Workers Compensation (Tables)

3 Months Ended

Mar. 31, 2016

Insurance [Abstract]

Summary of Activities in Liability for Unpaid Claims and Claims Adjustment Expenses

The following summarizes the activities in the balance sheet for unpaid claims and claims adjustment expenses within workers compensation assets and liabilities (in thousands):

	Three months ended March 31, 2016			Year ended December 31, 2015
Liability for unpaid claims and claims adjustment at beginning of period	$	190,102		$	148,034
Incurred related to:
Current year	22,774			89,137
Prior years	5,263			26,391
Total incurred	28,037			115,528
Paid related to:
Current year	(711		)	(16,376		)
Prior years	(17,276		)	(57,084		)
Total paid	(17,987		)	(73,460		)
Liability for unpaid claims and claims adjustment at end of period	$	200,152		$	190,102
Assets held by third parties to cover claim liabilities	(67,807		)	(58,522		)
Workers compensation premiums and other liabilities	16,000			9,455
Other workers compensation assets	(6,471		)	(1,012		)
Total net workers compensation liabilities	$	141,874		$	140,023
Location on Consolidated Balance Sheet:
Workers compensation liabilities
Current portion included in worksite employee-related liability	$	61,100		$	66,174
Long term portion	119,900			105,481
Total	$	181,000		$	171,655
Workers compensation receivables
Current portion included in worksite employee-related asset	$	2,234		$	2,428
Long term portion	36,892			29,204
Total	$	39,126		$	31,632