Financial Instruments (Details) $ in Thousands	Sep. 30, 2020 USD ($)
Investments All Other Investments [Abstract]
Loans Payable, Fair Value Disclosure	$ 508,466

Fair value portion of contractual obligation to pay money on demand or on fixed or determinable dates.

No definition available.

Name:	us-gaap_LoansPayableFairValueDisclosure
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant