Debt - Senior Unsecured Notes (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Total Principal	$ 2,056,173
Senior Unsecured Debt [Member]
Total Principal	1,810,000	$ 1,810,000
Unamortized debt issuance costs and original issue discount	(17,389)	(17,953)
Long-term Debt, Total	$ 1,792,611	$ 1,792,047
Senior Unsecured Debt [Member] \| 2025 Senior Unsecured Notes [Member]
All-in Interest Rate	4.16%	4.16%
Total Principal	$ 50,000	$ 50,000
Senior Unsecured Debt [Member] \| 2027 Senior Unsecured Notes [Member]
All-in Interest Rate	4.26%	4.26%
Total Principal	$ 50,000	$ 50,000
Senior Unsecured Debt [Member] \| 2028 Senior Unsecured Public Notes [Member]
State Interest Rate	2.00%	2.00%
All-in Interest Rate	2.11%	2.11%
Total Principal	$ 350,000	$ 350,000
Senior Unsecured Debt [Member] \| 2028 Senior Unsecured Notes [Member]
All-in Interest Rate	4.42%	4.42%
Total Principal	$ 60,000	$ 60,000
Senior Unsecured Debt [Member] \| 2029 Senior Unsecured Notes [Member]
All-in Interest Rate	4.19%	4.19%
Total Principal	$ 100,000	$ 100,000
Senior Unsecured Debt [Member] \| 2030 Senior Unsecured Notes [Member]
All-in Interest Rate	4.32%	4.32%
Total Principal	$ 125,000	$ 125,000
Senior Unsecured Debt [Member] \| 2030 Senior Unsecured Public Notes [Member]
State Interest Rate	2.90%	2.90%
All-in Interest Rate	3.49%	3.49%
Total Principal	$ 350,000	$ 350,000
Senior Unsecured Debt [Member] \| 2031 Senior Unsecured Notes [Member]
State Interest Rate	4.47%	4.47%
All-in Interest Rate	4.42%	4.42%
Total Principal	$ 125,000	$ 125,000
Senior Unsecured Debt [Member] \| 2032 Senior Unsecured Public Notes
All-in Interest Rate	3.96%	3.96%
Total Principal	$ 300,000	$ 300,000
Senior Unsecured Debt [Member] \| 2033 Senior Unsecured Public Notes [Member]
State Interest Rate	2.60%	2.60%
All-in Interest Rate	2.13%	2.13%
Total Principal	$ 300,000	$ 300,000

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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- Definition

Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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Contractual interest rate for funds borrowed, under the debt agreement.

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- Definition

Amount of unamortized debt discount (premium) and debt issuance costs.

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- Definition

Amount, excluding unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation.

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