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2. SUMMARY OF ACCOUNTING POLICIES (Details - Summary of net revenue) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Accounting Policies [Abstract] |  |  |
Commercial Insurance | $ 432,608 | $ 409,114 | $ 376,107
Medicare | 139,220 | 122,971 | 107,613
Medicaid | 21,351 | 20,101 | 17,756
Workers Compensation/Personal Injury | 30,819 | 26,604 | 23,137
Other | 41,309 | 39,192 | 30,367
Service fee revenue, net of contractual allowances and discounts | 665,307 | 617,982 | 554,979
Provision for bad debts | (27,911) | (25,904) | (22,339)
Net service fee revenue | 637,396 | 592,078 | 532,640
Revenue under capitation arrangements | 65,590 | 55,075 | 52,481
Total net revenue | $ 702,986 | $ 647,153 | $ 585,121

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- Definition Amount of revenue recognized for providing services to patients, net of provisions for contractual allowances and discounts. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=9156363&loc=d3e8184-115640 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=9156363&loc=SL9156442-115640 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=25502053&loc=SL9156464-115641 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=9156363&loc=d3e8195-115640 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 954 -SubTopic 605 -Section 45 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=9156363&loc=SL9156442-115640 + Details
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