Portfolio Loans - Analysis of loans past due and still accruing or non-accrual status (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Loans past due
90+Days	$ 906	$ 1,371
Non-accrual Loans	15,946	22,930
30 to 59 Days
Loans past due
Loans past due, still accruing	3,964	6,794
60 to 89 Days
Loans past due
Loans past due, still accruing	2,297	784
Commercial
Loans past due
90+Days	213
Non-accrual Loans	7,004	8,523
Commercial | 30 to 59 Days
Loans past due
Loans past due, still accruing	363	243
Commercial | 60 to 89 Days
Loans past due
Loans past due, still accruing	10
Commercial real estate
Loans past due
Non-accrual Loans	5,973	5,503
Commercial real estate | 30 to 59 Days
Loans past due
Loans past due, still accruing	151
Commercial real estate | 60 to 89 Days
Loans past due
Loans past due, still accruing	441
Real estate construction
Loans past due
Non-accrual Loans		1
Real estate construction | 30 to 59 Days
Loans past due
Loans past due, still accruing	56	237
Real estate construction | 60 to 89 Days
Loans past due
Loans past due, still accruing		235
Retail real estate
Loans past due
90+Days	693	1,305
Non-accrual Loans	2,898	8,799
Retail real estate | 30 to 59 Days
Loans past due
Loans past due, still accruing	3,312	6,248
Retail real estate | 60 to 89 Days
Loans past due
Loans past due, still accruing	1,830	400
Retail other
Loans past due
90+Days		66
Non-accrual Loans	71	104
Retail other | 30 to 59 Days
Loans past due
Loans past due, still accruing	82	66
Retail other | 60 to 89 Days
Loans past due
Loans past due, still accruing	$ 16	$ 149