Consolidated Statements of Cash Flows $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
CASH FLOWS FROM OPERATING ACTIVITIES
Net income	$ 139,371	$ 128,029	$ 123,160
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	11,705	11,542	9,365
Gain on disposal of assets	(346)	(1,521)	(2,809)
Provision for bad debts, net	2,151	1,704	2,775
Non-cash stock compensation and other charges	15,458	11,805	9,706
Non-cash interest and other (income) loss	1,059	3,229	3,174
Deferred income taxes	(10,542)	615	(22,899)
Equity in net losses from unconsolidated joint ventures, less distributions received	1,025	3,279	2,200
Changes in assets and liabilities, net of acquisition:
Receivables	(21,919)	401	(14,250)
Advances to/from marketing and reservation activities, net	(21,449)	11,074	70,179
Forgivable notes receivable, net	(17,410)	(23,066)	(12,914)
Accounts payable	(13,689)	6,493	9,636
Accrued expenses and other current liabilities	5,225	5,166	6,678
Income taxes payable/receivable	5,775	808	139
Deferred revenue	61,646	5,251	5,297
Other assets	(8,703)	(5,792)	(1,250)
Other liabilities	2,678	6,062	(575)
Net cash provided by operating activities	152,035	165,079	187,612
CASH FLOWS FROM INVESTING ACTIVITIES
Investment in property and equipment	(25,191)	(27,765)	(20,946)
Investment in intangible assets	(2,580)	(733)	(636)
Proceeds from sale of assets	11,462	6,347	15,612
Acquisitions of real estate	(28,583)	(9,200)	0
Business acquisition, net of cash acquired	(1,341)	(13,269)	0
Contributions to equity method investments	(34,661)	(23,737)	(17,789)
Distributions from equity method investments	3,700	518	0
Purchases of investments, employee benefit plans	(1,661)	(3,220)	(2,794)
Proceeds from sales of investments, employee benefit plans	1,911	3,170	964
Issuance of mezzanine and other notes receivable	(32,604)	(36,884)	(3,340)
Collections of mezzanine and other notes receivable	11,070	4,849	11,289
Other items, net	11	114	(6)
Net cash used in investing activities	(98,467)	(99,810)	(17,646)
CASH FLOWS FROM FINANCING ACTIVITIES
Proceeds from the issuance of long-term debt	0	176	250
Net borrowings pursuant to revolving credit facilities	25,795	158,867	0
Principal payments on long-term debt	(988)	(130,501)	(10,108)
Proceeds from other debt agreements	550	0	0
Debt issuance costs	(284)	(2,169)	0
Purchase of treasury stock	(35,926)	(72,873)	(77,972)
Dividends paid	(46,182)	(45,214)	(43,529)
Proceeds from exercise of stock options	12,951	7,056	10,098
Net cash used in financing activities	(44,084)	(84,658)	(121,261)
Net change in cash and cash equivalents	9,484	(19,389)	48,705
Effect of foreign exchange rate changes on cash and cash equivalents	(462)	(2,049)	(1,621)
Cash and cash equivalents at beginning of period	193,441	214,879	167,795
Cash and cash equivalents at end of period	202,463	193,441	214,879
Cash payments during the year for:
Income taxes, net of refunds	65,683	54,990	77,562
Interest, net of capitalized interest	41,992	40,056	40,644
Non-cash investing and financing activities:
Dividends declared but not paid	12,112	11,548	11,176
Equity method investments	0	0	2,827
Investment in property, equipment and intangibles acquired in accounts payable and accrued liabilities	3,648	3,717	15,670
Acquisitions, long-term debt assumed	0	0	10,667
Sale of investment in unconsolidated joint venture	$ 2,350	$ 0	$ 0