Debt (Details) - USD ($)	Mar. 31, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Gross debt	$ 429,865,000	$ 429,387,000
Less unamortized debt issuance costs	2,091,000	2,254,000
Debt less unamortized debt issuance costs	427,774,000	427,133,000
Line of Credit | Revolving Credit Facility
Debt Instrument [Line Items]
Gross debt	$ 125,000,000	125,000,000
Stated interest rate on debt	7.53%
Line of credit, borrowing capacity including accordion feature	$ 300,000,000
Accordion feature borrowing capacity	50,000,000
Contribution Certificates
Debt Instrument [Line Items]
Gross debt	$ 179,865,000	179,387,000
Stated interest rate on debt	3.00%
Effective interest rate on debt	4.35%
Term Loan
Debt Instrument [Line Items]
Gross debt	$ 125,000,000	$ 125,000,000
Term Loan | Line of Credit
Debt Instrument [Line Items]
Effective interest rate on debt	7.65%