Loans and Leases - Nonaccrual Loans and Leases by Loan Portfolio Segment and Class (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	$ 66,538	$ 67,652	$ 61,174
Financing Receivable, Nonaccrual, Interest Income	371	2,117
Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	49,534	48,907	39,832
Financing Receivable, Nonaccrual, Interest Income	17	287
Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	6,215	718	4,715
Financing Receivable, Nonaccrual, Interest Income	0	0
Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	10,402	17,471	16,213
Financing Receivable, Nonaccrual, Interest Income	354	1,830
Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	387	556	414
Financing Receivable, Nonaccrual, Interest Income	0	0
Finance Receivable Allowance | Consumer
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	387	556
Financing Receivable, Nonaccrual, Interest Income	0	0
No Finance Receivable Allowance | Consumer
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	0	0
Financing Receivable, Nonaccrual, No Allowance	0	0
Commercial | Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	32,071		27,540
Financing Receivable, Nonaccrual, No Allowance	32,003	46,360
Commercial | Finance Receivable Allowance | Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	68	76
Financing Receivable, Nonaccrual, Interest Income	0	0
Commercial | No Finance Receivable Allowance | Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	17	287
Residential Real Estate [Member] | Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	17,463		12,292
Financing Receivable, Nonaccrual, No Allowance	13,460	588
Residential Real Estate [Member] | Finance Receivable Allowance | Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	4,003	1,883
Financing Receivable, Nonaccrual, Interest Income	0	0
Residential Real Estate [Member] | No Finance Receivable Allowance | Real Estate Mortgage
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	0	0
Commercial Real Estate Construction Loan Receivable | Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	0		0
Financing Receivable, Nonaccrual, No Allowance	0	302
Commercial Real Estate Construction Loan Receivable | Finance Receivable Allowance | Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	0	0
Financing Receivable, Nonaccrual, Interest Income	0	0
Commercial Real Estate Construction Loan Receivable | No Finance Receivable Allowance | Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	0	0
Residential Real Estate Construction Financing Receivable | Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	6,215		4,715
Financing Receivable, Nonaccrual, No Allowance	5,615	300
Residential Real Estate Construction Financing Receivable | Finance Receivable Allowance | Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	600	116
Financing Receivable, Nonaccrual, Interest Income	0	0
Residential Real Estate Construction Financing Receivable | No Finance Receivable Allowance | Real Estate Construction and Land
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	0	0
Asset-based | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	1,323		1,464
Financing Receivable, Nonaccrual, No Allowance	449	500
Asset-based | Finance Receivable Allowance | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	874	1,880
Financing Receivable, Nonaccrual, Interest Income	0	0
Asset-based | No Finance Receivable Allowance | Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	0	0
Venture Capital Loans | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	3,659		2,799
Financing Receivable, Nonaccrual, No Allowance	0	0
Venture Capital Loans | Finance Receivable Allowance | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	3,659	2,432
Financing Receivable, Nonaccrual, Interest Income	0	0
Venture Capital Loans | No Finance Receivable Allowance | Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	0	0
Other Commercial
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, No Allowance	4,146	11,004
Other Commercial | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	5,420		$ 11,950
Other Commercial | Finance Receivable Allowance | Commercial
Financing Receivable, Nonaccrual [Line Items]
Nonaccrual	1,274	1,655
Financing Receivable, Nonaccrual, Interest Income	0	0
Other Commercial | No Finance Receivable Allowance
Financing Receivable, Nonaccrual [Line Items]
Financing Receivable, Nonaccrual, Interest Income	$ 354	$ 1,830