Long-term Debt (Narrative) (Details) | Jan. 06, 2016USD ($) | Dec. 01, 2014USD ($)item | Nov. 10, 2014USD ($) | Apr. 30, 2016USD ($) | Apr. 30, 2015USD ($) | Apr. 30, 2014USD ($) | Oct. 30, 2007USD ($) |
Debt Instrument [Line Items] | | | | | | | |
Capped Consumer Price Index (CPI) | | | | 1.5 | | | |
Long-term debt, gross | | | | $ 121,005,000 | | | |
Long-term debt | | | | 119,102,000 | $ 98,072,000 | | |
Accumulated amortization, deferred finance costs | | | | 482,000 | 191,000 | | |
Amortization of financing costs | | | | 291,000 | $ 141,000 | $ 52,000 | |
Increase to debt service reserve account | | | | 3,300,000 | | | |
Hunter Mountain [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Payments to Acquire Businesses, Gross | $ 35,000,000 | | | | | | |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Capital Lease Obligation | 1,724,000 | | | | | | |
Debt Restructure With Certain Affiliates of EPR Properties [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Additional interest payment in period | | | | $ 200,000 | | | |
Repayments of secured debt | | | $ 75,800,000 | | | | |
Debt instrument, fee amount | | $ 5,000,000 | | | | | |
Transaction benchmark amount | | $ 250,000,000 | | | | | |
Potential number of lease terms | item | | 2 | | | | | |
Potential lease term duration | | 20 years | | | | | |
Period of agreement | | 7 years | | | | | |
Additional lease term duration | | 10 years | | | | | |
Loan to value ratio benchmark | | 60.00% | | | | | |
Maximum leverage ratio per agreement | | | | 65.00% | | | |
Fixed coverage ratio minimum to increase reserve | | | | 1.50 | | | |
Fixed coverage ratio minimum to prohibit paying dividends | | | | 1.25 | | | |
Debt Restructure, Other Than Attitash/Mount Snow Debt [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Additional payment, interest rate | | | | 10.00% | | | |
Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt | | | | $ 56,000,000 | | | $ 31,000,000 |
Attitash/Mount Snow Debt [Member] | Debt Restructure With Certain Affiliates of EPR Properties [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Additional payment, interest rate | | | | 12.00% | | | |
Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, maturity date | | | | Dec. 1, 2034 | | | |
Long-term debt, interest rate | | | | 11.10% | 10.93% | | |
Long-term debt, gross | | | | $ 51,050,000 | $ 51,050,000 | | |
Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, maturity date | | | | Dec. 1, 2034 | | | |
Long-term debt, interest rate | | | | 10.13% | 10.13% | | |
Long-term debt, gross | | | | $ 37,562,000 | $ 37,562,000 | | |
JFBB Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, gross | | | | 23,300,000 | 23,300,000 | | |
Boston Mills Brandywine Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, gross | | | | $ 14,300,000 | $ 14,300,000 | | |
Hunter Mountain Debt [Member] | Hunter Mountain [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Debt allocated to financing business acquisition | 20,000,000 | | | | | | |
Debt Instrument Carrying Amount Allocated To Business Acquisition Closing Costs | 1,000,000 | | | | | | |
Hunter Mountain Debt [Member] | Hunter Mountain [Member] | Royal Banks Of Missouri [Member] | Line of Credit [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Debt allocated to financing business acquisition | $ 15,000,000 | | | | | | |
Hunter Mountain Debt [Member] | Hunter Mountain [Member] | Royal Banks Of Missouri [Member] | Line of Credit [Member] | Prime Rate [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Debt instrument, basis spread on variable rate | 1.00% | | | | | | |
Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, maturity date | | | | Jan. 5, 2036 | | | |
Additional Interest Rate On Gross Receipts Over Benchmark | | | | 8.00% | | | |
Gross Reciepts Benchmark | | | | $ 35,000,000 | | | |
Long-term debt, interest rate | | | | 8.00% | | | |
Potential debt instrument past due stated percentage rate | | | | 1.75% | | | |
Long-term debt, gross | | | | $ 21,000,000 | | | |
Maximum leverage coverage ratio | | | | 65.00% | | | |
Fixed coverage ratio minimum to increase reserve | | | | 1.50 | | | |
Fixed coverage ratio minimum to prohibit paying dividends | | | | 1.25 | | | |
Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, maturity date | | | | Dec. 1, 2034 | | | |
Long-term debt, interest rate | | | | 10.56% | 10.40% | | |
Long-term debt, gross | | | | $ 4,550,000 | $ 4,550,000 | | |
Wildcat Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, maturity date | | | | Dec. 22, 2020 | | | |
