Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Cash flows from operating activities:
Net income (loss)	$ 1,424	$ (1,808)
Adjustments to reconcile net income (loss) to net cash provided by operating activities:
Depreciation and amortization	3,916	3,939
Deferred income taxes	470	(1,014)
Non-cash interest	251	124
Amortization of syndication contracts	124	176
Payments on syndication contracts	(135)	(186)
Equity in net (income) loss of nonconsolidated affiliate	156	62
Non-cash stock-based compensation	800	1,249
(Gain) loss on disposal of property and equipment	86
Changes in assets and liabilities:
(Increase) decrease in accounts receivable	13,657	11,043
(Increase) decrease in prepaid expenses and other assets	869	(3,981)
Increase (decrease) in accounts payable, accrued expenses and other liabilities	(7,311)	(5,977)
Net cash provided by operating activities	14,307	3,627
Cash flows from investing activities:
Purchases of property and equipment	(6,072)	(3,030)
Purchases of intangible assets		(3,153)
Purchases of marketable securities		(159,403)
Proceeds from marketable securities	10,721
Purchases of investments	(200)
Net cash used in investing activities	4,449	(165,586)
Cash flows from financing activities:
Tax payments related to shares withheld for share-based compensation plans	(751)	(2,227)
Payments on long-term debt	(750)	(750)
Dividends paid	(4,271)	(4,518)
Repurchase of Class A common stock	(7,706)	(2,402)
Net cash used in financing activities	(13,478)	(9,897)
Effect of exchange rates on cash, cash equivalents and restricted cash	(8)	(5)
Net increase (decrease) in cash, cash equivalents and restricted cash	5,270	(171,861)
Cash, cash equivalents and restricted cash:
Beginning	47,465	261,854
Ending	52,735	89,993
Cash payments for:
Interest	3,239	3,274
Income taxes	623	84
Supplemental disclosures of non-cash investing and financing activities:
Capital expenditures financed through accounts payable, accrued expenses and other liabilities	1,460	870
Contingent consideration included in accounts payable, accrued expenses and other liabilities	$ 8,478	$ 14,181

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The cash outflow for securities or other assets acquired, which qualify for treatment as an investing activity and are to be liquidated, if necessary, beyond the current operating cycle. Includes cash flows from securities classified as trading securities that were acquired for reasons other than sale in the long-term.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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Period Type:	duration

- Definition

Amount of cash outflow for purchase of marketable security.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=109979856&loc=d3e26853-111562

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- Definition

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

+ References

+ Details

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- Definition

The cash inflow associated with the aggregate amount received by the entity through sale or maturity of marketable securities (held-to-maturity or available-for-sale) during the period.

+ References

No definition available.

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- Definition

The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer.

+ References

+ Details

Name:	us-gaap_RepaymentsOfLongTermDebt
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- Definition

The aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock or unit options, amortization of restricted stock or units, and adjustment for officers' compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585

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