Loans and Leases (Details 1) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	$ 176,767	$ 73,508
Delinquent loans in loan portfolio
30-89 Days Past Due		55,042
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		18,466
Current	28,432,362	22,868,040
Loans held for investment, net	28,609,129	22,941,548
30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	105,845
90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	70,922
Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	136,871	57,714
Delinquent loans in loan portfolio
30-89 Days Past Due		45,812
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		11,902
Current	15,106,741	11,121,006
Loans held for investment, net	15,243,612	11,178,720
Mortgages [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	76,639
Mortgages [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	60,232
Real Estate Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	35,722	9,494
Delinquent loans in loan portfolio
30-89 Days Past Due		7,271
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		2,223
Current	4,603,162	3,427,633
Loans held for investment, net	4,638,884	3,437,127
Real Estate Construction [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	26,810
Real Estate Construction [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	8,912
Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	2,090	5,020
Delinquent loans in loan portfolio
30-89 Days Past Due		955
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		4,065
Current	8,279,872	7,863,031
Loans held for investment, net	8,281,962	7,868,051
Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	461
Commercial Portfolio Segment [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,629
Consumer Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	2,084	1,280
Delinquent loans in loan portfolio
30-89 Days Past Due		1,004
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		276
Current	442,587	456,370
Loans held for investment, net	444,671	457,650
Consumer Portfolio Segment [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	1,935
Consumer Portfolio Segment [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	149
Asset Based [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	434	464
Delinquent loans in loan portfolio
30-89 Days Past Due		0
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		464
Current	5,139,775	4,075,013
Loans held for investment, net	5,140,209	4,075,477
Asset Based [Member] | Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	0
Asset Based [Member] | Commercial Portfolio Segment [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	434
Venture Capital Loans [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	0	0
Delinquent loans in loan portfolio
30-89 Days Past Due		0
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		0
Current	2,033,302	2,320,593
Loans held for investment, net	2,033,302	2,320,593
Venture Capital Loans [Member] | Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	0
Venture Capital Loans [Member] | Commercial Portfolio Segment [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0
Other Commercial [Member] | Commercial Portfolio Segment [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	1,656	4,556
Delinquent loans in loan portfolio
30-89 Days Past Due		955
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		3,601
Current	1,106,795	1,467,425
Loans held for investment, net	1,108,451	1,471,981
Other Commercial [Member] | Commercial Portfolio Segment [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	461
Other Commercial [Member] | Commercial Portfolio Segment [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	1,195
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	0	0
Delinquent loans in loan portfolio
30-89 Days Past Due		0
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		0
Current	898,592	832,591
Loans held for investment, net	898,592	832,591
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	0
Commercial Real Estate Construction Loan Receivable [Member] | Real Estate Construction [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	0
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	35,722	9,494
Delinquent loans in loan portfolio
30-89 Days Past Due		7,271
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		2,223
Current	3,704,570	2,595,042
Loans held for investment, net	3,740,292	2,604,536
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	26,810
Residential Real Estate Construction Financing Receivable [Member] | Real Estate Construction [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	8,912
Commercial Real Estate [Member] | Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	30,990	7,543
Delinquent loans in loan portfolio
30-89 Days Past Due		5,307
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		2,236
Current	3,815,841	3,754,756
Loans held for investment, net	3,846,831	3,762,299
Commercial Real Estate [Member] | Mortgages [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	1,721
Commercial Real Estate [Member] | Mortgages [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	29,269
Residential Real Estate [Member] | Mortgages [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable Recorded Investment Total Past Due	105,881	50,171
Delinquent loans in loan portfolio
30-89 Days Past Due		40,505
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due		9,666
Current	11,290,900	7,366,250
Loans held for investment, net	11,396,781	$ 7,416,421
Residential Real Estate [Member] | Mortgages [Member] | 30 To 89 Days Past Due
Delinquent loans in loan portfolio
30-89 Days Past Due	74,918
Residential Real Estate [Member] | Mortgages [Member] | 90 Or More Days Past Due
Delinquent loans in loan portfolio
Loan Receivable, Recorded Investment, Equal to Greater than 90 Days Past Due	$ 30,963