Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2017	Dec. 31, 2016
Assets
Cash and cash equivalents	$ 56,583	$ 72,262
Accounts receivable, net of allowance of $6,295 in 2017 and $5,901 in 2016	172,189	162,115
Other receivables	8,545	12,639
Prepaid expenses and other	47,445	37,895
Restricted cash	1,461	3,192
Total current assets	286,223	288,103
Property and equipment, net	47,761	46,220
Goodwill	120,818	119,624
Intangible assets, net	46,799	49,124
Equity investments	160,601	161,363
Other assets	9,788	8,397
Restricted cash, less current portion	6,455	10,938
Deferred tax asset	4,431	1,510
Total assets	682,876	685,279
Liabilities, redeemable convertible preferred stock and stockholders' equity
Current portion of long-term obligations	1,918	1,721
Accounts payable	18,101	22,177
Accrued expenses	105,464	102,381
Accrued transportation costs	83,812	72,356
Deferred revenue	24,469	20,522
Reinsurance and related liability reserves	4,857	8,639
Total current liabilities	238,621	227,796
Long-term obligations, less current portion	1,131	1,890
Other long-term liabilities	24,750	22,380
Deferred tax liabilities	55,141	57,973
Total liabilities	319,643	310,039
Commitments and contingencies (Note 11)
Common stock: Authorized 40,000,000 shares; $0.001 par value; 17,433,365 and 17,315,661 issued and outstanding (including treasury shares)	17	17
Additional paid-in capital	307,934	302,010
Retained earnings	153,266	156,718
Accumulated other comprehensive loss, net of tax	(29,023)	(33,449)
Treasury shares, at cost, 3,944,009 and 3,478,676 shares	(144,193)	(125,201)
Total Providence stockholders' equity	288,001	300,095
Noncontrolling interest	(2,333)	(2,420)
Total stockholders' equity	285,668	297,675
Total liabilities, redeemable convertible preferred stock and stockholders' equity	682,876	685,279
Convertible Preferred Stock [Member]
Liabilities, redeemable convertible preferred stock and stockholders' equity
Convertible preferred stock, net: Authorized 10,000,000 shares; $0.001 par value; 803,398 and 803,398 issued and outstanding; 5.5%/8.5% dividend rate	$ 77,565	$ 77,565