Debt (Narrative) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Dec. 29, 2029	Dec. 28, 2028	Aug. 08, 2026	Aug. 08, 2025	Dec. 31, 2024	Dec. 13, 2024	Jul. 30, 2015
Debt Instrument [Line Items]
Document Period End Date	Jun. 30, 2025
Payments of Debt Issuance Costs	$ 71,000	$ 0
Costs associated with amendment	2,011,000						$ 2,355,000
Line of Credit Facility, Remaining Borrowing Capacity	35,000,000.0
Senior unsecured notes, net	274,281,000						299,090,000
Letters of Credit Outstanding, Amount	5,200,000						20,000,000.0
Notes payable	14,871,000						14,871,000
Debt Instrument, Interest Rate, Stated Percentage									3.15%
2026 Notes
Debt Instrument [Line Items]
Senior unsecured notes, net	62,500,000						62,500,000
2027 Notes
Debt Instrument [Line Items]
Senior unsecured notes, net	37,500,000						37,500,000
2028 Notes
Debt Instrument [Line Items]
Senior unsecured notes, net	75,000,000						100,000,000
2029 Notes
Debt Instrument [Line Items]
Senior unsecured notes, net	100,000,000						100,000,000
Senior Notes
Debt Instrument [Line Items]
Costs associated with amendment	719,000						910,000
Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity								$ 330,000,000	$ 35,000,000.0
Borrowings on lines of credit	$ 0						$ 0
Forecast [Member]
Debt Instrument [Line Items]
Long-term Debt, Maturities, Repayments of Principal in Rolling after Year Five			$ 70,000,000
Long-Term Debt, Maturity, Year Two						$ 12,500,000
Long-Term Debt, Maturity, Year Three				$ 25,000,000	$ 50,000,000.0
Long-Term Debt, Maturity, Year Five				$ 30