Medical Claims and Benefits Payable (Tables)

9 Months Ended

Sep. 30, 2013

Other Liabilities Disclosure [Abstract]

Components of change in medical claims and benefits payable

The following table shows the components of the change in medical claims and benefits payable from continuing and discontinued operations for the periods indicated:

	Nine Months Ended			Three Months Ended			Year Ended
	September 30, 2013			September 30, 2013			December 31, 2012
	(Dollars in thousands)
Balances at beginning of period	$	494,530		$	465,487		$	402,476
Components of medical care costs related to:
Current period	4,021,461			1,415,670			5,136,055
Prior periods	(54,040		)	(32,575		)	(39,295		)
Total medical care costs	3,967,421			1,383,095			5,096,760
Payments for medical care costs related to:
Current period	3,410,689			851,025			4,649,363
Prior periods	418,556			364,851			355,343
Total paid	3,829,245			1,215,876			5,004,706
Balances at end of period	$	632,706		$	632,706		$	494,530
Benefit from prior period as a percentage of:
Balance at beginning of period	10.9		%	7.0		%	9.8		%
Premium revenue, trailing twelve months	0.9		%	0.5		%	0.7		%
Medical care costs, trailing twelve months	1.0		%	0.6		%	0.8		%