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Loans and Leases (Details 5) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net $ 28,609,129 $ 22,941,548
Gross Charges By Origination Year (14,037) (10,715)
Gross Recoveries By Origination Year   (12,598)
Allowance for Loan Loss, Net Write offs   (1,883)
Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 15,243,612 11,178,720
Real Estate Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,638,884 3,437,127
Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 8,281,962 7,868,051
Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 444,671 457,650
Gross Charges By Origination Year (2,164) (1,507)
Gross Recoveries By Origination Year   (120)
Allowance for Loan Loss, Net Write offs   1,387
Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 898,592 832,591
Gross Charges By Origination Year 0 (775)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   775
Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,740,292 2,604,536
Gross Charges By Origination Year (1,431) (7)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   7
Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 5,140,209 4,075,477
Gross Charges By Origination Year (750) (232)
Gross Recoveries By Origination Year   (719)
Allowance for Loan Loss, Net Write offs   (487)
Venture Capital Loans [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,033,302 2,320,593
Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,033,302 2,320,593
Gross Charges By Origination Year (940) (620)
Gross Recoveries By Origination Year   (404)
Allowance for Loan Loss, Net Write offs   216
Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,108,451 1,471,981
Gross Charges By Origination Year (5,127) (6,446)
Gross Recoveries By Origination Year   (4,588)
Allowance for Loan Loss, Net Write offs   1,858
1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,517,968 2,316,130
1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 926 702
1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,874,375 1,531,301
1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 219,135 230,829
1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 35,619 176,741
3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 25,406,631 20,117,703
3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 436,562 454,668
3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 807,258 764,864
3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,648,471 2,598,101
3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,208,133 2,461,280
3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,683,507 2,070,137
3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,053,126 1,258,053
5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 566,259 391,611
5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 6,908 1,841
5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 91,334 67,727
5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 80,860 1,720
5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 56,836 78,305
5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 127,907 14,833
5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 13,233 15,528
6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 118,271 116,104
6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 275 439
6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 10,961 4,715
6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 865 4,591
6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,753 4,794
6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 6,473 21,659
Revolving Credit Facility    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 5,448,328 5,526,869
Gross Charges By Origination Year (3,596) (985)
Gross Recoveries By Origination Year   (86)
Allowance for Loan Loss, Net Write offs   899
Revolving Credit Facility | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 9,653 6,335
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   (1)
Allowance for Loan Loss, Net Write offs   (1)
Revolving Credit Facility | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 18,190
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Revolving Credit Facility | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 48,555 28,804
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Revolving Credit Facility | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,099,738 2,715,753
Gross Charges By Origination Year (750) 0
Gross Recoveries By Origination Year   (28)
Allowance for Loan Loss, Net Write offs   (28)
Revolving Credit Facility | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,621,971 1,943,854
Gross Charges By Origination Year (940) 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Revolving Credit Facility | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 477,043 642,195
Gross Charges By Origination Year (1,906) (985)
Gross Recoveries By Origination Year   (57)
Allowance for Loan Loss, Net Write offs   928
Revolving Credit Facility | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,090,668 982,446
Revolving Credit Facility | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 854 646
Revolving Credit Facility | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 850,031 706,656
Revolving Credit Facility | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 216,535 228,820
Revolving Credit Facility | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 20,958 18,206
Revolving Credit Facility | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,305,696 4,511,074
Revolving Credit Facility | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 8,739 5,689
Revolving Credit Facility | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 18,190
Revolving Credit Facility | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 48,555 28,804
Revolving Credit Facility | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,239,785 1,992,677
Revolving Credit Facility | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,365,101 1,715,057
Revolving Credit Facility | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 454,438 607,197
Revolving Credit Facility | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 50,364 13,597
Revolving Credit Facility | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 60 0
Revolving Credit Facility | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 9,922 12,393
Revolving Credit Facility | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 40,335 (17)
Revolving Credit Facility | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 47 1,061
Revolving Credit Facility | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,600 19,752
Revolving Credit Facility | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Credit Facility | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 4,027
Revolving Credit Facility | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 (6)
Revolving Credit Facility | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,600 15,731
Revolving Converted To Term Loan    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 156,492 105,951
Gross Charges By Origination Year (481) (2,650)
Gross Recoveries By Origination Year   (446)
Allowance for Loan Loss, Net Write offs   2,204
Revolving Converted To Term Loan | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 16 19
Gross Charges By Origination Year (7) (54)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   54
Revolving Converted To Term Loan | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Revolving Converted To Term Loan | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 10,672
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Revolving Converted To Term Loan | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 70,173 60,731
Gross Charges By Origination Year 0 (232)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   232
Revolving Converted To Term Loan | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 71,068 10,502
