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Loans and Leases (Details 5) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net $ (22,941,548) $ (19,083,377)
Gross Charges By Origination Year (10,715) (93,589)
Gross Recoveries By Origination Year (12,598) (6,368)
Allowance for Loan Loss, Net Write offs (1,883) 87,221
Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (11,178,720) (7,899,936)
Real Estate Construction [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (3,437,127) (3,360,281)
Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (7,868,051) (7,502,905)
Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (457,650) (320,255)
Gross Charges By Origination Year (1,507) (798)
Gross Recoveries By Origination Year (120) (201)
Allowance for Loan Loss, Net Write offs 1,387 597
Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (832,591) (1,117,121)
Gross Charges By Origination Year (775) 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 775 0
Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,604,536) (2,243,160)
Gross Charges By Origination Year (7) 0
Gross Recoveries By Origination Year 0 (21)
Allowance for Loan Loss, Net Write offs 7 (21)
Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (4,075,477) (3,429,283)
Gross Charges By Origination Year (232) (11,817)
Gross Recoveries By Origination Year (719) (708)
Allowance for Loan Loss, Net Write offs (487) 11,109
Venture Capital Loans [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,320,593) (1,698,508)
Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,320,593) (1,698,508)
Gross Charges By Origination Year (620) (6,819)
Gross Recoveries By Origination Year (404) (1,261)
Allowance for Loan Loss, Net Write offs 216 5,558
Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,471,981) (2,375,114)
Gross Charges By Origination Year (6,446) (63,469)
Gross Recoveries By Origination Year (4,588) (3,560)
Allowance for Loan Loss, Net Write offs 1,858 59,909
1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,316,130) (2,640,712)
1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (702) (546)
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 (1,531,301) (1,027,727)
1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (230,829) (174,136)
1-2 High Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (176,741) (1,133,860)
3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (20,117,703) (15,456,118)
3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (454,668) (316,515)
3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (764,864) (966,971)
3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,598,101) (2,242,401)
3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,461,280) (2,220,388)
3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,070,137) (1,399,739)
3-4 Pass | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,258,053) (1,138,767)
5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (391,611) (721,285)
5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,841) (2,732)
5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (67,727) (107,592)
5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,720) (759)
5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (78,305) (153,301)
5 Special Mention | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (14,833) (118,125)
5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (15,528) (14,930)
6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (116,104) (265,262)
6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (439) (462)
6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 (42,558)
6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (4,715) 0
6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (4,591) (27,867)
6-8 Classified | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (4,794) (6,508)
6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (21,659) (87,557)
Revolving Credit Facility    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (5,526,869) (4,444,169)
Gross Charges By Origination Year (985) (27,498)
Gross Recoveries By Origination Year (86) (787)
Allowance for Loan Loss, Net Write offs 899 26,711
Revolving Credit Facility | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (6,335) (9,047)
Gross Charges By Origination Year 0 (22)
Gross Recoveries By Origination Year (1) 0
Allowance for Loan Loss, Net Write offs (1) 22
Revolving Credit Facility | Commercial Real Estate Construction Loan Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (18,190) (7,583)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 0
Revolving Credit Facility | Residential Real Estate Construction Financing Receivable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (28,804) (9,034)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 0
Revolving Credit Facility | Asset Based [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,715,753) (2,058,083)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year (28) (236)
Allowance for Loan Loss, Net Write offs (28) (236)
Revolving Credit Facility | Venture Capital Loans [Member] | Venture Capital Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,943,854) (1,376,195)
Gross Charges By Origination Year 0 (144)
Gross Recoveries By Origination Year 0 (450)
Allowance for Loan Loss, Net Write offs 0 (306)
Revolving Credit Facility | Other Commercial [Member] | Commercial Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (642,195) (806,675)
Gross Charges By Origination Year (985) (27,332)
Gross Recoveries By Origination Year (57) (100)
Allowance for Loan Loss, Net Write offs 928 27,232
Revolving Credit Facility | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (982,446) (517,104)
Revolving Credit Facility | 1-2 High Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (646) (509)
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 (706,656) (275,093)
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 (228,820) (167,296)
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 (18,206) (74,206)
Revolving Credit Facility | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (4,511,074) (3,771,354)
Revolving Credit Facility | 3-4 Pass | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (5,689) (8,536)
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 (18,190) (7,583)
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 (28,804) (9,034)
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 (1,992,677) (1,750,934)
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 (1,715,057) (1,161,606)
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 (607,197) (657,088)
Revolving Credit Facility | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (13,597) (71,218)
Revolving Credit Facility | 5 Special Mention | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 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 (12,393) (23,257)
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 (17) (46,765)
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 (1,061) (335)
Revolving Credit Facility | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (19,752) (84,493)
Revolving Credit Facility | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net 0 (2)
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 (4,027) (8,799)
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 (6) (528)
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 (15,731) (75,046)
Revolving Converted To Term Loan    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (105,951) (216,674)
Gross Charges By Origination Year (2,650) (2,337)
Gross Recoveries By Origination Year (446) (19)
