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Loans and Leases (Details 5) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2020
Dec. 31, 2019
Mar. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net $ 19,745,305 $ 18,846,872 $ 18,307,697
Allowance for Loan and Lease Losses, Write-offs 20,205    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (1,095)    
Allowance for Loan Loss, Net Write offs 19,110    
Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,792,748    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,008,944 7,972,747 8,159,458
Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,426,224 7,695,496 7,424,354
Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 429,884 440,827 $ 372,161
Allowance for Loan and Lease Losses, Write-offs 473    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (16)    
Allowance for Loan Loss, Net Write offs 457    
Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,087,505    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 6,131,730    
Allowance for Loan and Lease Losses, Write-offs (6,471)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 160    
Allowance for Loan Loss, Net Write offs (6,311)    
Revolving Credit Facility [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,909    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 15,138    
Allowance for Loan and Lease Losses, Write-offs (11)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs (11)    
Revolving Credit Facility [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 5,470    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Revolving Converted To Term Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 93,315    
Allowance for Loan and Lease Losses, Write-offs (897)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs (897)    
Revolving Converted To Term Loan [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 31,658    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Revolving Converted To Term Loan [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 49    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Revolving Converted To Term Loan [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,624    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2020 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 555,736    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 23,686    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 27,771    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 15,749    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2019 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,841,474    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 253,764    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 151,264    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 244,344    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2018 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,952,848    
Allowance for Loan and Lease Losses, Write-offs (168)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 8    
Allowance for Loan Loss, Net Write offs (160)    
Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 711,007    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 90,992    
Allowance for Loan and Lease Losses, Write-offs (85)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs (85)    
Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 341,860    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2017 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,787,770    
Allowance for Loan and Lease Losses, Write-offs (166)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 60    
Allowance for Loan Loss, Net Write offs (106)    
Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 634,325    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 59,260    
Allowance for Loan and Lease Losses, Write-offs (114)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 2    
Allowance for Loan Loss, Net Write offs (112)    
Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 210,871    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2016 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,429,073    
Allowance for Loan and Lease Losses, Write-offs (256)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 175    
Allowance for Loan Loss, Net Write offs (81)    
Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 127,324    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 65,393    
Allowance for Loan and Lease Losses, Write-offs (263)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 1    
Allowance for Loan Loss, Net Write offs (262)    
Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 129,186    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Prior [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,953,359    
Allowance for Loan and Lease Losses, Write-offs (12,247)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 692    
Allowance for Loan Loss, Net Write offs (11,555)    
Prior [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,075    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Prior [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 20,017    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 13    
Allowance for Loan Loss, Net Write offs 13    
Prior [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 136,401    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
1-2 High Pass [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,295,015    
1-2 High Pass [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 704    
1-2 High Pass [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,219,531    
1-2 High Pass [Member] | Revolving Credit Facility [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 651    
1-2 High Pass [Member] | Revolving Credit Facility [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Revolving Converted To Term Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 160    
1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,861    
1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 16    
1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 206,698    
1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 291,695    
1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10    
1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 145,919    
1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 27    
1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 214,459    
1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 205,692    
1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
3-4 Pass [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 16,403,927    
3-4 Pass [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,792,748    
3-4 Pass [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 427,172    
3-4 Pass [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,076,577    
3-4 Pass [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,592,771    
3-4 Pass [Member] | Revolving Credit Facility [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,909    
3-4 Pass [Member] | Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 14,476    
3-4 Pass [Member] | Revolving Credit Facility [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 5,470    
3-4 Pass [Member] | Revolving Converted To Term Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 87,349    
3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 31,658    
3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7    
3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,624    
3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 543,873    
3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 23,686    
3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 27,755    
3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 15,749    
3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,502,983    
3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 253,764    
3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 150,949    
