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Accumulated Other Comprehensive Income (Loss) (Tables) | 12 Months Ended
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Dec. 31, 2017
Accumulated Other Comprehensive Income Loss [Abstract] |
Schedule of Accumulated Other Comprehensive Income (Loss) | Changes in AOCI by component are as follows:
(in thousands) |  | Unrealized Gains on Investments |  |  | Cumulative Foreign Currency Translation Adjustments |  |  | Unrecognized Net Actuarial Loss and Prior Service Credit, Net |  |  | Accumulated Other Comprehensive Income (Loss) |
Balance at December 31, 2015 |  | $ | 346 |  |  | $ | (23,257 | ) |  | $ | (11,265 | ) |  | $ | (34,176 | )
Other comprehensive income (loss) before reclassifications |  |  | 135 |  |  |  | (5,827 | ) |  |  | — |  |  |  | (5,692 | )
Amounts reclassified from AOCI, net of tax |  |  | (60 | ) |  |  | — |  |  |  | 537 |  |  |  | 477 |
Net other comprehensive income (loss) |  |  | 75 |  |  |  | (5,827 | ) |  |  | 537 |  |  |  | (5,215 | )
Balance at December 31, 2016 |  | $ | 421 |  |  | $ | (29,084 | ) |  | $ | (10,728 | ) |  | $ | (39,391 | )
Other comprehensive income before reclassifications |  |  | 257 |  |  |  | 17,058 |  |  |  | — |  |  |  | 17,315 |
Amounts reclassified from AOCI, net of tax |  |  | (62 | ) |  |  | — |  |  |  | (430 | ) |  |  | (492 | )
Net other comprehensive income (loss) |  |  | 195 |  |  |  | 17,058 |  |  |  | (430 | ) |  |  | 16,823 |
Balance at December 31, 2017 |  | $ | 616 |  |  | $ | (12,026 | ) |  | $ | (11,158 | ) |  | $ | (22,568 | )
Reclassification out of Accumulated Other Comprehensive Income | The following table presents information about reclassification adjustments out of AOCI:
|  | Year Ended December 31, |  |  | Affected Line Item in the Statement Where Net Income is Presented
(in thousands) |  | 2017 |  |  | 2016 |  |  |
Unrealized gains on investments |  | $ | (100 | ) |  | $ | (97 | ) |  | Interest income
Tax effect |  |  | 38 |  |  |  | 37 |  |  | Income taxes
|  | $ | (62 | ) |  | $ | (60 | ) |  |
Recognized net actuarial loss (gains)(1) |  | $ | 507 |  |  | $ | 1,440 |  |  |
Amortization of prior service credit(1) |  |  | (1,247 | ) |  |  | (575 | ) |  |
Tax effect |  |  | 310 |  |  |  | (328 | ) |  | Income taxes
|  | $ | (430 | ) |  | $ | 537 |  |  |
(1) | Amount included in pension expense. Refer to Note 17 – Pension and Postretirement Benefits.

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- Definition Tabular disclosure of information about items reclassified out of accumulated other comprehensive income (loss). + References No definition available. + Details
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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=84228862&loc=SL7669686-108580 + Details
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- Definition Accumulated other comprehensive income (loss). + References No definition available. + Details
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