Allowance for Loan Loss, Net Write offs 2,204 2,318
Revolving Converted To Term Loan | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (19) (105)
Gross Charges By Origination Year (54) (9)
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 54 9
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 0
Allowance for Loan Loss, Net Write offs 0 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 (10,672) (53,035)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (60,731) (121,850)
Gross Charges By Origination Year (232) 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 232 0
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 (10,502) (10,739)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (11,623) (15,602)
Gross Charges By Origination Year (2,364) (1,871)
Gross Recoveries By Origination Year (145) (19)
Allowance for Loan Loss, Net Write offs 2,219 1,852
Revolving Converted To Term Loan | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (51,188) (72,097)
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 (50,495) (72,017)
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 0 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 (693) (80)
Revolving Converted To Term Loan | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (46,987) (126,955)
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 (78)
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 (10,672) (53,035)
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 (6,158) (46,078)
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 (8,202) (5,725)
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 (9,822) (7,533)
Revolving Converted To Term Loan | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (4,039) (10,591)
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 (3,978) (4,655)
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 0 (5,014)
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 (61) (922)
Revolving Converted To Term Loan | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (3,737) (7,031)
Revolving Converted To Term Loan | 6-8 Classified | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (19) (27)
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 (100) (900)
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 (2,300) 0
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 (1,047) (7,067)
Commercial Real Estate [Member] | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (3,762,299) (4,096,671)
Gross Charges By Origination Year (965) (10,178)
Gross Recoveries By Origination Year (6,081) (289)
Allowance for Loan Loss, Net Write offs (5,116) 9,889
Commercial Real Estate [Member] | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (90,046) (99,799)
Commercial Real Estate [Member] | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (3,418,238) (3,642,867)
Commercial Real Estate [Member] | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (191,809) (262,462)
Commercial Real Estate [Member] | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (62,206) (91,543)
Commercial Real Estate [Member] | Revolving Credit Facility | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (51,808) (62,586)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (3) 0
Commercial Real Estate [Member] | Revolving Credit Facility | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (51,805) (62,586)
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 (11,977) (13,978)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (11,977) (13,978)
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 (7,416,421) (3,803,265)
Gross Charges By Origination Year (163) (508)
Gross Recoveries By Origination Year (686) (328)
Allowance for Loan Loss, Net Write offs (523) 180
Residential Real Estate [Member] | 1-2 High Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (286,511) (204,644)
Residential Real Estate [Member] | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (7,092,362) (3,528,470)
Residential Real Estate [Member] | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (19,848) (61,384)
Residential Real Estate [Member] | 6-8 Classified | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (17,700) (8,767)
Residential Real Estate [Member] | Revolving Credit Facility | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (119,930) (114,966)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 (1)
Allowance for Loan Loss, Net Write offs 0 (1)
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 (28,115) 0
Residential Real Estate [Member] | Revolving Credit Facility | 3-4 Pass | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (91,655) (113,987)
Residential Real Estate [Member] | Revolving Credit Facility | 5 Special Mention | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (160) (861)
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 (118)
Residential Real Estate [Member] | Revolving Converted To Term Loan | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (427) (1,365)
Gross Charges By Origination Year 0 (457)
Gross Recoveries By Origination Year (301) 0
Allowance for Loan Loss, Net Write offs (301) 457
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 (156) (528)
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 (271) (837)
Origination Date 2021 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (7,258,473)  
Gross Charges By Origination Year (2,027)  
Gross Recoveries By Origination Year (28)  
Allowance for Loan Loss, Net Write offs 1,999  
Origination Date 2021 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (262,511)  
Gross Charges By Origination Year 0  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 0  
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 (96,108)  
Gross Charges By Origination Year 0  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 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 (850,313)  
Gross Charges By Origination Year (7)  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 7  
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 (381,045)  
Gross Charges By Origination Year 0  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 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 (239,047)  
Gross Charges By Origination Year 0  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 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 (421,159)  
Gross Charges By Origination Year (1,992)  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 1,992  
Origination Date 2021 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (369,274)  
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 (36)  
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 (138,836)  
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 0  
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 (134,825)  
Origination Date 2021 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (6,869,712)  
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 (261,678)  
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 (96,108)  
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 (849,188)  
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 (242,209)  
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 (229,567)  
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 (286,281)  
Origination Date 2021 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (12,924)  
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 (797)  
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 (276)  
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 (8,980)  
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 0  
