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Accumulated Other Comprehensive Income (Tables) | 9 Months Ended
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Sep. 30, 2018
Equity [Abstract] |
Activity in Accumulated Other Comprehensive Income | Activity in accumulated other comprehensive income for the three months ended September 30, 2018 and 2017 was as follows:
| Unrealized Gains and Losses on Available for Sale Securities |  | Tax Benefit (Expense) |  | Total
| (in thousands)
September 30, 2018 |  |  |  |  |
Balance at beginning of period | $ | (13,092 | ) |  | $ | 3,768 |  |  | $ | (9,324 | )
Other comprehensive loss before reclassification | (2,750 | ) |  | 798 |  |  | (1,952 | )
Reclassification from accumulated other comprehensive income | (19 | ) |  | — |  |  | (19 | )
Period change | (2,769 | ) |  | 798 |  |  | (1,971 | )
Balance at end of period | $ | (15,861 | ) |  | $ | 4,566 |  |  | $ | (11,295 | )
September 30, 2017 |  |  |  |  |
Balance at beginning of period | $ | 235 |  |  | $ | (98 | ) |  | $ | 137 |
Other comprehensive income before reclassification | 529 |  |  | (109 | ) |  | 420 |
Reclassification from accumulated other comprehensive income | (267 | ) |  | — |  |  | (267 | )
Period change | 262 |  |  | (109 | ) |  | 153 |
Balance at end of period | $ | 497 |  |  | $ | (207 | ) |  | $ | 290 |
Activity in accumulated other comprehensive income for the nine months ended September 30, 2018 and 2017 was as follows:
| Unrealized Gains and Losses on Available for Sale Securities |  | Tax Benefit (Expense) |  | Total
| (in thousands)
September 30, 2018 |  |  |  |  |
Balance at beginning of period | $ | (3,188 | ) |  | $ | 1,319 |  |  | $ | (1,869 | )
Other comprehensive loss before reclassification | (13,115 | ) |  | 3,793 |  |  | (9,322 | )
Reclassification from accumulated other comprehensive income | (87 | ) |  | — |  |  | (87 | )
Adjustment to accumulated other comprehensive income related to adoption of ASU 2016-01 and 2018-02 (see Notes 2 and 5) | 529 |  |  | (546 | ) |  | (17 | )
Period change | (12,673 | ) |  | 3,247 |  |  | (9,426 | )
Balance at end of period | $ | (15,861 | ) |  | $ | 4,566 |  |  | $ | (11,295 | )
September 30, 2017 |  |  |  |  |
Balance at beginning of period | $ | (4,089 | ) |  | $ | 1,695 |  |  | $ | (2,394 | )
Other comprehensive income before reclassification | 6,059 |  |  | (1,902 | ) |  | 4,157 |
Reclassification from accumulated other comprehensive income | (1,473 | ) |  | — |  |  | (1,473 | )
Period change | 4,586 |  |  | (1,902 | ) |  | 2,684 |
Balance at end of period | $ | 497 |  |  | $ | (207 | ) |  | $ | 290 |

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- Definition Tabular disclosure of the components of accumulated other comprehensive income (loss). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -URI http://asc.fasb.org/extlink&oid=114867106&loc=SL7669686-108580 + Details
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