| Time Sharing Transactions, Allowance for Uncollectible Accounts on Receivables Sold with Recourse | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
| Time Sharing Transactions, Allowance for Uncollectible Accounts on Receivables Sold with Recourse, Beginning Balance | en-US | http://www.xbrl.org/2003/role/periodStartLabel | http://www.xbrl.org/2003/role/link |
| Time Sharing Transactions, Allowance for Uncollectible Accounts on Receivables Sold with Recourse, Ending Balance | en-US | http://www.xbrl.org/2003/role/periodEndLabel | http://www.xbrl.org/2003/role/link |