XML 50 R40.htm IDEA: XBRL DOCUMENT v3.21.1
Investments - Available-for-Sale (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Investments, Debt and Equity Securities [Abstract]    
Amortized Cost $ 10,441 $ 9,987
Unrealized Gain 2 3
Unrealized Loss (1) 0
Accrued Interest Income 22 7
Fair Value $ 10,464 $ 9,997