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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Operating activities |  |  |
Net income (loss) | $ (86,553) | $ 49,166 | $ 43,905
Adjustments to reconcile net income (loss) to net cash provided by operating activities: |  |  |
Depreciation and amortization | 19,737 | 19,212 | 19,085
Amortization of deferred financing costs and debt discount | 1,364 | 1,214 | 1,214
Debt modification expense | 267 |  |
Loss on disposal of fixed assets |  |  | 185
Stock-based compensation | 2,830 | 3,239 | 4,550
Adjustments on derivatives not designated as hedges | 2,854 |  |
Provision for losses on accounts receivable | 1,081 | 1,361 | 531
Deferred income taxes | (19,598) | (2,123) | 9,551
Impairment charges | 127,872 |  |
Earnout liability | (2,017) | (417) | (900)
Changes in operating assets and liabilities, net of acquisitions: |  |  |
Accounts receivable | 3,038 | (7,747) | (511)
Inventories | (1,801) | 4,054 | (12,347)
Prepaid assets, refundable income taxes and other assets | (3,715) | (2,140) | (1,114)
Accounts payable | (21) | (2,562) | 3,039
Accrued expenses and other current liabilities | 6,577 | 6,491 | 312
Benefit obligations and other long-term liabilities | 1,451 | 7,548 | (9,319)
Net cash provided by operating activities | 53,366 | 77,296 | 58,181
Investing activities |  |  |
Capital expenditures | (14,490) | (11,533) | (9,690)
Net cash used in investing activities | (14,490) | (11,533) | (9,690)
Financing activities |  |  |
Shares withheld on restricted stock vesting paid for employees' taxes | (72) | (50) | (23)
Payments of financing costs | (1,133) |  |
Borrowings on long-term debt | 270,875 |  |
Dividends paid | (25,926) | (25,183) | (24,383)
Repayment of long-term debt | (277,255) | (32,685) | (33,140)
Net cash used in financing activities | (33,511) | (57,918) | (57,546)
Change in cash and cash equivalents | 5,365 | 7,845 | (9,055)
Cash and cash equivalents at beginning of year | 35,665 | 27,820 | 36,875
Cash and cash equivalents at end of year | 41,030 | 35,665 | 27,820
Non-cash operating and financing activities |  |  |
Truck chassis inventory acquired through floorplan obligations | 38,167 | 44,929 | 38,129
Pension settlement |  | 6,609 |
Supplemental disclosure of cash flow information |  |  |
Income taxes paid | 4,279 | 13,283 | 8,465
Interest paid | $ 16,841 | $ 15,779 | $ 15,878

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