Loans and Leases (Details 5) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	$ (19,083,377)	$ (18,846,872)
Gross Charges By Origination Year	93,589
Gross Recoveries By Origination Year	(6,368)
Allowance for Loan Loss, Net Write offs	87,221
Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(7,899,936)	(7,972,747)
Real Estate Construction [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,360,281)	(2,737,802)
Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(7,502,905)	(7,695,496)
Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(320,255)	(440,827)
Gross Charges By Origination Year	798
Gross Recoveries By Origination Year	(201)
Allowance for Loan Loss, Net Write offs	597
Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,117,121)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,243,160)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(21)
Allowance for Loan Loss, Net Write offs	(21)
Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,429,283)	(3,748,407)
Gross Charges By Origination Year	11,817
Gross Recoveries By Origination Year	(708)
Allowance for Loan Loss, Net Write offs	11,109
Venture Capital Loans [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,698,508)	(2,179,422)
Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,698,508)
Gross Charges By Origination Year	6,819
Gross Recoveries By Origination Year	(1,261)
Allowance for Loan Loss, Net Write offs	5,558
Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,375,114)	(1,767,667)
Gross Charges By Origination Year	63,469
Gross Recoveries By Origination Year	(3,560)
Allowance for Loan Loss, Net Write offs	59,909
1-2 High Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,640,712)
1-2 High Pass | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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
1-2 High Pass | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	0
1-2 High Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,027,727)
1-2 High Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(1,133,860)
3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(15,456,118)
3-4 Pass | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(316,515)
3-4 Pass | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(966,971)
3-4 Pass | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,242,401)
3-4 Pass | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,220,388)
3-4 Pass | Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(1,138,767)
5 Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(721,285)
5 Special Mention | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,732)
5 Special Mention | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(107,592)
5 Special Mention | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(759)
5 Special Mention | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(118,125)
5 Special Mention | Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(14,930)
6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(265,262)
6-8 Classified | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(462)
6-8 Classified | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(42,558)
6-8 Classified | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	0
6-8 Classified | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(6,508)
6-8 Classified | Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(87,557)
Revolving Credit Facility
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(4,444,169)
Gross Charges By Origination Year	27,498
Gross Recoveries By Origination Year	(787)
Allowance for Loan Loss, Net Write offs	26,711
Revolving Credit Facility | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(9,047)
Gross Charges By Origination Year	22
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	22
Revolving Credit Facility | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(7,583)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Revolving Credit Facility | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(9,034)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Revolving Credit Facility | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,058,083)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(236)
Allowance for Loan Loss, Net Write offs	(236)
Revolving Credit Facility | Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,376,195)
Gross Charges By Origination Year	144
Gross Recoveries By Origination Year	(450)
Allowance for Loan Loss, Net Write offs	(306)
Revolving Credit Facility | Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(806,675)
Gross Charges By Origination Year	27,332
Gross Recoveries By Origination Year	(100)
Allowance for Loan Loss, Net Write offs	27,232
Revolving Credit Facility | 1-2 High Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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
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
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	(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	(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	(74,206)
Revolving Credit Facility | 3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	(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	(1,750,934)
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	(1,161,606)
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	(657,088)
Revolving Credit Facility | 5 Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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
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
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
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	(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	(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	(335)
Revolving Credit Facility | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(84,493)
Revolving Credit Facility | 6-8 Classified | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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
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
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	(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	(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	(75,046)
Revolving Converted To Term Loan
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(216,674)
Gross Charges By Origination Year	2,337
Gross Recoveries By Origination Year	(19)
Allowance for Loan Loss, Net Write offs	2,318
Revolving Converted To Term Loan | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(105)
Gross Charges By Origination Year	9
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Revolving Converted To Term Loan | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(53,035)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Revolving Converted To Term Loan | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(121,850)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(10,739)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Revolving Converted To Term Loan | Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(15,602)
Gross Charges By Origination Year	1,871
Gross Recoveries By Origination Year	(19)
Allowance for Loan Loss, Net Write offs	1,852
Revolving Converted To Term Loan | 1-2 High Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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
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
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
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	(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
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	(80)
Revolving Converted To Term Loan | 3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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
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	(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	(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	(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	(7,533)
Revolving Converted To Term Loan | 5 Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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
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
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
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	(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	(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	(922)
Revolving Converted To Term Loan | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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
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
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	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	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	(7,067)
Commercial Real Estate [Member] | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(4,096,671)	(4,202,687)
Gross Charges By Origination Year	10,178
Gross Recoveries By Origination Year	(289)
Allowance for Loan Loss, Net Write offs	9,889
Commercial Real Estate [Member] | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(99,799)
Commercial Real Estate [Member] | 3-4 Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,642,867)
Commercial Real Estate [Member] | 5 Special Mention | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(262,462)
Commercial Real Estate [Member] | 6-8 Classified | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(91,543)
