Investment in Leasing Operations: Investment Aging (Details) - USD ($)	Dec. 31, 2016	Dec. 26, 2015
Investment in leasing operations
0-60 Days Delinquent and Accruing	$ 42,286,700	$ 39,802,400
61-90 Days Delinquent and Accruing		4,200
Total investment in direct financing and sales-type leases	42,286,700	39,806,600
Middle-Market
Investment in leasing operations
0-60 Days Delinquent and Accruing	41,299,600	38,616,600
Total investment in direct financing and sales-type leases	41,299,600	38,616,600
Small-Ticket
Investment in leasing operations
0-60 Days Delinquent and Accruing	987,100	1,185,800
61-90 Days Delinquent and Accruing		4,200
Total investment in direct financing and sales-type leases	$ 987,100	$ 1,190,000

The lessor's asset under sales type and direct financing leases. The investment in direct financing and sales-type leases, as of the balance sheet date, consisting of: (a) minimum lease payments due on direct financing leases, (b) unguaranteed residual value, and (c) any unamortized initial direct costs on direct financing leases; less: (i) estimated executory costs, (ii) unearned income, but before deducting the accumulated allowance for uncollectible minimum lease payments.

No definition available.

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Namespace Prefix:	wina_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant