Fair Value Measurement (Details 1) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020
Asset (Liability) Carrying Amount
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt and line of credit	$ (550,003)	$ (66,977)
Fair Value
Fair Value Balance Sheet Grouping Financial Statement Captions [Line Items]
Debt and line of credit	$ (562,962)	$ (418,107)