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Loans and Leases - Loans Held for Investment by Loan Portfolio Segment (Details) - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2020
Dec. 31, 2019
Jun. 30, 2019
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net $ 19,694,631 $ 18,846,872 $ 18,472,852
Allowance for Loan and Lease Losses, Write-offs 35,991    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (3,639)    
Allowance for Loan Loss, Net Write offs 32,352    
Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,172,919    
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 7,955,734 7,972,747 8,076,026
Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7,987,050 7,695,496 7,574,314
Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 411,319 440,827 $ 446,382
Allowance for Loan and Lease Losses, Write-offs 638    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (41)    
Allowance for Loan Loss, Net Write offs 597    
Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,167,609    
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 4,583,296    
Allowance for Loan and Lease Losses, Write-offs 10,192    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (172)    
Allowance for Loan Loss, Net Write offs 10,020    
Revolving Credit Facility [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 18,714    
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    
Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 11,488    
Allowance for Loan and Lease Losses, Write-offs 21    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 21    
Revolving Credit Facility [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 7,112    
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 214,085    
Allowance for Loan and Lease Losses, Write-offs 1,408    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (2)    
Allowance for Loan Loss, Net Write offs 1,406    
Revolving Converted To Term Loan [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 42,967    
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 41    
Allowance for Loan and Lease Losses, Write-offs 4    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 4    
Revolving Converted To Term Loan [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,772    
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 2,096,030    
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)    
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 177,247    
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 51,091    
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 22,576    
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 2,959,979    
Allowance for Loan and Lease Losses, Write-offs 97    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 97    
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 366,209    
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 139,278    
Allowance for Loan and Lease Losses, Write-offs 97    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 97    
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 285,286    
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 3,905,949    
Allowance for Loan and Lease Losses, Write-offs 6,618    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (50)    
Allowance for Loan Loss, Net Write offs 6,568    
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 783,534    
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 81,688    
Allowance for Loan and Lease Losses, Write-offs 86    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (1)    
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 374,721    
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 2,747,116    
Allowance for Loan and Lease Losses, Write-offs 2,018    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (128)    
Allowance for Loan Loss, Net Write offs 1,890    
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 671,665    
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 52,638    
Allowance for Loan and Lease Losses, Write-offs 135    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (5)    
Allowance for Loan Loss, Net Write offs 130    
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 216,294    
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 1,334,531    
Allowance for Loan and Lease Losses, Write-offs 287    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (223)    
Allowance for Loan Loss, Net Write offs 64    
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 110,532    
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 57,540    
Allowance for Loan and Lease Losses, Write-offs 295    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (14)    
Allowance for Loan Loss, Net Write offs 281    
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 119,503    
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 1,853,645    
Allowance for Loan and Lease Losses, Write-offs 15,371    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (3,056)    
Allowance for Loan Loss, Net Write offs 12,315    
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 2,051    
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 17,555    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (21)    
Allowance for Loan Loss, Net Write offs (21)    
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 137,345    
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 2,911,123    
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 803    
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 623,582    
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 752    
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 98,552    
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 1,232,280    
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 23    
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 219,099    
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 208,690    
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 144,365    
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 18    
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 194,755    
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 189,800    
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 15,723,881    
3-4 Pass [Member] | Residential Real Estate Construction Financing Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,172,919    
3-4 Pass [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 391,834    
3-4 Pass [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,154,918    
3-4 Pass [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,671,068    
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 18,714    
3-4 Pass [Member] | Revolving Credit Facility [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,735    
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 7,112    
3-4 Pass [Member] | Revolving Converted To Term Loan [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 98,713    
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 42,967    
3-4 Pass [Member] | Revolving Converted To Term Loan [Member] | Consumer      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2    
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 4,772    
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 854,250    
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 177,247    
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 51,068    
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 22,576    
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 2,589,715    
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 366,209    
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 138,584    
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 285,286    
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 3,488,496    
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 783,534    
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 71,591    
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 362,367    
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 2,547,902    
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 671,665    
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 50,523    
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 216,294    
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 1,029,878    
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 110,532    
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 53,886    
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 119,503    
3-4 Pass [Member] | Prior [Member] | Term Loans By Origination Date [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,443,859    
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 2,051    
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 15,445    
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 137,008    
5 Special Mention [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 766,397    
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 18,052    
5 Special Mention [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 12,354    
5 Special Mention [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 162,044    
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 8,265    
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 9,499    