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Revolving Converted To Term Loan | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,871 11,623
Gross Charges By Origination Year (474) (2,364)
Gross Recoveries By Origination Year   (145)
Allowance for Loan Loss, Net Write offs   2,219
Revolving Converted To Term Loan | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 503 51,188
Revolving Converted To Term Loan | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 50,495
Revolving Converted To Term Loan | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 503 0
Revolving Converted To Term Loan | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 693
Revolving Converted To Term Loan | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 149,159 46,987
Revolving Converted To Term Loan | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 10,672
Revolving Converted To Term Loan | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 69,742 6,158
Revolving Converted To Term Loan | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 65,572 8,202
Revolving Converted To Term Loan | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,684 9,822
Revolving Converted To Term Loan | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 5,082 4,039
Revolving Converted To Term Loan | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 3,978
Revolving Converted To Term Loan | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,993 0
Revolving Converted To Term Loan | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 89 61
Revolving Converted To Term Loan | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,748 3,737
Revolving Converted To Term Loan | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 16 19
Revolving Converted To Term Loan | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Revolving Converted To Term Loan | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 431 (100)
Revolving Converted To Term Loan | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 2,300
Revolving Converted To Term Loan | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,098 1,047
Commercial Real Estate [Member] | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,846,831 3,762,299
Gross Charges By Origination Year (2,730) (965)
Gross Recoveries By Origination Year   (6,081)
Allowance for Loan Loss, Net Write offs   (5,116)
Commercial Real Estate [Member] | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 83,418 90,046
Commercial Real Estate [Member] | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,613,183 3,418,238
Commercial Real Estate [Member] | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 106,493 191,809
Commercial Real Estate [Member] | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 43,737 62,206
Commercial Real Estate [Member] | Revolving Credit Facility | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 86,574 51,808
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Commercial Real Estate [Member] | Revolving Credit Facility | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,290 3
Commercial Real Estate [Member] | Revolving Credit Facility | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 85,284 51,805
Commercial Real Estate [Member] | Revolving Credit Facility | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Commercial Real Estate [Member] | Revolving Credit Facility | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Commercial Real Estate [Member] | Revolving Converted To Term Loan | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 10,065 11,977
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Commercial Real Estate [Member] | Revolving Converted To Term Loan | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Commercial Real Estate [Member] | Revolving Converted To Term Loan | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 10,065 11,977
Commercial Real Estate [Member] | Revolving Converted To Term Loan | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Commercial Real Estate [Member] | Revolving Converted To Term Loan | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Residential Real Estate [Member] | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 11,396,781 7,416,421
Gross Charges By Origination Year (895) (163)
Gross Recoveries By Origination Year   (686)
Allowance for Loan Loss, Net Write offs   (523)
Residential Real Estate [Member] | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 304,495 286,511
Residential Real Estate [Member] | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 10,956,391 7,092,362
Residential Real Estate [Member] | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 82,688 19,848
Residential Real Estate [Member] | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 53,207 17,700
Residential Real Estate [Member] | Revolving Credit Facility | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 104,794 119,930
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Residential Real Estate [Member] | Revolving Credit Facility | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,000 28,115
Residential Real Estate [Member] | Revolving Credit Facility | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 103,794 91,655
Residential Real Estate [Member] | Revolving Credit Facility | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 160
Residential Real Estate [Member] | Revolving Credit Facility | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Residential Real Estate [Member] | Revolving Converted To Term Loan | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 299 427
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   (301)
Allowance for Loan Loss, Net Write offs   (301)
Residential Real Estate [Member] | Revolving Converted To Term Loan | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Residential Real Estate [Member] | Revolving Converted To Term Loan | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 96 156
Residential Real Estate [Member] | Revolving Converted To Term Loan | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Residential Real Estate [Member] | Revolving Converted To Term Loan | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 203 271
Origination Date 2021 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,279,019  
Gross Charges By Origination Year (558)  
Origination Date 2021 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 64,201  
Gross Charges By Origination Year (309)  
Origination Date 2021 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 299,538  
Gross Charges By Origination Year 0  
Origination Date 2021 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 970,651  
Gross Charges By Origination Year 0  
Origination Date 2021 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 772,815  
Gross Charges By Origination Year 0  
Origination Date 2021 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 105,945  
Gross Charges By Origination Year 0  
Origination Date 2021 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 95,559  
Gross Charges By Origination Year 0  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 233,682  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 34  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 225,140  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net [1] (40)  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,591  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 6,976,510  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 62,868  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 299,538  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 950,144  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 547,675  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 92,015  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 84,930  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 49,532  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,252  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 17,817  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 13,970  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,038  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 19,295  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 47  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,690  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 542,888  