Origination Date 2021 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (6,563)  
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 0  
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 (849)  
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 (500)  
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 (53)  
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 (500,187)  
Gross Charges By Origination Year 0  
Gross Recoveries By Origination Year 0  
Allowance for Loan Loss, Net Write offs 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 (561)  
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 (499,626)  
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 (4,508,103)  
Gross Charges By Origination Year (28)  
Gross Recoveries By Origination Year (28)  
Allowance for Loan Loss, Net Write offs 0  
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 (95,016)  
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 (4,405,055)  
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 (2,871)  
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 (5,161)  
Origination Date 2020 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,310,266) (3,061,972)
Gross Charges By Origination Year (265) 0
Gross Recoveries By Origination Year 0 (52)
Allowance for Loan Loss, Net Write offs 265 (52)
Origination Date 2020 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (24,591) (40,645)
Gross Charges By Origination Year (185) 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 185 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 (96,448) (66,114)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (677,327) (345,893)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 0
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 (144,655) (271,468)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 (52)
Allowance for Loan Loss, Net Write offs 0 (52)
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 (63,060) (71,776)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (96,176) (1,146,282)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 0
Origination Date 2020 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (135,778) (1,234,380)
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 (11) (15)
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 (72,725) (116,247)
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 (1,999) (1,999)
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 (22,556) (1,057,405)
Origination Date 2020 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,152,244) (1,789,708)
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 (24,195) (40,585)
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 (96,448) (66,114)
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 (672,864) (345,134)
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 (71,930) (155,221)
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 (58,283) (48,132)
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 (73,328) (88,875)
Origination Date 2020 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (13,238) (37,378)
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 (363) (45)
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 (1,185) (759)
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 (2,778) (21,645)
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 (291) 0
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (9,006) (506)
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 (22) 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 (3,278) 0
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 0 0
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 (1) (2)
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 (546,436) (557,269)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (9,148) 0
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 (531,989) (554,143)
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 (4,811) (2,622)
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 (488) (504)
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 (661,573) (562,525)
Gross Charges By Origination Year (80) 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 80 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 (29,339) (58,714)
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 (623,207) (491,504)
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 (3,810) (12,307)
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 (5,217) 0
Origination Date 2019 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,803,560) (3,147,680)
Gross Charges By Origination Year (965) (97)
Gross Recoveries By Origination Year (169) (18)
Allowance for Loan Loss, Net Write offs 796 79
Origination Date 2019 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (74,479) (111,165)
Gross Charges By Origination Year (654) (97)
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 654 97
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 (386,832) (369,588)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (851,715) (670,894)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (286,835) (318,077)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (46,506) (149,023)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year (127) 0
Allowance for Loan Loss, Net Write offs (127) 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 (78,144) (96,094)
Gross Charges By Origination Year (122) 0
Gross Recoveries By Origination Year (42) (18)
Allowance for Loan Loss, Net Write offs 80 (18)
Origination Date 2019 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (268,730) (262,764)
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 0 0
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 (178,291) (173,457)
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 0 (4,797)
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 (261) (380)
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (2,390,507) (2,699,583)
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 (73,860) (110,993)
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 (386,832) (369,588)
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 (851,127) (670,894)
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 (59,748) (84,798)
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 (46,007) (103,437)
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 (77,487) (95,110)
Origination Date 2019 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (126,180) (185,189)
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 (496) (137)
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 0 0
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 (48,796) (59,822)
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 (499) (42,499)
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 (1) (40)
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (18,143) (144)
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 (123) (35)
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 (588) 0
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 (1,710)
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 (395) (564)
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 (434,450) (521,828)
Gross Charges By Origination Year (189) 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 189 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 (32,304) (28,304)
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 (321,728) (413,785)
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 (63,381) (78,484)
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 (17,037) (1,255)
