Commitment and Contingencies - Narrative (Detail) (USD $)	1 Months Ended	9 Months Ended	12 Months Ended			0 Months Ended	1 Months Ended	6 Months Ended	29 Months Ended	31 Months Ended	12 Months Ended
	Jul. 31, 2013 sqft	Sep. 30, 2013	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Apr. 19, 2013 Maureen Petray and Carina Higareda v. MedStaff, Inc. [Member] New Hanover Regional Medical Center [Member]	Nov. 07, 2013 Maureen Petray and Carina Higareda v. MedStaff, Inc. [Member] New Hanover Regional Medical Center [Member]	Jun. 30, 2013 Maureen Petray and Carina Higareda v. MedStaff, Inc. [Member] New Hanover Regional Medical Center [Member]	Sep. 07, 2010 Maureen Petray and Carina Higareda v. MedStaff, Inc. [Member] New Hanover Regional Medical Center [Member]	Apr. 19, 2013 Maureen Petray and Carina Higareda v. MedStaff, Inc. [Member] New Hanover Regional Medical Center [Member]	Dec. 31, 2011 Tax Years 2008 to 2010 [Member]	Dec. 31, 2012 Tax Years 2005 to 2011 [Member]	Dec. 31, 2013 Tax Years 2007 to 2012 [Member]
Loss Contingencies [Line Items]
Area of Real Estate Property	41,607
Operating lease expense			$ 5,481,000	$ 5,791,000	$ 6,159,000
Pretax liability related to the non-income tax matters			841,000	1,019,000	526,000						395,000	301,000	352,000
Taxes paid to settle with certain states			306,000
Commitments and Contintingencies Term	10 years 8 months
Lease Obligations	4,241,000
Maximum Tenant Improvement Allowance	1,456,000
Litigation Settlement, Amount		750,000
Loss Contingency, Damages Sought, Value						2,000,000
Loss Contingency Interest Rate									8.00%	8.00%
Legal Fees Included In Contingent Liability									41,000
Insurance Annual Coverage Limit Per Claim									2,000,000
Insurance Annual Coverage Limit									4,000,000
Malpractice Loss Contingency Insurance Payment								2,000,000
Malpractice Loss Contingency, Period Cost								920,450
Malpractice Loss Contingency, Insurance Recoveries							$ 273,474