Debt - PHL Term Loan (Details) - PHL Term Loan - Term Loan	Apr. 13, 2020 USD ($)
Debt Instrument [Line Items]
Debt instrument, face amount	$ 6,000,000
Debt instrument, interest rate	2.75%
Debt instrument, term	25 years

Face (par) amount of debt instrument at time of issuance.

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