Long-term debt, interest rate | | | | 4.00% | | | |
Long-term debt, gross | | | | $ 3,612,000 | 3,790,000 | | |
Wildcat Note [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amount borrowed pursuant to a loan agreement | | | | $ 4,500,000 | | | |
Wildcat Note [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 4.00% | | | |
Other Debt [Member] | Other Debt [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, gross | | | | $ 3,231,000 | $ 1,931,000 | | |
Line Of Credit Agreement [Member] | Royal Banks Of Missouri [Member] | Line of Credit [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Debt Instrument, Term | | | | 12 months | | | |
Maximum borrowing capacity | | | | $ 20,000,000 | | | |
Line Of Credit Facility Amount Of Credit To Be Used As Working Capital | | | | 5.00% | | | |
Long-term debt, interest rate | | | | 4.50% | | | |
Maximum leverage coverage ratio | | | | 65.00% | | | |
Fixed coverage ratio minimum to increase reserve | | | | 1.50 | | | |
Fixed coverage ratio minimum to prohibit paying dividends | | | | 1.25 | | | |
Line Of Credit Agreement [Member] | Royal Banks Of Missouri [Member] | Line of Credit [Member] | Prime Rate [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Debt instrument, basis spread on variable rate | | | | 1.00% | | | |
Line Of Credit Agreement [Member] | Hunter Mountain [Member] | Royal Banks Of Missouri [Member] | Line of Credit [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Debt allocated to financing business acquisition | $ 15,000,000 | | | | | | |
Debt Instrument Carrying Amount Allocated To Business Acquisition Closing Costs | $ 500,000 | | | | | | |
2016 [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amortization of financing costs | | | | $ 291,000 | | | |
2016 [Member] | Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.10% | | | |
2016 [Member] | Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.13% | | | |
2016 [Member] | Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 8.00% | | | |
2016 [Member] | Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.56% | | | |
2017 [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amortization of financing costs | | | | $ 466,000 | | | |
2017 [Member] | Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.27% | | | |
2017 [Member] | Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.28% | | | |
2017 [Member] | Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 8.14% | | | |
2017 [Member] | Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.72% | | | |
2018 [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amortization of financing costs | | | | $ 90,000 | | | |
2018 [Member] | Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.44% | | | |
2018 [Member] | Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.44% | | | |
2018 [Member] | Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 8.28% | | | |
2018 [Member] | Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.88% | | | |
2019 [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amortization of financing costs | | | | $ 90,000 | | | |
2019 [Member] | Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.61% | | | |
2019 [Member] | Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.59% | | | |
2019 [Member] | Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 8.43% | | | |
2019 [Member] | Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.04% | | | |
2020 [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amortization of financing costs | | | | $ 90,000 | | | |
2020 [Member] | Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.78% | | | |
2020 [Member] | Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.75% | | | |
2020 [Member] | Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 8.57% | | | |
2020 [Member] | Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.21% | | | |
2021 [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Amortization of financing costs | | | | $ 90,000 | | | |
2021 [Member] | Attitash/Mount Snow Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.96% | | | |
2021 [Member] | Credit Facility Debt [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 10.91% | | | |
2021 [Member] | Hunter Mountain Debt [Member] | Notes Payable, Other Payables [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 8.72% | | | |
2021 [Member] | Sycamore Lake (Alpine Valley) [Member] | Loans Payable [Member] | | | | | | | |
Debt Instrument [Line Items] | | | | | | | |
Long-term debt, interest rate | | | | 11.38% | | | |