Unaudited Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income (loss)	$ 14,164	$ (90,839)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Asset impairment	237	50,837
Depreciation and amortization expense	16,986	19,861
Bad debt expense	23,201	15,526
Compensation expense related to share-based awards	2,251	2,453
Loss on sale of businesses, net		1,632
Gain on disposition of property and equipment	(438)	(10)
Deferred income taxes	7,373
Changes in operating assets and liabilities	(48,060)	(20,463)
Net cash provided by (used in) operating activities	15,714	(21,003)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchases of available-for-sale investments	(137,755)	(64,056)
Sales of available-for-sale investments	99,718	69,436
Purchases of property and equipment	(3,352)	(7,926)
Proceeds on the sale of assets	3,600	2,272
Payments of cash upon sale of businesses	(62)	(4,125)
Net cash used in investing activities	(37,851)	(4,399)
CASH FLOWS FROM FINANCING ACTIVITIES:
Issuance of common stock	581	1,082
Payment on borrowings	(38,000)	(10,000)
Change in restricted cash	48,446	9,250
Net cash provided by financing activities	11,027	332
EFFECT OF FOREIGN CURRENCY EXCHANGE RATE CHANGES ON CASH AND CASH EQUIVALENTS:	(150)	178
NET DECREASE IN CASH AND CASH EQUIVALENTS	(11,260)	(24,892)
CASH AND CASH EQUIVALENTS, beginning of the period	66,919	93,832
CASH AND CASH EQUIVALENTS, end of the period	$ 55,659	$ 68,940