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 150,604    
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 637    
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 197,558    
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 9,971    
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 12,354    
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 33,032    
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 2,097    
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 102,801    
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 3,592    
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 102,594    
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 1,755    
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 293,230    
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 630    
6-8 Classified [Member] | Commercial Real Estate Construction Loan Receivable      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 337    
6-8 Classified [Member] | Revolving Credit Facility [Member]      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 126,602    
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 1    
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 8,555    
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 39    
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 1    
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 561    
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 57    
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 11,205    
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 116    
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 21,817    
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 7,097    
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 117,392    
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 355    
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 337    
Commercial | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 4,222,075 4,202,687  
Allowance for Loan and Lease Losses, Write-offs 4,507    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (237)    
Allowance for Loan Loss, Net Write offs 4,270    
Commercial | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 66,993    
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 3,813    
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 338,636    
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 595,283    
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 828,359    
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 845,772    
Allowance for Loan and Lease Losses, Write-offs 1,831    
Allowance for Loan and Lease Loss, Recovery of Bad Debts 0    
Allowance for Loan Loss, Net Write offs 1,831    
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 449,765    
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 1,093,454    
Allowance for Loan and Lease Losses, Write-offs 2,676    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (237)    
Allowance for Loan Loss, Net Write offs 2,439    
Commercial | 1-2 High Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 103,957    
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 15,131    
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 15,672    
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 10,233    
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 62,921    
Commercial | 3-4 Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,724,360    
Commercial | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 66,993    
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 3,813    
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 338,636    
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 538,666    
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 720,870    
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 805,795    
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 358,812    
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 890,775    
Commercial | 5 Special Mention [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 322,312    
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 55,250    
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 92,175    
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 2,558    
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 77,811    
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 94,518    
Commercial | 6-8 Classified [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 71,446    
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 1,367    
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 21,747    
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 2,909    
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 45,240    
Residential Real Estate | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,733,659 3,770,060  
Allowance for Loan and Lease Losses, Write-offs 175    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (14)    
Allowance for Loan Loss, Net Write offs 161    
Residential Real Estate | Revolving Credit Facility [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 112,189    
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 2,156    
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 148,116    
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 878,379    
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 1,322,667    
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 700,949    
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 315,001    
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 254,202    
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)    
Residential Real Estate | 1-2 High Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 240,641    
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 34,966    
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 76,744    
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 46,031    
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 54,261    
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 28,639    
Residential Real Estate | 3-4 Pass [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,479,927    
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 109,783    
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 773    
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 148,116    
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 843,413    
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 1,243,035    
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 653,956    
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 260,740    
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 220,111    
Residential Real Estate | 5 Special Mention [Member] | Real Estate Mortgage      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 6,150    
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 0    
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 2,888    
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 962    
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 6,941    
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 106    
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 5,452    
Asset-based | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 3,412,431 3,748,407  
Allowance for Loan and Lease Losses, Write-offs 11,550    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (387)    
Allowance for Loan Loss, Net Write offs 11,163    
Asset-based | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,039,341    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (56)    
Allowance for Loan Loss, Net Write offs (56)    
Asset-based | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 127,632    
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 68,859    
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)    
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 386,433    
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 281,032    
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 128,519    
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 207,593    
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 173,022    
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 995,676    
Asset-based | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 288,230    
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 98,416    
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 22,993    
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 178,052    
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 116,797    
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 65,756    
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 130,266    
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 95,166    
Asset-based | 3-4 Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,204,934    
Asset-based | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,722,555    
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 23,810    
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 45,866    
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 141,935    
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 111,495    
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 40,166    
