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Portfolio loans and allowance for credit losses - Summary of TDR loans (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Restructured loans
Total loans	$ 5,078	$ 5,707
In compliance with modified terms
Restructured loans
Total loans	3,814	5,005
30-89 days past due
Restructured loans
Total loans	15
Included in non-performing loans
Restructured loans
Total loans	$ 1,249	$ 702

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Amount of financing receivable modified as troubled debt restructuring.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 33
-URI http://asc.fasb.org/extlink&oid=121611835&loc=SL6953676-111524

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-Publisher FASB
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-Topic 310
-SubTopic 40
-Section 50
-Paragraph 4
-URI http://asc.fasb.org/extlink&oid=121585226&loc=d3e18845-111554

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