3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 244,344    
3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,462,906    
3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 711,007    
3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 90,399    
3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 331,283    
3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,588,050    
3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 634,325    
3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 59,058    
3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 210,871    
3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,112,224    
3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 127,324    
3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 65,145    
3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 129,186    
3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,513,771    
3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,075    
3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 19,383    
3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 136,050    
5 Special Mention [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 898,658    
5 Special Mention [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,471    
5 Special Mention [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,577    
5 Special Mention [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 271,464    
5 Special Mention [Member] | Revolving Credit Facility [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Revolving Credit Facility [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Revolving Converted To Term Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 228    
5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,000    
5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 132,572    
5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 276    
5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 186,843    
5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 564    
5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,577    
5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 39,327    
5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 175    
5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 93,535    
5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 186    
5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 173,689    
5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 270    
5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 147,705    
6-8 Classified [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 537    
6-8 Classified [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 351    
6-8 Classified [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 47,964    
6-8 Classified [Member] | Revolving Credit Facility [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 11    
6-8 Classified [Member] | Revolving Credit Facility [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Revolving Converted To Term Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 5,578    
6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 42    
6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2    
6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net (779)    
6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 39    
6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 11,404    
6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 19    
6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 14,474    
6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,855    
6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 62    
6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 60,207    
6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 364    
6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 351    
Commercial | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,220,649 4,202,687  
Allowance for Loan and Lease Losses, Write-offs (325)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 119    
Allowance for Loan Loss, Net Write offs (206)    
Commercial | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 66,377    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,832    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 257,882    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 592,118    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 835,714    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 860,751    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 460,827    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Commercial | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,143,148    
Allowance for Loan and Lease Losses, Write-offs (325)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 119    
Allowance for Loan Loss, Net Write offs (206)    
Commercial | 1-2 High Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 88,459    
Commercial | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 15,151    
Commercial | 1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,230    
Commercial | 1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,439    
Commercial | 1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 54,639    
Commercial | 3-4 Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,726,614    
Commercial | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 66,377    
Commercial | 3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,832    
Commercial | 3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 257,882    
Commercial | 3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 535,541    
Commercial | 3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 729,459    
Commercial | 3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 824,199    
Commercial | 3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 372,166    
Commercial | 3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 937,158    
Commercial | 5 Special Mention [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 371,668    
Commercial | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 56,577    
Commercial | 5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 90,921    
Commercial | 5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 18,806    
Commercial | 5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 75,754    
Commercial | 5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 129,610    
Commercial | 6-8 Classified [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 33,908    
Commercial | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Commercial | 6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 183    
Commercial | 6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7,516    
Commercial | 6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,468    
Commercial | 6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 21,741    
Residential Real Estate | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,788,295 3,770,060  
Allowance for Loan and Lease Losses, Write-offs (175)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 5    
Allowance for Loan Loss, Net Write offs (170)    
Residential Real Estate | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 113,997    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 1    
Allowance for Loan Loss, Net Write offs 1    
Residential Real Estate | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,670    
Allowance for Loan and Lease Losses, Write-offs (175)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs (175)    
Residential Real Estate | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 78,326    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Residential Real Estate | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 888,748    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Residential Real Estate | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,342,405    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Residential Real Estate | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 747,414    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Residential Real Estate | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 332,441    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Residential Real Estate | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 282,294    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 4    
