Supplemental Guarantor Condensed Consolidated Financial Statements - Condensed Consolidating Statement of Cash Flows (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2019	Mar. 31, 2018
Cash flows from operations:
Cash provided by (used in) operating activities	$ 15,327	$ (27,543)
Cash flows from investing activities
Purchase of furniture, equipment and leasehold improvements	(3,448)	(2,696)
Cash used in investing activities	(3,448)	(3,096)
Cash flows from financing activities
Cash dividends paid on Class A non-voting and Class B voting common stock	(1,432)	(1,456)
Payments for Repurchase of Common Stock	(2,035)	0
Payments for employee taxes withheld related to vested share-based awards	(1,014)	(2,444)
Redemption of senior secured notes	(15,000)	29,100
Cash (used in) provided by financing activities	(19,481)	25,200
Net decrease in cash and cash equivalents	(7,602)	(5,439)
Cash and cash equivalents, beginning of period	90,675	48,154
Cash and cash equivalents, end of period	83,073	42,715
Payments to Acquire Intangible Assets	0	400
Eliminations
Cash flows from operations:
Cash provided by (used in) operating activities	0	0
Cash flows from investing activities
Purchase of furniture, equipment and leasehold improvements	0	0
Cash used in investing activities	0	0
Cash flows from financing activities
Cash dividends paid on Class A non-voting and Class B voting common stock	0	0
Payments for Repurchase of Common Stock	0
Payments for employee taxes withheld related to vested share-based awards	0	0
Redemption of senior secured notes	0	0
Cash (used in) provided by financing activities	0	0
Net decrease in cash and cash equivalents	0	0
Cash and cash equivalents, beginning of period	0	0
Cash and cash equivalents, end of period	0	0
Payments to Acquire Intangible Assets		0
Guarantor Subsidiaries
Cash flows from operations:
Cash provided by (used in) operating activities	(214)	919
Cash flows from investing activities
Purchase of furniture, equipment and leasehold improvements	0	0
Cash used in investing activities	0	0
Cash flows from financing activities
Cash dividends paid on Class A non-voting and Class B voting common stock	0	0
Payments for Repurchase of Common Stock	0
Payments for employee taxes withheld related to vested share-based awards	0	0
Redemption of senior secured notes	0	0
Cash (used in) provided by financing activities	0	0
Net decrease in cash and cash equivalents	(214)	519
Cash and cash equivalents, beginning of period	3,826	3,716
Cash and cash equivalents, end of period	3,612	4,235
Payments to Acquire Intangible Assets		400
Non-Guarantor Subsidiaries
Cash flows from operations:
Cash provided by (used in) operating activities	14,742	(30,416)
Cash flows from investing activities
Purchase of furniture, equipment and leasehold improvements	(3,448)	(2,696)
Cash used in investing activities	(3,448)	(2,696)
Cash flows from financing activities
Cash dividends paid on Class A non-voting and Class B voting common stock	0	0
Payments for Repurchase of Common Stock	0
Payments for employee taxes withheld related to vested share-based awards	0	0
Redemption of senior secured notes	(15,000)	29,100
Cash (used in) provided by financing activities	(15,000)	29,100
Net decrease in cash and cash equivalents	(3,706)	(4,012)
Cash and cash equivalents, beginning of period	33,323	36,996
Cash and cash equivalents, end of period	29,617	32,984
Payments to Acquire Intangible Assets		0
Parent
Cash flows from operations:
Cash provided by (used in) operating activities	799	1,954
Cash flows from investing activities
Purchase of furniture, equipment and leasehold improvements	0	0
Cash used in investing activities	0	0
Cash flows from financing activities
Cash dividends paid on Class A non-voting and Class B voting common stock	(1,432)	(1,456)
Payments for Repurchase of Common Stock	2,035
Payments for employee taxes withheld related to vested share-based awards	(1,014)	(2,444)
Redemption of senior secured notes	0	0
Cash (used in) provided by financing activities	(4,481)	(3,900)
Net decrease in cash and cash equivalents	(3,682)	(1,946)
Cash and cash equivalents, beginning of period	53,526	7,442
Cash and cash equivalents, end of period	$ 49,844	5,496
Payments to Acquire Intangible Assets		$ 0

Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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