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Consolidated Statements of Cash Flows - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Statement of Cash Flows [Abstract] |  |  |
Net income | $ 122,986,000 | $ 52,953,000 | $ 28,892,000
Non-cash items included in net income: |  |  |
Depreciation and amortization of furniture, equipment and leasehold improvements | 8,143,000 | 7,635,000 | 6,871,000
Deferred Income Taxes and Tax Credits | 21,336,000 | 9,878,000 | 2,773,000
Amortization of notes receivable | 11,763,000 | 12,971,000 | 12,540,000
Amortization of debt issuance costs | 206,000 | 236,000 | 259,000
Write-off of debt issuance costs | 341,000 | 184,000 | 0
Provision for (reversal of) credit losses | (41,000) | (435,000) | 117,000
Share-based compensation | 16,220,000 | 11,819,000 | 6,710,000
Operating Lease Right-of-use Asset, Amortization | 25,150,000 | 25,186,000 | 0
Gain (Loss) on Repurchase of Debt Instrument | (86,000) |  |
Decrease (increase) in operating assets: |  |  |
Deposits with clearing organizations | (34,928,000) | 19,263,000 | (25,456,000)
Receivable from brokers, dealers and clearing organizations | (40,201,000) | 3,200,000 | 20,622,000
Increase (Decrease) in Accounts and Other Receivables | 313,860,000 | 75,722,000 | (127,332,000)
Income tax receivable | 5,170,000 | (4,156,000) | 1,925,000
Securities purchased under agreements to resell | 0 | 290,000 | 368,000
Securities owned | 189,202,000 | 37,865,000 | 89,013,000
Notes receivable | (14,254,000) | (12,583,000) | (16,078,000)
Other assets | (105,435,000) | (53,698,000) | 30,272,000
Increase (decrease) in operating liabilities: |  |  |
Drafts payable | 0 | (16,348,000) | (26,064,000)
Payable to brokers, dealers and clearing organizations | (261,064,000) | 231,768,000 | 77,724,000
Payable to customers | 168,072,000 | (1,881,000) | (49,291,000)
Securities sold under agreements to repurchase | 55,173,000 | (196,953,000) | (102,260,000)
Securities sold but not yet purchased | 25,600,000 | 15,125,000 | (9,040,000)
Accrued compensation | 82,367,000 | 36,319,000 | (6,418,000)
Increase (Decrease) in Income Taxes Payable | 9,726,000 |  |
Accounts payable and other liabilities | (25,645,000) | (23,774,000) | (2,241,000)
Cash (used in) provided by operating activities | (54,059,000) | 79,142,000 | 168,570,000
Cash flows from investing activities |  |  |
Purchase of furniture, equipment and leasehold improvements | (4,528,000) | (10,024,000) | (8,672,000)
Payments to Acquire Intangible Assets | 0 | 0 | (400,000)
Proceeds from Life Insurance Policy | 587,000 | 1,720,000 | 881,000
Cash used in investing activities | (3,941,000) | (8,304,000) | (8,191,000)
Cash flows from financing activities |  |  |
Cash dividends paid on Class A non-voting and Class B voting common stock | (18,578,000) | (5,944,000) | (5,833,000)
Payments of Ordinary Dividends, Noncontrolling Interest | 0 | 0 | (372,000)
Issuance of Class A non-voting common stock | 56,000 | 83,000 | 70,000
Repurchase of Class A non-voting common stock for cancellation | (15,048,000) | (8,400,000) | (5,894,000)
Payment, Tax Withholding, Share-based Payment Arrangement | (5,839,000) | (1,014,000) | (2,529,000)
Proceeds from Issuance of Senior Long-term Debt | 125,000,000 | 0 | 0
Redemption of senior secured notes | (148,574,000) | (50,000,000) | 0
Repayments of Debt | 1,426,000 |  |
Payments of Debt Issuance Costs | (1,210,000) | 0 | 0
Payments For Debt Redemption Cost | (2,507,000) | (1,688,000) | 0
Redemption of senior secured notes | 82,000,000 | (15,000,000) | (103,300,000)
Cash provided by (used in) financing activities | 13,874,000 | (81,963,000) | (117,858,000)
Net (decrease) increase in cash and cash equivalents | (44,126,000) | (11,125,000) | 42,521,000
Cash and cash equivalents, beginning of year | 79,550,000 | 90,675,000 | 48,154,000
Cash and cash equivalents, end of year | 35,424,000 | 79,550,000 | 90,675,000
Schedule of non-cash financing activities |  |  |
Employee share plan issuance | 12,167,000 | 2,192,000 | 724,000
Supplemental disclosure of cash flow information |  |  |
Cash paid during the year for interest | 19,013,000 | 40,678,000 | 53,559,000
Cash paid during the year for income taxes, net | $ 11,191,000 | $ 16,816,000 | $ 11,520,000

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