Allowance for Loan Loss, Net Write offs 4    
Residential Real Estate | 1-2 High Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 274,194    
Residential Real Estate | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 37,036    
Residential Real Estate | 1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 87,849    
Residential Real Estate | 1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 44,165    
Residential Real Estate | 1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 55,736    
Residential Real Estate | 1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 49,408    
Residential Real Estate | 3-4 Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,504,527    
Residential Real Estate | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 111,585    
Residential Real Estate | 3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,096    
Residential Real Estate | 3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 78,326    
Residential Real Estate | 3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 851,712    
Residential Real Estate | 3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,254,556    
Residential Real Estate | 3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 703,249    
Residential Real Estate | 3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 276,705    
Residential Real Estate | 3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 227,298    
Residential Real Estate | 5 Special Mention [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,491    
Residential Real Estate | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,300    
Residential Real Estate | 5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 191    
Residential Real Estate | 5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 6-8 Classified [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7,083    
Residential Real Estate | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 112    
Residential Real Estate | 6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,383    
Residential Real Estate | 6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Residential Real Estate | 6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 5,588    
Asset-based | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,938,402 3,748,407  
Allowance for Loan and Lease Losses, Write-offs (11,550)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 365    
Allowance for Loan Loss, Net Write offs (11,185)    
Asset-based | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,546,645    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 42    
Allowance for Loan Loss, Net Write offs 42    
Asset-based | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 22,390    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Asset-based | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 55,228    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Asset-based | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 403,236    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Asset-based | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 360,158    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Asset-based | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 133,907    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Asset-based | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 235,137    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Asset-based | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 181,701    
Allowance for Loan and Lease Losses, Write-offs (11,550)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 323    
Allowance for Loan Loss, Net Write offs (11,227)    
Asset-based | 1-2 High Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,387,752    
Asset-based | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 701,522    
Asset-based | 1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,832    
Asset-based | 1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 164,402    
Asset-based | 1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 188,677    
Asset-based | 1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 74,590    
Asset-based | 1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 150,284    
Asset-based | 1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 97,445    
Asset-based | 3-4 Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,375,296    
Asset-based | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,806,634    
Asset-based | 3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 22,390    
Asset-based | 3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 44,396    
Asset-based | 3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 202,867    
Asset-based | 3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 123,136    
Asset-based | 3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 39,665    
Asset-based | 3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 69,392    
Asset-based | 3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 66,816    
Asset-based | 5 Special Mention [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 152,136    
Asset-based | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 31,143    
Asset-based | 5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 35,967    
Asset-based | 5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 48,345    
Asset-based | 5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 19,652    
Asset-based | 5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 15,461    
Asset-based | 5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,568    
Asset-based | 6-8 Classified [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 23,218    
Asset-based | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7,346    
Asset-based | 6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Asset-based | 6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 15,872    
Venture Capital Loans | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,715,837 2,179,422  
Venture Capital Loans | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,715,837    
Allowance for Loan and Lease Losses, Write-offs (343)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 185    
Allowance for Loan Loss, Net Write offs (158)    
Venture Capital Loans | Revolving Credit Facility [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,189,578    
Allowance for Loan and Lease Losses, Write-offs (85)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 17    
Allowance for Loan Loss, Net Write offs (68)    
Venture Capital Loans | Revolving Converted To Term Loan [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 6,854    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Venture Capital Loans | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 85,493    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Venture Capital Loans | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 206,172    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Venture Capital Loans | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 151,684    
Allowance for Loan and Lease Losses, Write-offs (83)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs (83)    
Venture Capital Loans | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 21,086    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 46    
Allowance for Loan Loss, Net Write offs 46    
Venture Capital Loans | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 37,174    
Allowance for Loan and Lease Losses, Write-offs 7    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 119    
Allowance for Loan Loss, Net Write offs 126    
Venture Capital Loans | Prior [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 17,796    