Gross Charges By Origination Year 0  
Origination Date 2021 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,957  
Origination Date 2021 | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 537,931  
Origination Date 2021 | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,427,422  
Gross Charges By Origination Year (249)  
Origination Date 2021 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0  
Origination Date 2021 | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,401,409  
Origination Date 2021 | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 9,455  
Origination Date 2021 | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 16,558  
Origination Date 2020 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,508,907 7,258,473
Gross Charges By Origination Year (1,889) (2,027)
Gross Recoveries By Origination Year   (28)
Allowance for Loan Loss, Net Write offs   1,999
Origination Date 2020 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 229,604 262,511
Gross Charges By Origination Year (529) 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2020 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 170,397 96,108
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2020 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,415,038 850,313
Gross Charges By Origination Year (659) (7)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   7
Origination Date 2020 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 397,541 381,045
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2020 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 179,973 239,047
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2020 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 290,690 421,159
Gross Charges By Origination Year (209) (1,992)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   1,992
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 313,224 369,274
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 30 36
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 209,272 138,836
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 10,880 134,825
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,087,371 6,869,712
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 226,084 261,678
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 170,397 96,108
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,393,485 849,188
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 188,269 242,209
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 136,296 229,567
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 278,208 286,281
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 70,976 12,924
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,490 797
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 13,925 276
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 40,924 8,980
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 796 0
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 37,336 6,563
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,628 849
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,753 500
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 806 53
Origination Date 2020 | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 505,926 500,187
Gross Charges By Origination Year (67) 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2020 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,791 561
Origination Date 2020 | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 501,576 499,626
Origination Date 2020 | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2020 | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 559 0
Origination Date 2020 | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,319,738 4,508,103
Gross Charges By Origination Year (425) (28)
Gross Recoveries By Origination Year   (28)
Allowance for Loan Loss, Net Write offs   0
Origination Date 2020 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 89,251 95,016
Origination Date 2020 | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,193,056 4,405,055
Origination Date 2020 | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 11,841 2,871
Origination Date 2020 | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 25,590 5,161
Origination Date 2019 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,248,240 2,310,266
Gross Charges By Origination Year (1,149) (265)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   265
Origination Date 2019 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 21,269 24,591
Gross Charges By Origination Year (237) (185)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   185
Origination Date 2019 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 74,634 96,448
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2019 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 852,807 677,327
Gross Charges By Origination Year (772) 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2019 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 110,438 144,655
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2019 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 24,558 63,060
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2019 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 54,738 96,176
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 86,906 135,778
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7 11
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 57,727 72,725
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,000 1,999
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 12 22,556
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,139,818 2,152,244
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 20,798 24,195
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 74,634 96,448
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 848,201 672,864
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 52,711 71,930
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 18,075 58,283
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 54,542 73,328
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 15,719 13,238
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 464 363
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,963 1,185
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,483 2,778
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 184 291
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 5,797 9,006
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 22
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 643 3,278
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 1
Origination Date 2019 | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 476,199 546,436
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2019 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,215 9,148
Origination Date 2019 | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 467,792 531,989
Origination Date 2019 | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 728 4,811
Origination Date 2019 | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 464 488
Origination Date 2019 | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 633,597 661,573
Gross Charges By Origination Year (140) (80)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   80
Origination Date 2019 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 19,945 29,339
Origination Date 2019 | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 603,065 623,207
