Notes Payable - Term Loan (Details) - Term Loan $ in Millions	3 Months Ended
	Mar. 31, 2021 USD ($)
Debt Instrument [Line Items]
Debt amount	$ 250
LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.20%
LIBOR | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	1.20%
LIBOR | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	1.70%
Federal Funds Rate
Debt Instrument [Line Items]
Basis spread on variable rate	0.50%
One-month LIBOR
Debt Instrument [Line Items]
Basis spread on variable rate	1.00%
Base Rate | Minimum
Debt Instrument [Line Items]
Basis spread on variable rate	0.00%
Base Rate | Maximum
Debt Instrument [Line Items]
Basis spread on variable rate	0.75%