Amount of amortization expense attributable to debt issuance costs.

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

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The average effective interest rate during the reporting period.

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Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The cash outflow to repay long-term debt that is not secured by collateral. Excludes repayments of tax exempt unsecured debt.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of uncollateralized debt obligations (with maturities initially due after one year or beyond the operating cycle if longer).

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Borrowings - Unsecured Notes (Details) - USD ($) $ in Thousands									3 Months Ended
	Jan. 27, 2023	Jul. 14, 2022	Jun. 15, 2022	Jan. 29, 2021	Apr. 30, 2019	Jul. 05, 2018	Jan. 30, 2018	Jun. 30, 2017	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Debt Instrument [Line Items]
Face amount									$ 300,000
Repayment of Unsecured Notes									90,000	$ 0
Amortization of financing costs									1,637	1,692
Unsecured Notes outstanding balance									441,500		$ 531,500
Unsecured Notes
Debt Instrument [Line Items]
Interest expense									5,667	5,958
Amortization of financing costs									$ 209	$ 199
Weighted average interest rate									4.80%	4.70%
Effective interest rate									5.00%	4.80%
Average debt outstanding									$ 471,500	$ 511,500
Unsecured Notes \| Minimum
Debt Instrument [Line Items]
Face amount									$ 150,000
2017A Unsecured Notes
Debt Instrument [Line Items]
Repayment of Unsecured Notes		$ 55,000
2017A Unsecured Notes \| Unsecured Notes
Debt Instrument [Line Items]
Face amount								$ 55,000
Term of debt								5 years
Stated interest rate								4.76%
2018A Unsecured Notes \| Unsecured Notes
Debt Instrument [Line Items]
Face amount							$ 90,000
Term of debt							5 years
Repayment of Unsecured Notes	$ 90,000
Stated interest rate							4.87%
2018B Unsecured Notes \| Unsecured Notes
Debt Instrument [Line Items]
Face amount						$ 50,000
Term of debt						5 years
Stated interest rate						5.36%
2019A Unsecured Notes \| Unsecured Notes
Debt Instrument [Line Items]
Face amount					$ 116,500
Term of debt					5 years
Stated interest rate					5.494%
2021A Unsecured Notes \| Unsecured Notes
Debt Instrument [Line Items]
Face amount				$ 200,000
Term of debt				5 years
Stated interest rate				3.875%
2022A Unsecured Notes \| Unsecured Notes
Debt Instrument [Line Items]
Face amount			$ 75,000
Term of debt			5 years
Stated interest rate			5.90%