Origination Date 2019 | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 5,897 3,810
Origination Date 2019 | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,690 5,217
Origination Date 2018 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,083,227 2,803,560
Gross Charges By Origination Year (808) (965)
Gross Recoveries By Origination Year   (169)
Allowance for Loan Loss, Net Write offs   796
Origination Date 2018 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 49,727 74,479
Gross Charges By Origination Year (728) (654)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   654
Origination Date 2018 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 237,294 386,832
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2018 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 327,231 851,715
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2018 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 281,283 286,835
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2018 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 26,907 46,506
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   (127)
Allowance for Loan Loss, Net Write offs   (127)
Origination Date 2018 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 43,083 78,144
Gross Charges By Origination Year (1) (122)
Gross Recoveries By Origination Year   (42)
Allowance for Loan Loss, Net Write offs   80
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 286,631 268,730
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 202,063 178,291
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 161 261
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,647,953 2,390,507
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 48,542 73,860
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 237,294 386,832
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 282,076 851,127
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 35,811 59,748
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,705 46,007
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 41,908 77,487
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 146,955 126,180
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,126 496
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 45,155 0
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 43,409 48,796
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 23,202 499
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 695 1
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,688 18,143
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 59 123
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 588
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 319 395
Origination Date 2018 | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 366,284 434,450
Gross Charges By Origination Year (79) (189)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   189
Origination Date 2018 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 26,132 32,304
Origination Date 2018 | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 322,448 321,728
Origination Date 2018 | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 16,394 63,381
Origination Date 2018 | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,310 17,037
Origination Date 2018 | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 751,418 644,599
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2018 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 58,275 57,874
Origination Date 2018 | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 676,169 573,718
Origination Date 2018 | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 16,974 13,007
Origination Date 2018 | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,570,629 1,949,477
Gross Charges By Origination Year (2,258) (1,146)
Gross Recoveries By Origination Year   (64)
Allowance for Loan Loss, Net Write offs   1,082
Origination Date 2017 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 32,051 35,739
Gross Charges By Origination Year 0 (156)
Gross Recoveries By Origination Year   (27)
Allowance for Loan Loss, Net Write offs   129
Origination Date 2017 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 109,097 152,444
Gross Charges By Origination Year 0 (775)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   775
Origination Date 2017 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 125,806 163,950
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2017 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 155,026 182,460
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2017 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,967 9,241
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   (37)
Allowance for Loan Loss, Net Write offs   (37)
Origination Date 2017 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 49,297 69,680
Gross Charges By Origination Year 0 (47)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   47
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 192,647 179,933
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1 5
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 121,600 123,947
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 134 0
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3 4
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,245,216 1,667,175
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 31,693 35,623
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 17,763 152,444
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 125,806 163,950
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 33,426 45,375
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,833 7,241
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 47,771 67,591
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 102,544 91,598
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 278 0
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 91,334 0
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 13,138
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,526 2,088
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 30,222 10,771
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 79 111
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 2,000
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (3) (3)
Origination Date 2017 | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 574,081 668,437
Gross Charges By Origination Year (2,258) (168)
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   168
Origination Date 2017 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 4,690 8,289
Origination Date 2017 | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 539,701 578,436
Origination Date 2017 | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,294 76,372
Origination Date 2017 | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 27,396 5,340
Origination Date 2017 | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 523,304 667,526
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2017 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 66,219 47,688
Origination Date 2017 | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 447,223 616,515
Origination Date 2017 | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,112 0
Origination Date 2017 | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,750 3,323
Origination Date 2016 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   1,305,834
Gross Charges By Origination Year   (753)
Gross Recoveries By Origination Year   (447)
Allowance for Loan Loss, Net Write offs   306
Origination Date 2016 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   21,782
Gross Charges By Origination Year   (270)
Gross Recoveries By Origination Year   (13)
Allowance for Loan Loss, Net Write offs   257
Origination Date 2016 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   68,447
