Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 4,894	$ 557
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	14,696	14,368
Amortization of debt costs and discounts	1,587	1,459
Loss (gain) on sale of property and equipment	9	(1)
Share-based compensation	700	667
Deferred income taxes	4,006	5,001
Changes in operating assets and liabilities:
Accounts receivable, net	614	506
Prepaid expense	1,397	1,484
Inventory	(34)	(75)
Other assets	114	100
Accounts payable	(1,967)	836
Accrued interest	38	(26)
Accrued expense	(2,076)	(511)
Income tax receivable	(8)	116
Other liabilities	(27)	(20)
Net cash provided by operating activities	23,943	24,461
Cash flows from investing activities:
Proceeds from sale of property and equipment	18	8
Purchases of property and equipment	(8,601)	(6,718)
Net cash used in investing activities	(8,583)	(6,710)
Cash flows from financing activities:
Restricted cash	(94,945)	0
Payment on capital lease	15	16
Payment on long-term debt	(2,913)	0
Loan origination fees	(515)	0
Repurchases of vested share-based awards	(73)	(47)
Net cash provided by (used in) financing activities	(98,461)	(63)
Net (decrease) increase in cash and cash equivalents	(83,101)	17,688
Cash and cash equivalents:
Beginning of period	157,779	135,175
End of period	74,678	152,863
Supplemental cash flow information:
Cash paid during the period for interest	13,851	13,916
Supplemental schedule of non-cash investing and financing activities:
Purchase of property and equipment financed through accounts payable	706	402
Non-cash loan origination fees	$ 6	$ 0