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CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands | 6 Months Ended
--- | ---
Jun. 30, 2019 | Jun. 30, 2018
Operating activities |  |
Net income | $ 92,344 | $ 99,425
Adjustments to reconcile net income to net cash provided by operating activities: |  |
Depreciation and amortization | 210,073 | 118,949
Amortization of items charged to interest expense | 3,826 | 3,143
Noncash operating lease expense | 61,047 | 0
Change in fair value of contingent purchase price | 5,757 | 1,337
Loss on sale of property and equipment | 893 | 3
Income from unconsolidated affiliates | (11,942) | (11,095)
Return on investment from unconsolidated affiliates | 13,500 | 13,300
Deferred income taxes | 15,429 | 8,210
Stock-based compensation | 6,664 | 5,932
Recoveries on loan loss and unfunded loan commitments, net of impairment losses | 0 | (16,367)
Loss on early extinguishment of debt | 0 | 3,461
Changes in operating assets and liabilities, net of businesses acquired |  |
Accounts receivable | 7,595 | 5,766
Prepaid expenses and other current assets | (256) | (5,081)
Other assets | (1,497) | (1,579)
Accounts payable | 119 | (2,014)
Accrued expenses | (20,043) | (32,058)
Income taxes | 7,621 | 14,091
Operating lease liabilities | (78,307) | 0
Other current and noncurrent liabilities | 2,371 | 1,636
Net cash provided by operating activities | 315,194 | 207,059
Investing activities |  |
Project capital expenditures | (12,010) | (1,661)
Maintenance capital expenditures | (83,020) | (31,297)
Proceeds from sale of property and equipment | 376 | 218
Proceeds from sale of loan | 0 | 15,186
Consideration paid for acquisitions of businesses, net of cash acquired | (1,359,466) | (3,006)
Proceeds from sale-and-leaseback transactions in conjunction with acquisitions | 961,127 | 0
Consideration paid for gaming licenses and other intangible assets | (1,377) | (58,230)
Other | (250) | (326)
Net cash used in investing activities | (494,620) | (79,116)
Financing activities |  |
Proceeds from revolving credit facility | 340,000 | 54,000
Principal payments on long-term debt | (23,336) | (170,750)
Repayments on revolving credit facility | (172,000) | (54,000)
Payments of other long-term obligations | (7,939) | (7,636)
Principal payments on financing obligations | (25,343) | (32,766)
Principal payments on finance leases | (2,941) | 0
Proceeds from exercise of options | 712 | 5,195
Repurchase of common stock | (24,885) | 0
Payments of contingent purchase price | (367) | (541)
Proceeds from insurance financing | 13,797 | 8,541
Payments on insurance financing | (10,474) | (7,814)
Other | (280) | 0
Net cash provided by (used in) financing activities | 86,944 | (205,771)
Change in cash, cash equivalents, and restricted cash | (92,482) | (77,828)
Cash, cash equivalents and restricted cash at the beginning of the year | 481,238 | 279,418
Cash, cash equivalents and restricted cash at the end of the period | 388,756 | 201,590
Reconciliation of cash, cash equivalents and restricted cash: |  |
Total cash, cash equivalents and restricted cash | 481,238 | 279,418
Supplemental disclosure: |  |
Cash paid for interest, net of amounts capitalized | 265,624 | 230,023
Cash payments related to income taxes, net | 4,500 | 6,507
Non-cash investing and financing activities: |  |
Commencement of operating leases | 712,837 | 0
Commencement of finance leases | 4,332 | 0
Accrued capital expenditures | $ 3,636 | $ 4,089

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