Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Operating activities
Net income	$ 4,509	$ 10,340
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	4,744	4,889
Stock-based compensation	1,246	1,502
Equity investment income	(40)	(600)
Deferred income taxes	2,588	1,975
Loss on disposals of long-lived assets	490	261
Other	20	18
Changes in operating assets and liabilities:
Accounts receivable, net of allowance for bad debt	749	(643)
Prepaid expenses and other assets	(2,196)	(438)
Income tax receivable	(4,233)	(981)
Accounts payable	(2,016)	907
Accrued liabilities	(2,783)	2,182
Income taxes payable	(559)	0
Deferred revenue	2,535	640
Net cash provided by operating activities	5,054	20,052
Investing activities
Capital expenditures	(1,670)	(3,139)
Capitalized program development costs and other assets	(627)	(82)
Equity investment	0	(950)
Net cash used in investing activities	(2,297)	(4,171)
Financing activities
Cash paid for repurchase of common stock	(1,402)	(630)
Cash received from issuance of common stock	98	0
Excess tax benefit from stock-based compensation	0	(1,000)
Net cash used in financing activities	(1,304)	(1,630)
Net increase in cash and cash equivalents	1,453	14,251
Cash and cash equivalents at beginning of period	146,351	105,734
Cash and cash equivalents at end of period	147,804	119,985
Supplemental disclosure of cash flow information
Income taxes paid	$ 6,052	$ 6,956