Debt (Schedule of Outstanding Debt) (Details) - USD ($) |
Mar. 31, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Total principal | $ 420,338,000 | $ 421,563,000 |
| Less unamortized debt issuance costs | 1,032,000 | 1,146,000 |
| Debt less unamortized debt issuance costs | 419,306,000 | 420,417,000 |
| Line of Credit | Revolving Credit Facility | ||
| Debt Instrument [Line Items] | ||
| Total principal | $ 125,000,000 | 125,000,000 |
| Stated interest rate on debt (as percent) | 5.67% | |
| Line of credit, borrowing capacity including accordion feature | $ 300,000,000 | |
| Accordion feature borrowing capacity | 50,000,000 | |
| Contribution Certificates | ||
| Debt Instrument [Line Items] | ||
| Total principal | $ 182,838,000 | 182,500,000 |
| Stated interest rate on debt (as percent) | 3.00% | |
| Effective interest rate on debt (as percent) | 3.88% | |
| Term Loan | ||
| Debt Instrument [Line Items] | ||
| Total principal | $ 112,500,000 | $ 114,063,000 |
| Effective interest rate on debt (as percent) | 5.80% |
| X | ||||||||||
- Definition Line Of Credit Facility, Maximum Borrowing Capacity, Including Accordion Feature No definition available.
|
| X | ||||||||||
- Definition Line of Credit Facility, Maximum Borrowing Capacity, Accordion Feature No definition available.
|
| X | ||||||||||
- Definition 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. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. No definition available.
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|