Allowance for Loan and Lease Losses, Write-offs (182)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 3    
Allowance for Loan Loss, Net Write offs (179)    
Venture Capital Loans | 1-2 High Pass [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 395,736    
Venture Capital Loans | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 389,952    
Venture Capital Loans | 1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,798    
Venture Capital Loans | 1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net (8)    
Venture Capital Loans | 1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net (2)    
Venture Capital Loans | 1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 996    
Venture Capital Loans | 3-4 Pass [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,115,044    
Venture Capital Loans | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,694,848    
Venture Capital Loans | 3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 6,854    
Venture Capital Loans | 3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 84,493    
Venture Capital Loans | 3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 162,533    
Venture Capital Loans | 3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 104,081    
Venture Capital Loans | 3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 14,226    
Venture Capital Loans | 3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 37,176    
Venture Capital Loans | 3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,833    
Venture Capital Loans | 5 Special Mention [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 173,947    
Venture Capital Loans | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 96,848    
Venture Capital Loans | 5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,000    
Venture Capital Loans | 5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 39,663    
Venture Capital Loans | 5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 36,436    
Venture Capital Loans | 5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 6-8 Classified [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 31,110    
Venture Capital Loans | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7,930    
Venture Capital Loans | 6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net (822)    
Venture Capital Loans | 6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 11,167    
Venture Capital Loans | 6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 6,868    
Venture Capital Loans | 6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Venture Capital Loans | 6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 5,967    
Other Commercial | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,771,985 $ 1,767,667  
Allowance for Loan and Lease Losses, Write-offs (7,339)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 405    
Allowance for Loan Loss, Net Write offs (6,934)    
Other Commercial | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,185,616    
Allowance for Loan and Lease Losses, Write-offs (6,375)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 100    
Allowance for Loan Loss, Net Write offs (6,275)    
Other Commercial | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 22,238    
Allowance for Loan and Lease Losses, Write-offs (722)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs (722)    
Other Commercial | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 11,601    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Other Commercial | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 101,828    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 0    
Other Commercial | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 119,028    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 8    
Allowance for Loan Loss, Net Write offs 8    
Other Commercial | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 120,156    
Allowance for Loan and Lease Losses, Write-offs (52)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 12    
Allowance for Loan Loss, Net Write offs (40)    
Other Commercial | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 41,591    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 55    
Allowance for Loan Loss, Net Write offs 55    
Other Commercial | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 169,927    
Allowance for Loan and Lease Losses, Write-offs (190)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 230    
Allowance for Loan Loss, Net Write offs 40    
Other Commercial | 1-2 High Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 148,170    
Other Commercial | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 127,406    
Other Commercial | 1-2 High Pass [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 160    
Other Commercial | 1-2 High Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 13    
Other Commercial | 1-2 High Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 462    
Other Commercial | 1-2 High Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8    
Other Commercial | 1-2 High Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 16,915    
Other Commercial | 1-2 High Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2    
Other Commercial | 1-2 High Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,204    
Other Commercial | 3-4 Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,385,949    
Other Commercial | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 884,472    
Other Commercial | 3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 17,888    
Other Commercial | 3-4 Pass [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 11,586    
Other Commercial | 3-4 Pass [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 101,273    
Other Commercial | 3-4 Pass [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 118,985    
Other Commercial | 3-4 Pass [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 102,457    
Other Commercial | 3-4 Pass [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 35,130    
Other Commercial | 3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 114,158    
Other Commercial | 5 Special Mention [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 186,368    
Other Commercial | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 141,173    
Other Commercial | 5 Special Mention [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 37    
Other Commercial | 5 Special Mention [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Other Commercial | 5 Special Mention [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 89    
Other Commercial | 5 Special Mention [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 0    
Other Commercial | 5 Special Mention [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 694    
Other Commercial | 5 Special Mention [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,134    
Other Commercial | 5 Special Mention [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 42,241    
Other Commercial | 6-8 Classified [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 51,498    
Other Commercial | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 32,565    
Other Commercial | 6-8 Classified [Member] | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,153    
Other Commercial | 6-8 Classified [Member] | Origination Date 2020 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2    
Other Commercial | 6-8 Classified [Member] | Origination Date 2019 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4    
Other Commercial | 6-8 Classified [Member] | Origination Date 2018 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 35    
Other Commercial | 6-8 Classified [Member] | Origination Date 2017 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 90    
Other Commercial | 6-8 Classified [Member] | Origination Date 2016 [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,325    
Other Commercial | 6-8 Classified [Member] | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net $ 10,324