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Supplementary Data on Cash Flows (Tables) | 12 Months Ended
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Dec. 31, 2014
Supplementary Data on Cash Flows [Abstract] |
Reconciliation of net income to net cash provided by operating activities | A reconciliation of net income to net cash provided by operating activities as presented in the Consolidated Statements of Cash Flows is as follows:
|  | Year Ended December 31, |
|  |  | 2014 |  |  |  | 2013 |  |  |  | 2012 |
Cash flows from operating activities |  |  |  |  |  |  |  |  |  |  |  |
Net income |  | $ | 104,243 |  |  | $ | 110,893 |  |  | $ | 103,866 |
Adjustments to reconcile net income to net cash provided by operating activities: |  |  |  |  |  |  |  |  |  |  |  |
Realized investment gains |  |  | (10,917 | ) |  |  | (22,245 | ) |  |  | (27,298 | )
Increase in accrued investment income |  |  | (5,563 | ) |  |  | (1,898 | ) |  |  | (2,618 | )
Increase in accrued expenses |  |  | 1,513 |  |  |  | 1,157 |  |  |  | 13,589 |
Depreciation and amortization |  |  | 7,958 |  |  |  | 7,680 |  |  |  | 7,892 |
Increase in insurance liabilities |  |  | 153,423 |  |  |  | 143,542 |  |  |  | 127,992 |
Increase in premium receivables |  |  | (3,638 | ) |  |  | (4,018 | ) |  |  | (5,638 | )
Increase in deferred policy acquisition costs |  |  | (12,662 | ) |  |  | (14,659 | ) |  |  | (13,989 | )
(Increase) decrease in reinsurance recoverable |  |  | 1,570 |  |  |  | (1,289 | ) |  |  | 872 |
Increase in income tax liabilities |  |  | 9,745 |  |  |  | 7,099 |  |  |  | 29,752 |
Other |  |  | (23,739 | ) |  |  | (20,326 | ) |  |  | (31,572 | )
Total adjustments |  |  | 117,690 |  |  |  | 95,043 |  |  |  | 98,982 |
Net cash provided by operating activities |  | $ | 221,933 |  |  | $ | 205,936 |  |  | $ | 202,848 |

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