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 (644,599) (911,011)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 0
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 (57,874) (55,826)
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 (573,718) (850,978)
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 (13,007) (4,207)
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 0 0
Origination Date 2018 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,949,477) (3,524,108)
Gross Charges By Origination Year (1,146) (6,773)
Gross Recoveries By Origination Year (64) (487)
Allowance for Loan Loss, Net Write offs 1,082 6,286
Origination Date 2018 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (35,739) (64,469)
Gross Charges By Origination Year (156) (86)
Gross Recoveries By Origination Year (27) (1)
Allowance for Loan Loss, Net Write offs 129 85
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 (152,444) (397,691)
Gross Charges By Origination Year (775) 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 775 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 (163,950) (849,819)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (182,460) (238,958)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (9,241) (44,020)
Gross Charges By Origination Year 0 (6,533)
Gross Recoveries By Origination Year (37) (478)
Allowance for Loan Loss, Net Write offs (37) 6,055
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 (69,680) (101,663)
Gross Charges By Origination Year (47) 0
Gross Recoveries By Origination Year 0 (8)
Allowance for Loan Loss, Net Write offs 47 (8)
Origination Date 2018 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (179,933) (145,321)
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 (5) (8)
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 (123,947) (111,630)
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 (4) (4)
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,667,175) (3,134,344)
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 (35,623) (62,833)
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 (152,444) (357,295)
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 (163,950) (849,819)
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 (45,375) (85,539)
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 (7,241) (37,818)
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 (67,591) (99,434)
Origination Date 2018 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (91,598) (230,012)
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 0 (1,628)
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 (40,396)
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 0 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 (13,138) (41,789)
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 0 (2,202)
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 (2,088) (2,145)
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (10,771) (14,431)
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 (111) 0
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 0
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 (2,000) (4,000)
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 (3) (80)
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 (668,437) (686,231)
Gross Charges By Origination Year (168) (154)
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 168 154
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 (8,289) (4,848)
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 (578,436) (574,497)
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 (76,372) (99,397)
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 (5,340) (7,489)
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 (667,526) (1,141,257)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (47,688) (28,831)
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 (616,515) (1,067,109)
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 0 (42,455)
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 (3,323) (2,862)
Origination Date 2017 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,305,834) (2,091,555)
Gross Charges By Origination Year (753) (4,013)
Gross Recoveries By Origination Year (447) (229)
Allowance for Loan Loss, Net Write offs 306 3,784
Origination Date 2017 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (21,782) (39,347)
Gross Charges By Origination Year (270) (177)
Gross Recoveries By Origination Year (13) (10)
Allowance for Loan Loss, Net Write offs 257 167
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 (68,447) (185,782)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 0
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 (17,785) (285,072)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (80,290) (121,194)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (1,610) (7,785)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year (158) (176)
Allowance for Loan Loss, Net Write offs (158) (176)
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 (47,523) (78,717)
Gross Charges By Origination Year (139) (506)
Gross Recoveries By Origination Year (268) (34)
Allowance for Loan Loss, Net Write offs (129) 472
Origination Date 2017 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (90,210) (115,821)
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 (4) (14)
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 (71,940) (69,244)
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 (4) (4)
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 (246) (366)
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,134,114) (1,874,377)
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 (21,707) (39,036)
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 (720) (118,586)
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 (17,526) (285,072)
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 (8,350) (42,928)
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 (1,614) (7,789)
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 (46,939) (77,557)
Origination Date 2017 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (74,684) (93,222)
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 (50) (261)
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 (67,727) (67,196)
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 (259) 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 (9,022)
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 (115) (564)
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (6,826) (8,135)
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 (21) (36)
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 0
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 (223) (230)
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 (508,786) (761,181)
Gross Charges By Origination Year (344) (3,330)
Gross Recoveries By Origination Year (8) (9)
Allowance for Loan Loss, Net Write offs 336 3,321
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 (6,248) (13,184)
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 (489,727) (725,503)
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 (6,533) (14,625)
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 (6,278) (7,869)
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 (559,611) (612,477)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (11,776) (33,017)
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 (547,531) (577,906)
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 0 (1,554)
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 (304) 0
Origination Date 2016 | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   (1,069,061)
