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Premiums Receivable (Tables) | 12 Months Ended
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Dec. 31, 2018
Insurance [Abstract] |
Components of Premiums Receivable | The components of premiums receivable are shown below:
|  | December 31, |
|  | 2018 |  |  | 2017 |
|  | (in thousands) |
Premiums receivable |  | $ | 167,868 |  |  | $ | 179,460 |
Allowance for doubtful accounts |  |  | (5,390 | ) |  |  | (5,226 | )
Premiums receivable, net |  | $ | 162,478 |  |  | $ | 174,234 |
Summary of Activity in Allowance for Doubtful Accounts | The following summarizes the activity in the allowance for doubtful accounts:
|  | December 31, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
|  | (in thousands) |
Balance, beginning of year |  | $ | 5,226 |  |  | $ | 5,212 |  |  | $ | 4,852 |
Provision for bad debts |  |  | 883 |  |  |  | 1,394 |  |  |  | 1,646 |
Write-offs |  |  | (719 | ) |  |  | (1,380 | ) |  |  | (1,286 | )
Balance, end of year |  | $ | 5,390 |  |  | $ | 5,226 |  |  | $ | 5,212 |

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- Definition Tabular disclosure of credit losses for current financing receivables (such as trade and accounts receivable), including a rollforward of the balance. An alternative caption includes allowance for doubtful accounts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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