Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets
Cash and cash equivalents	$ 39,000	$ 8,361
Restricted cash	42,489	25,892
Accounts receivable, net of allowance for doubtful accounts of $3,725 and $3,219 respectively	229,704	138,421
Inventories, net	11,922	11,195
Prepaid expenses and other current assets	24,596	12,202
Total current assets	347,711	196,071
Property, plant and equipment, net	132,908	81,600
Goodwill	747,325	373,291
Intangible assets, net	464,984	298,739
Deferred income tax assets	9,019	9,654
Other noncurrent assets	12,891	10,131
Total assets	1,714,838	969,486
Current liabilities
Accounts payable	81,263	42,212
Related party payables	14,445	9,344
Income tax payable	3,612	1,031
Accrued liabilities	104,485	29,492
Accrued compensation and benefits	46,925	31,200
Customer deposits	31,656	18,729
Deferred revenue	12,709	17,235
Obligation for claim payment	42,489	25,892
Current portion of capital lease obligations	15,611	6,507
Current portion of long-term debt	20,565	55,833
Total current liabilities	373,760	237,475
Long-term debt, net of current maturities	1,276,094	983,502
Capital lease obligations, net of current maturities	25,958	18,439
Pension liability	25,496	28,712
Deferred income tax liabilities	5,362	26,223
Long-term income tax liability	3,470	3,063
Other long-term liabilities	14,704	11,973
Total liabilities	1,724,844	1,309,387
Commitment and Contingencies(Note 12)
Stockholders' equity (deficit)
Common stock, par value of $0.0001 per share; 1,600,000,000 shares authorized; 150,578,451 shares issued and 150,529,151 outstanding at December 31, 2017 and 64,024,557 shares issued and outstanding at December 31, 2016	15	6
Preferred stock, par value of $0.0001 per share; 20,000,000 shares authorized and 6,194,233 shares issued and outstanding at December 31, 2017 and no shares issued or outstanding at December 31, 2016	1
Additional paid in capital	482,018	(57,395)
Less: common stock held in treasury, at cost: 49,300 shares at December 31, 2017 and no shares at December 31, 2016	(249)
Equity-based compensation	34,085	27,342
Accumulated deficit	(514,628)	(293,968)
Accumulated other comprehensive loss:
Foreign currency translation adjustment	(194)	(3,547)
Unrealized pension actuarial losses, net of tax	(11,054)	(12,339)
Total accumulated other comprehensive loss	(11,248)	(15,886)
Total stockholders' deficit	(10,006)	(339,901)
Total liabilities and stockholders' equity (deficit)	$ 1,714,838	$ 969,486

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

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- Definition

Amount due from customers or clients, within one year of the balance sheet date (or the normal operating cycle, whichever is longer), for goods or services (including trade receivables) that have been delivered or sold in the normal course of business, reduced to the estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection.