Quarterly report pursuant to Section 13 or 15(d)

Investments in Debt Securities (Debt Securities, Contractual Maturity) (Details)

v3.21.1
Investments in Debt Securities (Debt Securities, Contractual Maturity) (Details)
$ in Thousands
Mar. 31, 2021
USD ($)
Debt Securities, Available-for-sale, Maturity, Allocated and Single Maturity Date, Rolling Maturity, Fair Value [Abstract]  
2021 $ 6,875
2022 12,421
Fair value $ 19,296