Gross Charges By Origination Year   (594)
Gross Recoveries By Origination Year   (396)
Allowance for Loan Loss, Net Write offs   198
Origination Date 2016 | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   (42,101)
Gross Charges By Origination Year   (363)
Gross Recoveries By Origination Year   (16)
Allowance for Loan Loss, Net Write offs   347
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   (78,270)
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   (28,725)
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   (163,756)
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   (29,734)
Gross Charges By Origination Year   (8)
Gross Recoveries By Origination Year   (154)
Allowance for Loan Loss, Net Write offs   (162)
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   (24,613)
Gross Charges By Origination Year   (239)
Gross Recoveries By Origination Year   (226)
Allowance for Loan Loss, Net Write offs   13
Origination Date 2016 | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   (153,135)
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   0
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   (121,838)
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   (69)
Origination Date 2016 | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   (811,511)
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   (41,623)
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   (36,027)
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   (28,725)
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   (8,227)
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   (29,738)
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   (23,305)
Origination Date 2016 | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   (25,147)
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   (422)
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   0
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   0
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   (14,274)
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   (484)
Origination Date 2016 | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net   (79,268)
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   (56)
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   (42,243)
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   (19,417)
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   (755)
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   (444,372)
Gross Charges By Origination Year   0
Gross Recoveries By Origination Year   0
Allowance for Loan Loss, Net Write offs   0
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   (12,241)
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   (405,367)
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   (9,967)
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   (16,797)
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   (257,490)
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   (18,991)
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   (238,499)
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   0
Prior | Term Loans By Origination Date    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,681,118) (1,528,158)
Gross Charges By Origination Year (1,924) (52,277)
Gross Recoveries By Origination Year (11,358) (4,380)
Allowance for Loan Loss, Net Write offs (9,434) 47,897
Prior | Term Loans By Origination Date | Consumer Portfolio Segment [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (32,194) (13,376)
Gross Charges By Origination Year (188) (44)
Gross Recoveries By Origination Year (79) (174)
Allowance for Loan Loss, Net Write offs 109 (130)
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 (14,122) (12,093)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 0
Allowance for Loan Loss, Net Write offs 0 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 (3,970) (688)
Gross Charges By Origination Year 0 0
Gross Recoveries By Origination Year 0 (21)
Allowance for Loan Loss, Net Write offs 0 (21)
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 (223,708) (135,897)
Gross Charges By Origination Year 0 (11,817)
Gross Recoveries By Origination Year (691) (420)
Allowance for Loan Loss, Net Write offs (691) 11,397
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 (6,773) (9,236)
Gross Charges By Origination Year (620) (150)
Gross Recoveries By Origination Year (82) (3)
Allowance for Loan Loss, Net Write offs 538 147
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 (105,481) (105,468)
Gross Charges By Origination Year (797) (33,521)
Gross Recoveries By Origination Year (4,076) (3,155)
Allowance for Loan Loss, Net Write offs (3,279) 30,366
Prior | Term Loans By Origination Date | 1-2 High Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (238,571) (140,090)
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 (188,411) (88,201)
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 (14) (52)
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 (50) (1,350)
Prior | Term Loans By Origination Date | 3-4 Pass    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,345,890) (1,248,286)
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 (31,916) (12,831)
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 (14,122) (11,778)
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 (3,970) (688)
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 (34,833) (46,663)
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 (4,166) (5,494)
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 (89,408) (89,865)
Prior | Term Loans By Origination Date | 5 Special Mention    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (55,351) (68,528)
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 (135) (239)
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 0 (482)
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 (2,593) 0
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 (11,911) (10,440)
Prior | Term Loans By Origination Date | 6-8 Classified    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (41,306) (71,254)
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 (143) (306)
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 (315)
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 (464) (551)
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 (3,690)
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 (4,212) (3,813)
Prior | Commercial Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (1,040,218) (1,049,226)
Gross Charges By Origination Year (264) (6,694)
Gross Recoveries By Origination Year (6,073) (280)
Allowance for Loan Loss, Net Write offs (5,809) 6,414
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 (33,493) (41,222)
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 (932,950) (893,008)
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 (40,712) (57,367)
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 (33,063) (57,629)
Prior | Residential Real Estate [Member] | Term Loans By Origination Date | Mortgages [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Loans held for investment, net (254,652) (202,174)
Gross Charges By Origination Year (55) (51)
Gross Recoveries By Origination Year (357) (327)
Allowance for Loan Loss, Net Write offs (302) (276)
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 (16,703) (9,265)
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 (234,525) (187,959)
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 0 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 $ (3,424) $ (4,950)