Credit Facilities - Narrative (Details) $ in Thousands	6 Months Ended
	Mar. 31, 2026 USD ($)	Jan. 31, 2026 USD ($)	Sep. 30, 2025 USD ($)
Line of Credit Facility [Line Items]
Derivative notional amount		$ 74,000
Derivative fixed interest rate		4.10%
2026	$ 10,690
2027	22,250
Long-term debt	132,690
Revolving Line of Credit
Line of Credit Facility [Line Items]
Long-term debt	10,690		$ 8,067
Secured Debt
Line of Credit Facility [Line Items]
Long-term debt	122,000		123,500
Secured Debt | Term Loans
Line of Credit Facility [Line Items]
2026	19,000
2027	23,750
Long-term debt	$ 122,000		123,500
Secured Debt | Term Loans | Excess Cash Flows Greater Than Or Equal to 2.50
Line of Credit Facility [Line Items]
Percentage of excess cash flow for each year of funded indebtedness to EBDTA	75.00%
Ratio of funded indebtedness to adjusted EBIDTA	2.5
Secured Debt | Term Loans | Excess Cash Flows Less Than 2.50 But Greater Than 1.50
Line of Credit Facility [Line Items]
Percentage of excess cash flow for each year of funded indebtedness to EBDTA	50.00%
Secured Debt | Term Loans | Excess Cash Flows Less Than 2.50
Line of Credit Facility [Line Items]
Ratio of funded indebtedness to adjusted EBIDTA	2.5
Secured Debt | Term Loans | Excess Cash Flows Equal to 1.50
Line of Credit Facility [Line Items]
Ratio of funded indebtedness to adjusted EBIDTA	1.5
Secured Debt | Term Loans | Excess Cash Flows Less Than 1.50
Line of Credit Facility [Line Items]
Percentage of excess cash flow for each year of funded indebtedness to EBDTA	0.00%
Ratio of funded indebtedness to adjusted EBIDTA	1.5
Secured Debt | Term Loans | Maximum
Line of Credit Facility [Line Items]
Fixed charge coverage ratio	1.25
Ratio of funded indebtedness to EBITDA through maturity	4.75
Secured Debt | Term Loans | Minimum
Line of Credit Facility [Line Items]
Fixed charge coverage ratio	1.05
Ratio of funded indebtedness to EBITDA through maturity	4.25
Secured Debt | Revolving Line of Credit
Line of Credit Facility [Line Items]
Long-term debt	$ 10,690		$ 8,067
Line of credit, maximum borrowing capacity	50,000
Line of credit, unused borrowing capacity	9,700
Secured Debt | Letter of Credit
Line of Credit Facility [Line Items]
Line of credit, current borrowing capacity	$ 5,000