Borrowings - Long-term Debt (Details) - USD ($)	3 Months Ended
Mar. 31, 2022	Dec. 31, 2021
Senior Notes
Debt Instrument [Line Items]
Carrying Amount	$ 223,230,000	$ 223,086,000
Senior Subordinated Notes
Debt Instrument [Line Items]
Carrying Amount	181,742,000	181,673,000
Maturing August 2031 \| Senior Notes
Debt Instrument [Line Items]
Carrying Amount	$ 99,844,000	98,642,000
Rate	2.875%
Issued Amount	$ 100,000,000
Price	100.00%
Maturing September 2024 \| Senior Notes
Debt Instrument [Line Items]
Carrying Amount	$ 24,702,000	24,672,000
Rate	4.50%
Issued Amount	$ 25,000,000
Price	100.00%
Maturing June 2022 \| Senior Notes
Debt Instrument [Line Items]
Carrying Amount	$ 98,684,000	99,772,000
Rate	3.95%
Issued Amount	$ 100,000,000
Price	99.775%
Maturing December 2034 \| Senior Subordinated Notes
Debt Instrument [Line Items]
Carrying Amount	$ 72,448,000	72,403,000
Rate	5.375%
Issued Amount	$ 74,750,000
Price	100.00%
Maturing June 2029 \| Senior Subordinated Notes
Debt Instrument [Line Items]
Carrying Amount	$ 109,294,000	$ 109,270,000
Rate	6.125%
Issued Amount	$ 110,000,000
Price	100.00%
Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate \| Maturing August 2031 \| Senior Notes
Debt Instrument [Line Items]
Spread on variable interest rate	2.35%
London Interbank Offered Rate (LIBOR) \| Maturing June 2029 \| Senior Subordinated Notes
Debt Instrument [Line Items]
Spread on variable interest rate	3.443%

Debt Instrument, Face Amount, Percentage

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- Definition

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

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Percentage price of original principal amount of debt at which debt can be redeemed by the issuer.

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Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations.

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