Gross Charges By Origination Year   0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2016 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   17,785
Gross Charges By Origination Year   0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2016 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   80,290
Gross Charges By Origination Year   0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2016 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   1,610
Gross Charges By Origination Year   0
Gross Recoveries By Origination Year   (158)
Allowance for Loan Loss, Net Write offs   (158)
Origination Date 2016 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   47,523
Gross Charges By Origination Year   (139)
Gross Recoveries By Origination Year   (268)
Allowance for Loan Loss, Net Write offs   (129)
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   90,210
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   4
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   71,940
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   4
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   246
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   1,134,114
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   21,707
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   720
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   17,526
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   8,350
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   1,614
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   46,939
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   74,684
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   50
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   67,727
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   259
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   115
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   6,826
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   21
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   223
Origination Date 2016 | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   508,786
Gross Charges By Origination Year   (344)
Gross Recoveries By Origination Year   (8)
Allowance for Loan Loss, Net Write offs   336
Origination Date 2016 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   6,248
Origination Date 2016 | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   489,727
Origination Date 2016 | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   6,533
Origination Date 2016 | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   6,278
Origination Date 2016 | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   559,611
Gross Charges By Origination Year   0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Origination Date 2016 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   11,776
Origination Date 2016 | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   547,531
Origination Date 2016 | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   0
Origination Date 2016 | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   304
Prior | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,314,287 1,681,118
Gross Charges By Origination Year (3,298) (1,924)
Gross Recoveries By Origination Year   (11,358)
Allowance for Loan Loss, Net Write offs   (9,434)
Prior | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 38,150 32,194
Gross Charges By Origination Year (354) (188)
Gross Recoveries By Origination Year   (79)
Allowance for Loan Loss, Net Write offs   109
Prior | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,632 14,122
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Prior | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 204 3,970
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
Prior | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 253,195 223,708
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year   (691)
Allowance for Loan Loss, Net Write offs   (691)
Prior | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 913 6,773
Gross Charges By Origination Year 0 (620)
Gross Recoveries By Origination Year   (82)
Allowance for Loan Loss, Net Write offs   538
Prior | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 93,170 105,481
Gross Charges By Origination Year (2,537) (797)
Gross Recoveries By Origination Year   (4,076)
Allowance for Loan Loss, Net Write offs   (3,279)
Prior | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 313,707 238,571
Prior | Term Loans By Origination Date | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 1-2 High Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 208,542 188,411
Prior | Term Loans By Origination Date | 1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3 14
Prior | Term Loans By Origination Date | 1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 14 (50)
Prior | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,854,908 1,345,890
Prior | Term Loans By Origination Date | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 37,838 31,916
Prior | Term Loans By Origination Date | 3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 7,632 14,122
Prior | Term Loans By Origination Date | 3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 204 3,970
Prior | Term Loans By Origination Date | 3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 40,714 34,833
Prior | Term Loans By Origination Date | 3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 910 4,166
Prior | Term Loans By Origination Date | 3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 87,645 89,408
Prior | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 125,087 55,351
Prior | Term Loans By Origination Date | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 238 135
Prior | Term Loans By Origination Date | 5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 3,505 0
Prior | Term Loans By Origination Date | 5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 2,593
Prior | Term Loans By Origination Date | 5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,858 11,911
Prior | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 20,585 41,306
Prior | Term Loans By Origination Date | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 74 143
Prior | Term Loans By Origination Date | 6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 434 464
Prior | Term Loans By Origination Date | 6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 0
Prior | Term Loans By Origination Date | 6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 2,653 4,212
Prior | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,284,814 1,040,218
Gross Charges By Origination Year (326) (264)
Gross Recoveries By Origination Year   (6,073)
Allowance for Loan Loss, Net Write offs   (5,809)
Prior | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 35,343 33,493
Prior | Commercial Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 1,148,386 932,950
Prior | Commercial Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 87,077 40,712
Prior | Commercial Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 14,008 33,063
Prior | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 636,209 254,652
Gross Charges By Origination Year (81) (55)
Gross Recoveries By Origination Year   (357)
Allowance for Loan Loss, Net Write offs   (302)
Prior | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 69,805 16,703
Prior | Residential Real Estate [Member] | Term Loans By Origination Date | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 531,579 234,525
Prior | Residential Real Estate [Member] | Term Loans By Origination Date | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 31,409 0
Prior | Residential Real Estate [Member] | Term Loans By Origination Date | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net $ 3,416 $ 3,424
[1] Amounts with negative balances are loans with zero principal balances and deferred loan origination fees.