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Accumulated Other Comprehensive Income (Loss) | 3 Months Ended
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Mar. 31, 2021
Equity [Abstract] |
Accumulated Other Comprehensive Income (Loss) | Accumulated Other Comprehensive Income The following table summarizes the changes in AOCI by component for the:
| Three Months Ended March 31
| 2021 |  | 2020
| 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 | $ | 10,485 |  |  | $ | (42) |  |  | $ | (2,745) |  |  | $ | 7,698 |  |  | $ | 4,612 |  |  | $ | 54 |  |  | $ | (2,695) |  |  | $ | 1,971 |
OCI before reclassifications | (3,545) |  |  | 26 |  |  | — |  |  | (3,519) |  |  | 6,311 |  |  | (136) |  |  | — |  |  | 6,175 |
Amounts reclassified from AOCI | — |  |  | — |  |  | — |  |  | — |  |  | (71) |  |  | — |  |  | — |  |  | (71) |
Subtotal | (3,545) |  |  | 26 |  |  | — |  |  | (3,519) |  |  | 6,240 |  |  | (136) |  |  | — |  |  | 6,104 |
Tax effect | 742 |  |  | (5) |  |  | — |  |  | 737 |  |  | (1,393) |  |  | 28 |  |  | — |  |  | (1,365) |
OCI, net of tax | (2,803) |  |  | 21 |  |  | — |  |  | (2,782) |  |  | 4,847 |  |  | (108) |  |  | — |  |  | 4,739 |
Balance, March 31 | $ | 7,682 |  |  | $ | (21) |  |  | $ | (2,745) |  |  | $ | 4,916 |  |  | $ | 9,459 |  |  | $ | (54) |  |  | $ | (2,695) |  |  | $ | 6,710 |
Included in OCI for the three-month periods ended March 31, 2021 and 2020 are changes in unrealized gains and losses related to auction rate money market preferred stocks. These investments, for federal income tax purposes, have no deferred federal income taxes related to unrealized gains or losses given the nature of the investments. A summary of the components of unrealized gains on AFS securities included in OCI follows for the:
| Three Months Ended March 31
| 2021 |  | 2020
| 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 | $ | (13) |  |  | $ | (3,532) |  |  | $ | (3,545) |  |  | $ | (393) |  |  | $ | 6,704 |  |  | $ | 6,311 |
Reclassification adjustment for net (gains) losses included in net income | — |  |  | — |  |  | — |  |  | — |  |  | (71) |  |  | (71) |
Net unrealized gains (losses) | (13) |  |  | (3,532) |  |  | (3,545) |  |  | (393) |  |  | 6,633 |  |  | 6,240 |
Tax effect | — |  |  | 742 |  |  | 742 |  |  | — |  |  | (1,393) |  |  | (1,393) |
Unrealized gains (losses), net of tax | $ | (13) |  |  | $ | (2,790) |  |  | $ | (2,803) |  |  | $ | (393) |  |  | $ | 5,240 |  |  | $ | 4,847 |

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- Definition The entire disclosure for comprehensive income, which includes, but is not limited to, 1) the amount of income tax expense or benefit allocated to each component of other comprehensive income, including reclassification adjustments, 2) the reclassification adjustments for each classification of other comprehensive income and 3) the ending accumulated balances for each component of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -URI http://asc.fasb.org/topic&trid=2134417 + Details
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- References No definition available. + Details
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