Portfolio Loans - Loans identified as impaired, segregated by category (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021
Loans identified as impaired
Unpaid Contractual Principal Balance	$ 15,879	$ 19,489
Recorded Investment with No Allowance	5,453	8,865
Recorded Investment with Allowance	6,316	6,515
Total Recorded Investment	11,769	15,380
Related Allowance	3,370	3,589
Average Recorded Investment	17,862	19,556
Collateral dependent loans secured by real estate or business assets	4,800	7,900
Commercial Loans
Loans identified as impaired
Unpaid Contractual Principal Balance	10,040	10,247
Recorded Investment with No Allowance	490	498
Recorded Investment with Allowance	6,291	6,490
Total Recorded Investment	6,781	6,988
Related Allowance	3,345	3,564
Average Recorded Investment	8,473	8,791
Commercial Real Estate Loans
Loans identified as impaired
Unpaid Contractual Principal Balance	3,093	6,456
Recorded Investment with No Allowance	2,386	5,750
Total Recorded Investment	2,386	5,750
Average Recorded Investment	5,654	6,390
Real Estate Construction
Loans identified as impaired
Unpaid Contractual Principal Balance	266	272
Recorded Investment with No Allowance	266	272
Total Recorded Investment	266	272
Average Recorded Investment	277	282
Retail real estate
Loans identified as impaired
Unpaid Contractual Principal Balance	2,480	2,514
Recorded Investment with No Allowance	2,311	2,345
Recorded Investment with Allowance	25	25
Total Recorded Investment	2,336	2,370
Related Allowance	25	25
Average Recorded Investment	$ 3,458	$ 4,093