Debt - Margin and Commitment Fees Payable (Details)	12 Months Ended
	Dec. 31, 2020
Level I
Debt Instrument [Line Items]
Commitment Fee	0.50%
Level I | Base Rate
Debt Instrument [Line Items]
Additional Margin for Loans	3.00%
Level I | LIBOR Rate
Debt Instrument [Line Items]
Additional Margin for Loans	4.00%
Level I | Minimum
Debt Instrument [Line Items]
Senior Leverage Ratio	250.00%
Level II
Debt Instrument [Line Items]
Commitment Fee	0.50%
Level II | Base Rate
Debt Instrument [Line Items]
Additional Margin for Loans	2.75%
Level II | LIBOR Rate
Debt Instrument [Line Items]
Additional Margin for Loans	3.75%
Level II | Minimum
Debt Instrument [Line Items]
Senior Leverage Ratio	200.00%
Level II | Maximum
Debt Instrument [Line Items]
Senior Leverage Ratio	250.00%
Level III
Debt Instrument [Line Items]
Commitment Fee	0.50%
Level III | Base Rate
Debt Instrument [Line Items]
Additional Margin for Loans	2.50%
Level III | LIBOR Rate
Debt Instrument [Line Items]
Additional Margin for Loans	3.50%
Level III | Minimum
Debt Instrument [Line Items]
Senior Leverage Ratio	150.00%
Level III | Maximum
Debt Instrument [Line Items]
Senior Leverage Ratio	200.00%
Level IV
Debt Instrument [Line Items]
Commitment Fee	0.50%
Level IV | Base Rate
Debt Instrument [Line Items]
Additional Margin for Loans	2.25%
Level IV | LIBOR Rate
Debt Instrument [Line Items]
Additional Margin for Loans	3.25%
Level IV | Maximum
Debt Instrument [Line Items]
Senior Leverage Ratio	150.00%