Loans Held For Investment, Loans Held For Sale, Notes, Certificates and Secured Borrowings - Credit Quality Indicators (Details) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Term Loans and Leases by Origination Year
Total	$ 2,370,126	$ 0
Consumer Portfolio Segment
Term Loans and Leases by Origination Year
2021	902,561
2020	136,028
2019	77,612
2018	59,620
2017	13,466
Prior	64,776
Within Revolving Period	1,278
Total	1,255,341
Consumer Portfolio Segment | Unsecured personal
Term Loans and Leases by Origination Year
2021	776,338
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	776,338
Consumer Portfolio Segment | Residential mortgages
Term Loans and Leases by Origination Year
2021	12,863
2020	42,144
2019	32,549
2018	11,146
2017	3,091
Prior	49,469
Within Revolving Period	1,266
Total	152,528
Consumer Portfolio Segment | Secured consumer
Term Loans and Leases by Origination Year
2021	113,215
2020	93,884
2019	45,063
2018	48,474
2017	10,375
Prior	15,307
Within Revolving Period	0
Total	326,318
Consumer Portfolio Segment | Other consumer
Term Loans and Leases by Origination Year
2021	145
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	12
Total	157
Commercial Portfolio Segment
Term Loans and Leases by Origination Year
2021	372,915
2020	368,548
2019	135,757
2018	83,938
2017	51,588
Prior	94,973
Within Revolving Period	7,066
Total	1,114,785
Commercial Portfolio Segment | Equipment finance
Term Loans and Leases by Origination Year
2021	40,333
2020	41,504
2019	35,803
2018	22,926
2017	7,745
Prior	13,154
Within Revolving Period	0
Total	161,465
Commercial Portfolio Segment | Equipment finance | Pass
Term Loans and Leases by Origination Year
2021	38,699
2020	41,282
2019	33,861
2018	22,080
2017	7,745
Prior	13,154
Within Revolving Period	0
Total	156,821
Commercial Portfolio Segment | Equipment finance | Special mention
Term Loans and Leases by Origination Year
2021	1,634
2020	222
2019	1,942
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	3,798
Commercial Portfolio Segment | Equipment finance | Substandard
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	846
2017	0
Prior	0
Within Revolving Period	0
Total	846
Commercial Portfolio Segment | Equipment finance | Doubtful
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
Commercial Portfolio Segment | Equipment finance | Loss
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
Commercial Portfolio Segment | Commercial real estate
Term Loans and Leases by Origination Year
2021	16,273
2020	64,858
2019	67,595
2018	47,765
2017	24,921
Prior	69,861
Within Revolving Period	3,681
Total	294,954
Commercial Portfolio Segment | Commercial real estate | Pass
Term Loans and Leases by Origination Year
2021	16,273
2020	56,511
2019	67,318
2018	43,652
2017	23,212
Prior	53,583
Within Revolving Period	3,681
Total	264,230
Commercial Portfolio Segment | Commercial real estate | Special mention
Term Loans and Leases by Origination Year
2021	0
2020	8,347
2019	277
2018	1,367
2017	1,047
Prior	10,914
Within Revolving Period	0
Total	21,952
Commercial Portfolio Segment | Commercial real estate | Substandard
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	2,746
2017	662
Prior	5,158
Within Revolving Period	0
Total	8,566
Commercial Portfolio Segment | Commercial real estate | Doubtful
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
Commercial Portfolio Segment | Commercial real estate | Loss
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	206
Within Revolving Period	0
Total	206
Commercial Portfolio Segment | Commercial and industrial
Term Loans and Leases by Origination Year
2021	316,309
2020	262,186
2019	32,359
2018	13,247
2017	18,922
Prior	11,958
Within Revolving Period	3,385
Total	658,366
Commercial Portfolio Segment | Commercial and industrial | Paycheck Protection Program, CARES Act
Term Loans and Leases by Origination Year
Total	507,600
Commercial Portfolio Segment | Commercial and industrial | Pass
Term Loans and Leases by Origination Year
2021	316,309
2020	261,066
2019	29,056
2018	9,648
2017	15,281
Prior	9,047
Within Revolving Period	3,285
Total	643,692
Commercial Portfolio Segment | Commercial and industrial | Special mention
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	3,173
2018	664
2017	1,364
Prior	106
Within Revolving Period	0
Total	5,307
Commercial Portfolio Segment | Commercial and industrial | Substandard
Term Loans and Leases by Origination Year
2021	0
2020	1,120
2019	130
2018	2,935
2017	2,277
Prior	1,742
Within Revolving Period	100
Total	8,304
Commercial Portfolio Segment | Commercial and industrial | Doubtful
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
Commercial Portfolio Segment | Commercial and industrial | Loss
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	1,063
Within Revolving Period	0
