Restatement (Details 4) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Operating activities
Net income (loss), as restated	$ 2,983	$ (19,273)	$ 4,852	$ (18,693)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	62,275	69,874	125,644	140,059
Amortization of items charged to interest expense			3,008	3,022
Accretion of settlement value on other noncurrent liabilities			707
(Gain) loss on disposal of assets	371	3	525	(47)
Income from unconsolidated affiliates	(4,154)	(1,473)	(8,136)	(3,956)
Distributions of earnings from unconsolidated affiliates			14,000	11,000
Deferred income taxes			18,143	3,830
Charge for stock-based compensation	2,337	2,517	4,421	5,096
Impairment losses and writedowns				7,860
(Increase) decrease, net of businesses acquired
Accounts receivable			(3,462)	(16,983)
Prepaid expenses and other current assets			2,537	(5,956)
Other assets			5,750	4,511
Increase (decrease), net of businesses acquired
Accounts payable			6,633	24,115
Accrued expenses			6,059	(11,803)
Accrued interest			3,618	(2,030)
Accrued salaries and wages			2,035	(6,295)
Gaming, pari-mutuel, property and other taxes			10,993	4,024
Income taxes			2,461	(152)
Other current and noncurrent liabilities			(3,043)	3,606
Other noncurrent tax liabilities			2,947	2,520
Net cash provided by operating activities			199,692	143,728
Investing activities
Capital project expenditures, net of reimbursements			(90,324)	(36,041)
Capital maintenance expenditures			(30,165)	(44,273)
Advances to the Jamul Tribe			(38,452)	(18,856)
Proceeds from sale of property and equipment			375	176
Investment in joint ventures			(328)	(1,000)
(Increase) decrease in cash in escrow			(4,000)	18,000
Acquisitions of businesses and gaming and other licenses, net of cash acquired			(248)	(88,185)
Net cash used in investing activities			(163,142)	(170,179)
Financing activities
Proceeds from exercise of options			5,518	6,034
Principal payments on financing obligation with GLPI			(24,298)	(21,855)
Proceeds from issuance of long-term debt, net of issuance costs			60,000
Principal payments on long-term debt			(53,773)	(13,866)
Proceeds from insurance financing			885	14,816
Payments on insurance financing			(8,473)	(9,965)
Tax benefit from stock options exercised			8,036	9,591
Net cash used in financing activities			(12,105)	(15,245)
Net increase (decrease) in cash and cash equivalents			24,445	(41,696)
Cash and cash equivalents at beginning of year			208,673	292,995
Cash and cash equivalents at end of period	233,118	251,299	233,118	251,299
Supplemental disclosure
Interest expense paid, net of amounts capitalized			212,395	209,259
Income taxes paid			432	3,030
Previously reported
Operating activities
Net income (loss), as restated	16,886	4,176	27,882	8,713
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	41,752	47,183	84,674	94,549
Amortization of items charged to interest expense			3,008	3,022
Accretion of settlement value on other noncurrent liabilities			707
(Gain) loss on disposal of assets			388	(47)
Income from unconsolidated affiliates	(4,154)	(1,473)	(8,136)	(3,956)
Distributions of earnings from unconsolidated affiliates			14,000	11,000
Deferred income taxes			8,805	(7,401)
Charge for stock-based compensation			4,421	5,096
Impairment losses and writedowns				7,860
(Increase) decrease, net of businesses acquired
Accounts receivable			(3,462)	(16,983)
Prepaid expenses and other current assets			2,537	(5,749)
Other assets			5,750	4,303
Increase (decrease), net of businesses acquired
Accounts payable			6,633	24,115
Accrued expenses			6,148	(8,837)
Accrued interest			3,618	(2,030)
Accrued salaries and wages			2,035	(6,293)
Gaming, pari-mutuel, property and other taxes			10,833	4,009
Income taxes			5,735	1,337
Other current and noncurrent liabilities			(2,973)	3,467
Other noncurrent tax liabilities			2,791	5,698
Net cash provided by operating activities			175,394	121,873
Investing activities
Capital project expenditures, net of reimbursements			(90,324)	(36,041)
Capital maintenance expenditures			(30,165)	(44,273)
Advances to the Jamul Tribe			(38,452)	(18,856)
Proceeds from sale of property and equipment			375	176
Investment in joint ventures			(328)	(1,000)
(Increase) decrease in cash in escrow			(4,000)	18,000
Acquisitions of businesses and gaming and other licenses, net of cash acquired			(248)	(88,185)
Net cash used in investing activities			(163,142)	(170,179)
Financing activities
Proceeds from exercise of options			5,518	6,034
Proceeds from issuance of long-term debt, net of issuance costs			60,000
Principal payments on long-term debt			(53,773)	(13,866)
Proceeds from insurance financing			885	14,816
Payments on insurance financing			(8,473)	(9,965)
Tax benefit from stock options exercised			8,036	9,591
Net cash used in financing activities			12,193	6,610
Net increase (decrease) in cash and cash equivalents			24,445	(41,696)
Cash and cash equivalents at beginning of year			208,673	292,995
Cash and cash equivalents at end of period	233,118	251,299	233,118	251,299
Supplemental disclosure
Interest expense paid, net of amounts capitalized			17,114	21,187
Income taxes paid			432	3,030
Restatement adjustment
Operating activities
Net income (loss), as restated	(13,903)	(23,449)	(23,030)	(27,406)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	$ 20,523	$ 22,691	40,970	45,510
(Gain) loss on disposal of assets			137
Deferred income taxes			9,338	11,231
(Increase) decrease, net of businesses acquired
Prepaid expenses and other current assets				(207)
Other assets				208
Increase (decrease), net of businesses acquired
Accrued expenses			(89)	(2,966)
Accrued salaries and wages				(2)
Gaming, pari-mutuel, property and other taxes			160	15
Income taxes			(3,274)	(1,489)
Other current and noncurrent liabilities			(70)	139
Other noncurrent tax liabilities			156	(3,178)
Net cash provided by operating activities			24,298	21,855
Financing activities
Principal payments on financing obligation with GLPI			(24,298)	(21,855)
Net cash used in financing activities			(24,298)	(21,855)
Supplemental disclosure
Interest expense paid, net of amounts capitalized			$ 195,281	$ 188,072