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Consolidated Statements of Cash Flows (USD $) In Thousands, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Cash flows from operating activities: |  |  |
Net income | $ 30,312 | $ 20,109 | $ 36,984
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |
Bad debt expense | 319 | 653 | 1,315
Depreciation | 840 | 639 | 831
Amortization of stock-based compensation | 3,830 | 2,848 | 2,962
Net realized (gains) losses on investments | 11,943 | (2,350) | (27,692)
Net change in unrealized (gains) losses on investments | (9,443) | 18,410 | (1,754)
Net foreign currency (gains) losses on investments | (23) | (1,532) | (1,143)
Amortization of premium/accretion of discount, net | (4) | 203 | 545
Deferred income taxes | 3,813 | (9,543) | (1,333)
Excess tax (benefits) shortfall from stock-based compensation | 1,760 | (195) | (4,099)
Other | 6 | (17) | (627)
Net change in assets and liabilities relating to operating activities: |  |  |
Restricted cash and cash equivalents | 45,304 | (64,372) | 5,175
Prepaid reinsurance premiums | 3,174 | (22,009) | (20,792)
Reinsurance recoverables | (3,485) | (6,154) | 12,265
Reinsurance receivables, net | 30,871 | (17,598) | 3,575
Premiums receivable, net | (4,589) | (2,855) | (7,574)
Accrued investment income | 325 |  |
Other receivables | 360 | 129 | 2,810
Income taxes recoverable | (2,594) |  | 3,212
Deferred policy acquisition costs, net | (4,286) | (3,550) | 19
Purchase of trading securities | (343,962) | (801,704) | (617,994)
Proceeds from sales of trading securities | 360,000 | 921,625 | 549,305
Other assets | 331 | (726) | (779)
Unpaid losses and loss adjustment expenses | 6,026 | 28,286 | 31,731
Unearned premiums | 28,229 | 31,508 | 49,964
Accounts payable | 54 | 547 | 595
Reinsurance payable, net | (2,237) | 11,944 | (38,733)
Income taxes payable | (13,801) | 4,653 | 12,012
Other liabilities and accrued expenses | 3,292 | 1,630 | 2,399
Advance premium | (4,368) | (450) | 2,761
Net cash provided by (used in) operating activities | 141,997 | 110,129 | (4,060)
Cash flows from investing activities: |  |  |
Proceeds from sale of property and equipment | 28 | 64 | 32
Purchase of property and equipment | (2,726) | (2,395) | (1,714)
Purchases of fixed maturities, available-for-sale |  |  | (129,141)
Proceeds from sales of fixed maturities, available-for-sale |  |  | 116,238
Purchases of equity securities, available for sale |  |  | (80,730)
Proceeds from sales of equity securities, available for sale |  |  | 70,681
Net cash used in investing activities | (2,698) | (2,331) | (24,634)
Cash flows from financing activities: |  |  |
Bank overdraft increase | 509 | 2,455 | 2,733
Preferred stock dividend | (287) | (20) | (20)
Common stock dividend | (18,669) | (12,750) | (12,533)
Issuance of common stock | 207 | 5 | 14
Payments related to tax withholding for share-based compensation | (121) | (172) | (4,292)
Excess tax benefits (shortfall) from stock-based compensation | (1,760) | 195 | 4,099
Repayments of debt | (1,471) | (1,471) | (1,471)
Net cash used in financing activities | (21,592) | (11,758) | (11,470)
Net increase (decrease) in cash and cash equivalents | 117,707 | 96,040 | (40,164)
Cash and cash equivalents at beginning of period | 229,685 | 133,645 | 173,809
Cash and cash equivalents at end of period | 347,392 | 229,685 | 133,645
Supplemental cash flow disclosures: |  |  |
Interest | 414 | 856 | 805
Income taxes | $ 28,151 | $ 19,081 | $ 11,163

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