Commercial Real Estate [Member] | Revolving Credit Facility | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(62,586)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Commercial Real Estate [Member] | Revolving Credit Facility | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	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	(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
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
Commercial Real Estate [Member] | Revolving Converted To Term Loan | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(13,978)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Commercial Real Estate [Member] | Revolving Converted To Term Loan | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	0
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	(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
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
Residential Real Estate [Member] | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,803,265)	$ (3,770,060)
Gross Charges By Origination Year	508
Gross Recoveries By Origination Year	(328)
Allowance for Loan Loss, Net Write offs	180
Residential Real Estate [Member] | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(204,644)
Residential Real Estate [Member] | 3-4 Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,528,470)
Residential Real Estate [Member] | 5 Special Mention | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(61,384)
Residential Real Estate [Member] | 6-8 Classified | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(8,767)
Residential Real Estate [Member] | Revolving Credit Facility | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(114,966)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(1)
Allowance for Loan Loss, Net Write offs	(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	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	(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	(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	(118)
Residential Real Estate [Member] | Revolving Converted To Term Loan | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,365)
Gross Charges By Origination Year	457
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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
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	(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
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	(837)
Origination Date 2020 | Term Loans By Origination Date
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,061,972)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(52)
Allowance for Loan Loss, Net Write offs	(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	(40,645)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2020 | Term Loans By Origination Date | Commercial Real Estate Construction Loan Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(66,114)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2020 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(345,893)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(271,468)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(52)
Allowance for Loan Loss, Net Write offs	(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	(71,776)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2020 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,146,282)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(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	(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
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
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	(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)
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	(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	(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	(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	(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	(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	(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	(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	(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	(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	(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
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	(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
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	(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	0
Origination Date 2020 | Term Loans By Origination Date | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	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
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	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
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
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	(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	(557,269)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2020 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	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	(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	(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	(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	(562,525)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2020 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	0
Origination Date 2019 | Term Loans By Origination Date
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,147,680)
Gross Charges By Origination Year	97
Gross Recoveries By Origination Year	(18)
Allowance for Loan Loss, Net Write offs	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	(111,165)
Gross Charges By Origination Year	97
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(369,588)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2019 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(670,894)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2019 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(318,077)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2019 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(149,023)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2019 | Term Loans By Origination Date | Other Commercial [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(96,094)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(18)
Allowance for Loan Loss, Net Write offs	(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	(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
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
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
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	(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	(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	(380)
Origination Date 2019 | Term Loans By Origination Date | 3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,699,583)
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	(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	(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	(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	(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	(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	(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	(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	(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
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
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	(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	(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	(40)
Origination Date 2019 | Term Loans By Origination Date | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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
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	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
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	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	(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	(521,828)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2019 | Commercial Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	(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	(911,011)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(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	(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	(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
Origination Date 2018 | Term Loans By Origination Date
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(3,524,108)
Gross Charges By Origination Year	6,773
Gross Recoveries By Origination Year	(487)
Allowance for Loan Loss, Net Write offs	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	(64,469)
Gross Charges By Origination Year	86
Gross Recoveries By Origination Year	(1)
Allowance for Loan Loss, Net Write offs	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	(397,691)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2018 | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(849,819)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2018 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(238,958)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2018 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(44,020)
Gross Charges By Origination Year	6,533
Gross Recoveries By Origination Year	(478)
Allowance for Loan Loss, Net Write offs	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	(101,663)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(8)
