Fair Value - Schedule Of Estimated Fair Values (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Carrying Amount
Financial assets:
Cash and cash equivalents	$ 568,702	$ 739,614
Carrying Amount | Lease Financing Receivable
Financial assets:
Receivables	2,650,633	2,644,824
Carrying Amount | Lease Loans Receivable
Financial assets:
Receivables	513,128	498,002
Carrying Amount | Revolving Credit Facility
Financial liabilities:
Debt	600,000	0
Carrying Amount | Delayed Draw Term Loan
Financial liabilities:
Debt	0	0
Carrying Amount | 2026 Maturity
Financial liabilities:
Debt	1,236,685	1,235,972
Carrying Amount | 2029 Maturity
Financial liabilities:
Debt	987,731	987,331
Carrying Amount | 2025 Maturity
Financial liabilities:
Debt	743,263	742,677
Carrying Amount | 2027 Maturity
Financial liabilities:
Debt	741,828	741,409
Carrying Amount | 2030 Maturity
Financial liabilities:
Debt	987,507	987,134
Fair Value
Financial assets:
Cash and cash equivalents	568,702	739,614
Fair Value | Lease Financing Receivable
Financial assets:
Receivables	3,123,206	3,104,337
Fair Value | Lease Loans Receivable
Financial assets:
Receivables	514,173	498,614
Fair Value | Revolving Credit Facility
Financial liabilities:
Debt	600,000	0
Fair Value | Delayed Draw Term Loan
Financial liabilities:
Debt	0	0
Fair Value | 2026 Maturity
Financial liabilities:
Debt	1,248,438	1,296,875
Fair Value | 2029 Maturity
Financial liabilities:
Debt	996,250	1,067,500
Fair Value | 2025 Maturity
Financial liabilities:
Debt	738,750	763,125
Fair Value | 2027 Maturity
Financial liabilities:
Debt	729,375	772,500
Fair Value | 2030 Maturity
Financial liabilities:
Debt	$ 967,500	$ 1,055,000