Revenue From Contracts With Customers - Summary of Maturities of Notes Receivables Net Under Extended Payment Terms (Details) $ in Thousands	Dec. 31, 2020 USD ($)
Revenue From Contract With Customer [Abstract]
2021	$ 483
2022	350
2023	126
Total undiscounted cash flows	959
Present value of notes receivable	914
Difference between undiscounted and discounted cash flows	$ 45