Allowance for Loan Loss, Net Write offs	(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	(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	(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
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
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	(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
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)
Origination Date 2018 | Term Loans By Origination Date | 3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	(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	(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	(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	(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	(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	(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	(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
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	(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	(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	(2,145)
Origination Date 2018 | Term Loans By Origination Date | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	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
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
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
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	(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	(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	(686,231)
Gross Charges By Origination Year	154
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(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	(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	(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	(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	(1,141,257)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2018 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	(2,862)
Origination Date 2017 | Term Loans By Origination Date
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(2,091,555)
Gross Charges By Origination Year	4,013
Gross Recoveries By Origination Year	(229)
Allowance for Loan Loss, Net Write offs	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	(39,347)
Gross Charges By Origination Year	177
Gross Recoveries By Origination Year	(10)
Allowance for Loan Loss, Net Write offs	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	(185,782)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	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	(285,072)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2017 | Term Loans By Origination Date | Asset Based [Member] | Commercial Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(121,194)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2017 | Term Loans By Origination Date | Venture Capital Loans [Member] | Venture Capital Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(7,785)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(176)
Allowance for Loan Loss, Net Write offs	(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	(78,717)
Gross Charges By Origination Year	506
Gross Recoveries By Origination Year	(34)
Allowance for Loan Loss, Net Write offs	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	(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	(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
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
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	(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)
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	(366)
Origination Date 2017 | Term Loans By Origination Date | 3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(1,874,377)
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	(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	(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	(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	(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	(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	(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	(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	(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	(67,196)
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	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	(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
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	(564)
Origination Date 2017 | Term Loans By Origination Date | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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
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
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
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
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	(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	(761,181)
Gross Charges By Origination Year	3,330
Gross Recoveries By Origination Year	(9)
Allowance for Loan Loss, Net Write offs	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	(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	(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	(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	(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	(612,477)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Origination Date 2017 | Residential Real Estate [Member] | Term Loans By Origination Date | 1-2 High Pass | Mortgages [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	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	(1,528,158)
Gross Charges By Origination Year	52,277
Gross Recoveries By Origination Year	(4,380)
Allowance for Loan Loss, Net Write offs	47,897
Prior | Term Loans By Origination Date | Consumer Portfolio Segment [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(13,376)
Gross Charges By Origination Year	44
Gross Recoveries By Origination Year	(174)
Allowance for Loan Loss, Net Write offs	(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	(12,093)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	0
Allowance for Loan Loss, Net Write offs	0
Prior | Term Loans By Origination Date | Residential Real Estate Construction Financing Receivable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(688)
Gross Charges By Origination Year	0
Gross Recoveries By Origination Year	(21)
Allowance for Loan Loss, Net Write offs	(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	(135,897)
Gross Charges By Origination Year	11,817
Gross Recoveries By Origination Year	(420)
Allowance for Loan Loss, Net Write offs	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	(9,236)
Gross Charges By Origination Year	150
Gross Recoveries By Origination Year	(3)
Allowance for Loan Loss, Net Write offs	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	(105,468)
Gross Charges By Origination Year	33,521
Gross Recoveries By Origination Year	(3,155)
Allowance for Loan Loss, Net Write offs	30,366
Prior | Term Loans By Origination Date | 1-2 High Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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
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
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
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	(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	(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	(1,350)
Prior | Term Loans By Origination Date | 3-4 Pass
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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	(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	(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	(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	(89,865)
Prior | Term Loans By Origination Date | 5 Special Mention
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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
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
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	(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	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	(10,440)
Prior | Term Loans By Origination Date | 6-8 Classified
Financing Receivable, Credit Quality Indicator [Line Items]
Loans held for investment, net	(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	(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	(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
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	(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	(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	(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	(1,049,226)
Gross Charges By Origination Year	6,694
Gross Recoveries By Origination Year	(280)
Allowance for Loan Loss, Net Write offs	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	(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	(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	(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	(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	(202,174)
Gross Charges By Origination Year	51
Gross Recoveries By Origination Year	(327)
Allowance for Loan Loss, Net Write offs	(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	(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	(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
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	$ (4,950)