Annual report pursuant to Section 13 and 15(d)

Fair Value Measurements - Summary of Changes In Estimated Fair Value of Level 3 Financial Assets (Details)

v3.20.1
Fair Value Measurements - Summary of Changes In Estimated Fair Value of Level 3 Financial Assets (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2019
USD ($)
Changes in the estimated fair value of Level 3 financial assets  
Balance at beginning of period $ 392
Change in fair value 289
Balance at end or period $ 681