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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Cash flows from operating activities: |  |  |
Net income | $ 40,094,000 | $ 11,722,000 | $ 15,678,000
Adjustments to reconcile net income to net cash provided by continuing operating   activities: |  |  |
Income from discontinued operations, net | 0 | 0 | (6,856,000)
Depreciation, depletion and amortization | 12,946,000 | 6,050,000 | 6,158,000
Deferred income taxes | 7,941,000 | 5,995,000 | 22,130,000
Gain on remeasurement of invest in real estate partnership | (51,139,000) | 0 | 0
Equity in loss of joint ventures | 5,754,000 | 5,690,000 | 1,954,000
Gain on sale of equipment and property | (880,000) | (9,184,000) | (674,000)
Stock-based compensation | 1,111,000 | 1,372,000 | 232,000
Realized (gain) loss on available for sale investments | 0 | (298,000) | (949,000)
Deferred debt issuance cost write-off | 0 | 902,000 | 0
Net changes in operating assets and liabilities: |  |  |
Accounts receivable | 837,000 | (377,000) | 18,000
Deferred costs and other assets | (346,000) | 27,000 | (1,072,000)
Accounts payable and accrued liabilities | 1,888,000 | 956,000 | (350,000)
Income taxes payable and receivable | 3,518,000 | (5,125,000) | 10,358,000
Other long-term liabilities | 518,000 | 883,000 | 2,138,000
Net cash provided by operating activities of continuing operations | 22,242,000 | 18,613,000 | 48,765,000
Net cash used in operating activities of discontinued operations | 0 | 0 | (1,742,000)
Net cash provided by operating activities | 22,242,000 | 18,613,000 | 47,023,000
Cash flows from investing activities: |  |  |
Investments in properties | (16,530,000) | (17,544,000) | (10,434,000)
Investments in joint ventures | (13,436,000) | (12,315,000) | (73,529,000)
Return of capital from investments in joint ventures | 22,279,000 | 0 | 0
Purchases of investments available for sale | 0 | (24,584,000) | (86,261,000)
Proceeds from sales of investments available for sale | 69,865,000 | 85,735,000 | 116,434,000
Cash at consolidation of real estate partnership | 3,704,000 | 0 | 0
Cash held in escrow | (220,000) | (10,000) | 16,000
Proceeds from sale of assets | 939,000 | 19,245,000 | 8,422,000
Net cash provided by (used in) investment activities of continuing operations | 66,601,000 | 50,527,000 | (45,352,000)
Net cash provided by investing activities of discontinued operations | 0 | 0 | 11,533,000
Net cash provided by (used in) investing activities | 66,601,000 | 50,527,000 | (33,819,000)
Cash flows from financing activities: |  |  |
Proceeds from long-term debt | 92,070,000 | 0 | 0
Repayment of long-term debt | (90,000,000) | 0 | 0
Debt issue costs | (704,000) | 0 | 0
Distribution to noncontrolling interest | (2,602,000) | (765,000) | (1,392,000)
Repurchase of company stock | (264,000) | (21,312,000) | (8,210,000)
Exercise of employee stock options | 269,000 | 239,000 | 458,000
Net cash used in financing activities of continuing operations | (1,231,000) | (21,838,000) | (9,144,000)
Net cash used in financing activities of discontinued operations | 0 | 0 | 0
Net cash used in financing activities | (1,231,000) | (21,838,000) | (9,144,000)
Net increase in cash and cash equivalents | 87,612,000 | 47,302,000 | 4,060,000
Cash and cash equivalents at beginning of year | 73,909,000 | 26,607,000 | 22,547,000
Cash and cash equivalents at end of the year | 161,521,000 | 73,909,000 | 26,607,000
Supplemental disclosures of cash flow information: |  |  |
Interest, net of capitalized amounts | 2,150,000 | 960,000 | 914,000
Income taxes (refunded) paid | $ (1,226,000) | $ 2,244,000 | $ (26,380,000)

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