging Instrument [Member] $ in Thousands		Dec. 31, 2021 USD ($) position		Dec. 31, 2020 USD ($) position
Receive fixed, pay variable | Loan level swaps
Summary of customer related derivative positions, not designated as hedging
Number of Positions (1) | position	[1]	296		322
Less than 1 year		$ 37,589		$ 102,999
Less than 2 years		139,844		76,487
Less than 3 years		123,507		149,265
Less than 4 years		260,953		147,422
Thereafter		1,060,276		1,222,557
Derivative, Notional Amount		1,622,169		1,698,730
Fair Value		$ 55,984		$ 127,226
Pay fixed, receive variable | Loan level swaps
Summary of customer related derivative positions, not designated as hedging
Number of Positions (1) | position	[1]	296		313
Less than 1 year		$ 37,589		$ 102,999
Less than 2 years		139,844		76,487
Less than 3 years		123,507		149,265
Less than 4 years		260,953		147,422
Thereafter		1,060,276		1,222,557
Derivative, Notional Amount		1,622,169		1,698,730
Fair Value		$ (55,982)		$ (127,216)
Buys foreign currency, sells U.S. currency | Foreign exchange contracts
Summary of customer related derivative positions, not designated as hedging
Number of Positions (1) | position	[1]	52		33
Less than 1 year		$ 149,588		$ 87,557
Less than 2 years		8,784		5,300
Derivative, Notional Amount		158,372		92,857
Fair Value		$ 5,734		$ (4,214)
Buys U.S. currency, sells foreign currency | Foreign exchange contracts
Summary of customer related derivative positions, not designated as hedging
Number of Positions (1) | position	[1]	52		33
Less than 1 year		$ 149,588		$ 87,557
Less than 2 years		8,784		5,300
Derivative, Notional Amount		158,372		92,857
Fair Value		$ (5,734)		$ 4,224
Risk Participated Out [Member] | Risk Participation Agreement [Member]
Summary of customer related derivative positions, not designated as hedging
Number of Positions (1) | position		11	[1]	12
Less than 1 year				$ 6,721
Less than 2 years		$ 2,635
Less than 3 years		7,138		2,675
Less than 4 years		24,539		7,307
Thereafter		68,408		93,378
Derivative, Notional Amount		102,720		110,081
Fair Value		$ 279		$ 512
Risk Participated In [Member] | Risk Participation Agreement [Member]
Summary of customer related derivative positions, not designated as hedging
Number of Positions (1) | position		7	[1]	8
Less than 1 year		$ 29,972
Less than 2 years		28,235		$ 30,649
Less than 3 years				29,072
Thereafter		8,339		15,844
Derivative, Notional Amount		66,546		75,565
Fair Value		$ (55)		$ (118)

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