CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Current assets:
Cash and cash equivalents	$ 66,003	$ 50,389
Accounts receivable, less reserves of $1,109 and $1,630, respectively	142,438	113,225
Inventories, net	73,471	60,117
Prepaid expenses and other current assets	21,457	17,162
Total current assets	303,369	240,893
Long-term assets:
Property, plant and equipment, net	110,402	91,500
Intangible assets, net	75,243	39,260
Goodwill	38,419	931
Investments and other long-term assets, net	31,604	21,945
Total long-term assets	255,668	153,636
Total assets	559,037	394,529
Current liabilities:
Current portion of debt	4,192	8,626
Accounts payable	79,386	62,594
Accrued expenses and other current liabilities	52,546	41,489
Total current liabilities	136,124	112,709
Long-term liabilities:
Revolving credit facility	121,000	67,000
Long-term debt, net	3,852	8,060
Deferred income taxes	18,874	9,760
Other long-term liabilities	35,115	4,923
Total long-term liabilities	178,841	89,743
Shareholders' equity:
Preferred Shares, without par value, 5,000 shares authorized, none issued
Common Shares, without par value, 60,000 shares authorized, 28,966 and 28,966 shares issued and 28,180 and 27,850 shares outstanding at December 31, 2017 and 2016, respectively, with no stated value
Additional paid-in capital	228,486	206,504
Common Shares held in treasury, 786 and 1,116 shares at December 31, 2017 and 2016, respectively, at cost	(7,118)	(5,632)
Retained earnings	92,264	45,356
Accumulated other comprehensive loss	(69,560)	(67,913)
Total Stoneridge Inc. shareholders' equity	244,072	178,315
Noncontrolling interest		13,762
Total shareholders' equity	244,072	192,077
Total liabilities and shareholders' equity	$ 559,037	$ 394,529

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).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- 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.