Student Loans - Aging for Loans (Details) $ in Thousands	Sep. 30, 2020 USD ($) borrower	Dec. 31, 2019 USD ($) borrower	Sep. 30, 2019 USD ($)
Amount
Current Loans	$ 649,431	$ 585,019
Past due loans	12,051	12,355
Total Loans	661,482	597,374	$ 570,128
31 - 60 days
Amount
Past due loans	2,519	1,845
61 - 90 days
Amount
Past due loans	429	1,080
Student loan
Amount
Total Loans	$ 58,677	$ 65,800
Student loan | Repayment and Forbearance
Number of Borrowers
Number of borrowers, current | borrower	254	295
Total | borrower	281	312
Amount
Current Loans	$ 26,755	$ 34,277
Total Loans	$ 29,496	$ 35,612
Student loan | Repayment and Forbearance | 31 - 60 days
Number of Borrowers
Number of borrowers, past due | borrower	21	4
Amount
Past due loans	$ 2,259	$ 292
Student loan | Repayment and Forbearance | 61 - 90 days
Number of Borrowers
Number of borrowers, past due | borrower	5	7
Amount
Past due loans	$ 429	$ 657
Student loan | Repayment and Forbearance | 91 - 120 days
Number of Borrowers
Number of borrowers, past due | borrower	1	6
Amount
Past due loans	$ 53	$ 386