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 58,534    
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 60,573    
Asset-based | 5 Special Mention [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 186,813    
Asset-based | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 19,720    
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 5,088    
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 66,446    
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 52,740    
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 22,597    
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 18,793    
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 1,429    
Asset-based | 6-8 Classified [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 25,008    
Asset-based | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 8,836    
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 318    
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 15,854    
Venture Capital Loans | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,814,341 2,179,422  
Venture Capital Loans | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,814,341    
Allowance for Loan and Lease Losses, Write-offs 6,813    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (299)    
Allowance for Loan Loss, Net Write offs 6,514    
Venture Capital Loans | Revolving Credit Facility [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,353,491    
Allowance for Loan and Lease Losses, Write-offs 140    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (15)    
Allowance for Loan Loss, Net Write offs 125    
Venture Capital Loans | Revolving Converted To Term Loan [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 10,110    
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 60,407    
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 205,824    
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 121,255    
Allowance for Loan and Lease Losses, Write-offs 6,532    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (41)    
Allowance for Loan Loss, Net Write offs 6,491    
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 15,690    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (104)    
Allowance for Loan Loss, Net Write offs (104)    
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 34,879    
Allowance for Loan and Lease Losses, Write-offs (8)    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (136)    
Allowance for Loan Loss, Net Write offs (144)    
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 12,685    
Allowance for Loan and Lease Losses, Write-offs 149    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (3)    
Allowance for Loan Loss, Net Write offs 146    
Venture Capital Loans | 1-2 High Pass [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net [1] 243,119    
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 [1] 237,484    
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 [1] 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 [1] 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 [1] 5,649    
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 [1] 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 [1] (6)    
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 [1] (6)    
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 [1] (2)    
Venture Capital Loans | 3-4 Pass [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,403,765    
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 1,036,748    
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 5,250    
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 50,908    
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 172,879    
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 82,954    
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 11,696    
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 34,275    
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 9,055    
Venture Capital Loans | 5 Special Mention [Member] | Venture Capital Loans      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 138,403    
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 66,685    
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 2,017    
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 9,499    
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 28,162    
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 27,430    
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 4,000    
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 610    
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 29,054    
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 12,574    
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 2,843    
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 (866)    
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 10,871    
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 0    
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 3,632    
Other Commercial | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 2,760,278 $ 1,767,667  
Allowance for Loan and Lease Losses, Write-offs 12,308    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (2,661)    
Allowance for Loan Loss, Net Write offs 9,647    
Other Commercial | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 973,968    
Allowance for Loan and Lease Losses, Write-offs 10,031    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (100)    
Allowance for Loan Loss, Net Write offs 9,931    
Other Commercial | Revolving Converted To Term Loan [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 22,594    
Allowance for Loan and Lease Losses, Write-offs 1,229    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (2)    
Allowance for Loan Loss, Net Write offs 1,227    
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 1,229,098    
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 103,287    
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 112,693    
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 115,589    
Allowance for Loan and Lease Losses, Write-offs 52    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (19)    
Allowance for Loan Loss, Net Write offs 33    
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 39,718    
Allowance for Loan and Lease Losses, Write-offs 0    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (73)    
Allowance for Loan Loss, Net Write offs (73)    
Other Commercial | Prior [Member] | Term Loans By Origination Date [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 163,331    
Allowance for Loan and Lease Losses, Write-offs 996    
Allowance for Loan and Lease Loss, Recovery of Bad Debts (2,459)    
Allowance for Loan Loss, Net Write offs (1,463)    
Other Commercial | 1-2 High Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,326,927    
Other Commercial | 1-2 High Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 97,116    
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 136    
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 1,209,264    
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 432    
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 16,894    
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 1    
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 3,076    
Other Commercial | 3-4 Pass [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 1,191,224    
Other Commercial | 3-4 Pass [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 698,428    
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 17,326    
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 19,833    
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 102,743    
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 112,650    
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 97,807    
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 33,596    
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 108,841    
Other Commercial | 5 Special Mention [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 82,313    
Other Commercial | 5 Special Mention [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 73,339    
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 1,160    
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 109    
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 818    
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 1,995    
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 4,892    
Other Commercial | 6-8 Classified [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 159,814    
Other Commercial | 6-8 Classified [Member] | Revolving Credit Facility [Member] | Commercial      
Loans and Leases Receivable Disclosure [Line Items]      
Loans held for investment, net 105,085    
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 3,972    
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 1    
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 3    
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 70    
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 4,126    
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 $ 46,522    
[1] Amounts with negative balances are loans with zero principal balances but have deferred loan origination fees.