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Accumulated Other Comprehensive Income (Loss) (Tables) | 3 Months Ended
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Mar. 31, 2020
Equity [Abstract] |
Summary of the components of accumulated other comprehensive income | A summary of the components of unrealized gains on AFS securities included in OCI follows for the:
| Three Months Ended March 31
| 2020 |  | 2019
| Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total |  | Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total
Unrealized gains (losses) arising during the period | $ | (393 | ) |  | $ | 6,704 |  |  | $ | 6,311 |  |  | $ | 265 |  |  | $ | 5,689 |  |  | $ | 5,954 |
Reclassification adjustment for net (gains) losses included in net income | — |  |  | (71 | ) |  | (71 | ) |  | — |  |  | — |  |  | — |
Net unrealized gains (losses) | (393 | ) |  | 6,633 |  |  | 6,240 |  |  | 265 |  |  | 5,689 |  |  | 5,954 |
Tax effect | — |  |  | (1,393 | ) |  | (1,393 | ) |  | — |  |  | (1,195 | ) |  | (1,195 | )
Unrealized gains (losses), net of tax | $ | (393 | ) |  | $ | 5,240 |  |  | $ | 4,847 |  |  | $ | 265 |  |  | $ | 4,494 |  |  | $ | 4,759 |
The following table summarizes the changes in AOCI by component for the:
| Three Months Ended March 31
| 2020 |  | 2019
| Unrealized Gains (Losses) on AFS Securities |  | Unrealized Gains (Losses) on Derivative Instruments |  | Defined Benefit Pension Plan |  | Total |  | Unrealized Gains (Losses) on AFS Securities |  | Unrealized Gains (Losses) on Derivative Instruments |  | Defined Benefit Pension Plan |  | Total
Balance, January 1 | $ | 4,612 |  |  | $ | 54 |  |  | $ | (2,695 | ) |  | $ | 1,971 |  |  | $ | (5,200 | ) |  | $ | 256 |  |  | $ | (2,741 | ) |  | $ | (7,685 | )
OCI before reclassifications | 6,311 |  |  | (136 | ) |  | — |  |  | 6,175 |  |  | 5,954 |  |  | (81 | ) |  | — |  |  | 5,873 |
Amounts reclassified from AOCI | (71 | ) |  | — |  |  | — |  |  | (71 | ) |  | — |  |  | — |  |  | — |  |  | — |
Subtotal | 6,240 |  |  | (136 | ) |  | — |  |  | 6,104 |  |  | 5,954 |  |  | (81 | ) |  | — |  |  | 5,873 |
Tax effect | (1,393 | ) |  | 28 |  |  | — |  |  | (1,365 | ) |  | (1,195 | ) |  | 17 |  |  | — |  |  | (1,178 | )
OCI, net of tax | 4,847 |  |  | (108 | ) |  | — |  |  | 4,739 |  |  | 4,759 |  |  | (64 | ) |  | — |  |  | 4,695 |
Balance, March 31 | $ | 9,459 |  |  | $ | (54 | ) |  | $ | (2,695 | ) |  | $ | 6,710 |  |  | $ | (441 | ) |  | $ | 192 |  |  | $ | (2,741 | ) |  | $ | (2,990 | )

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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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