Total	1,063
Current-29 | Consumer Portfolio Segment | Unsecured personal
Term Loans and Leases by Origination Year
2021	775,813
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	775,813
Current-29 | Consumer Portfolio Segment | Residential mortgages
Term Loans and Leases by Origination Year
2021	12,863
2020	42,144
2019	31,584
2018	10,469
2017	2,837
Prior	48,548
Within Revolving Period	1,266
Total	149,711
Current-29 | Consumer Portfolio Segment | Secured consumer
Term Loans and Leases by Origination Year
2021	113,198
2020	93,884
2019	43,860
2018	44,517
2017	9,459
Prior	15,307
Within Revolving Period	0
Total	320,225
Current-29 | Consumer Portfolio Segment | Other consumer
Term Loans and Leases by Origination Year
2021	145
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	11
Total	156
Current-29 | Commercial Portfolio Segment
Term Loans and Leases by Origination Year
Total	1,112,290
Current-29 | Commercial Portfolio Segment | Equipment finance
Term Loans and Leases by Origination Year
Total	161,465
Current-29 | Commercial Portfolio Segment | Commercial real estate
Term Loans and Leases by Origination Year
Total	294,090
Current-29 | Commercial Portfolio Segment | Commercial and industrial
Term Loans and Leases by Origination Year
Total	656,735
30-59 days past due | Consumer Portfolio Segment | Unsecured personal
Term Loans and Leases by Origination Year
2021	239
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	239
30-59 days past due | Consumer Portfolio Segment | Residential mortgages
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
30-59 days past due | Consumer Portfolio Segment | Secured consumer
Term Loans and Leases by Origination Year
2021	17
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	17
30-59 days past due | Consumer Portfolio Segment | Other consumer
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	1
Total	1
30-59 days past due | Commercial Portfolio Segment
Term Loans and Leases by Origination Year
Total	261
30-59 days past due | Commercial Portfolio Segment | Equipment finance
Term Loans and Leases by Origination Year
Total	0
30-59 days past due | Commercial Portfolio Segment | Commercial real estate
Term Loans and Leases by Origination Year
Total	0
30-59 days past due | Commercial Portfolio Segment | Commercial and industrial
Term Loans and Leases by Origination Year
Total	261
60-89 days past due | Consumer Portfolio Segment | Unsecured personal
Term Loans and Leases by Origination Year
2021	206
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	206
60-89 days past due | Consumer Portfolio Segment | Residential mortgages
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	90
Within Revolving Period	0
Total	90
60-89 days past due | Consumer Portfolio Segment | Secured consumer
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	1,302
2017	0
Prior	0
Within Revolving Period	0
Total	1,302
60-89 days past due | Consumer Portfolio Segment | Other consumer
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
60-89 days past due | Commercial Portfolio Segment
Term Loans and Leases by Origination Year
Total	8
60-89 days past due | Commercial Portfolio Segment | Equipment finance
Term Loans and Leases by Origination Year
Total	0
60-89 days past due | Commercial Portfolio Segment | Commercial real estate
Term Loans and Leases by Origination Year
Total	0
60-89 days past due | Commercial Portfolio Segment | Commercial and industrial
Term Loans and Leases by Origination Year
Total	8
90 or more days past due | Consumer Portfolio Segment | Unsecured personal
Term Loans and Leases by Origination Year
2021	80
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	80
90 or more days past due | Consumer Portfolio Segment | Residential mortgages
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	965
2018	677
2017	254
Prior	831
Within Revolving Period	0
Total	2,727
90 or more days past due | Consumer Portfolio Segment | Secured consumer
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	1,203
2018	2,655
2017	916
Prior	0
Within Revolving Period	0
Total	4,774
90 or more days past due | Consumer Portfolio Segment | Other consumer
Term Loans and Leases by Origination Year
2021	0
2020	0
2019	0
2018	0
2017	0
Prior	0
Within Revolving Period	0
Total	0
90 or more days past due | Commercial Portfolio Segment
Term Loans and Leases by Origination Year
Total	2,226
90 or more days past due | Commercial Portfolio Segment | Equipment finance
Term Loans and Leases by Origination Year
Total	0
90 or more days past due | Commercial Portfolio Segment | Commercial real estate
Term Loans and Leases by Origination Year
Total	864
90 or more days past due | Commercial Portfolio Segment | Commercial and industrial
Term Loans and Leases by Origination Year
Total	$ 1,362