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Accumulated Other Comprehensive Income (Loss) (Tables) | 9 Months Ended
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Sep. 30, 2019
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 September 30
| 2019 |  | 2018
| Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total |  | Auction Rate Money Market Preferred and Preferred Stocks |  | All Other AFS Securities |  | Total
Unrealized gains (losses) arising during the period | $ | 240 |  |  | $ | 1,484 |  |  | $ | 1,724 |  |  | $ | (27 | ) |  | $ | (2,486 | ) |  | $ | (2,513 | )
Reclassification adjustment for net (gains) losses included in net income | — |  |  | (6 | ) |  | (6 | ) |  | — |  |  | — |  |  | — |
Net unrealized gains (losses) | 240 |  |  | 1,478 |  |  | 1,718 |  |  | (27 | ) |  | (2,486 | ) |  | (2,513 | )
Tax effect | — |  |  | (310 | ) |  | (310 | ) |  | — |  |  | 522 |  |  | 522 |
Unrealized gains (losses), net of tax | $ | 240 |  |  | $ | 1,168 |  |  | $ | 1,408 |  |  | $ | (27 | ) |  | $ | (1,964 | ) |  | $ | (1,991 | )
| Nine Months Ended September 30
| 2019 |  | 2018
| Auction Rate Money Market Preferred Stocks |  | All Other AFS Securities |  | Total |  | Auction Rate Money Market Preferred and Preferred Stocks |  | All Other AFS Securities |  | Total
Unrealized gains (losses) arising during the period | $ | 535 |  |  | $ | 12,019 |  |  | $ | 12,554 |  |  | $ | 59 |  |  | $ | (12,607 | ) |  | $ | (12,548 | )
Reclassification adjustment for net (gains) losses included in net income | — |  |  | (6 | ) |  | (6 | ) |  | — |  |  | — |  |  | — |
Net unrealized gains (losses) | 535 |  |  | 12,013 |  |  | 12,548 |  |  | 59 |  |  | (12,607 | ) |  | (12,548 | )
Tax effect | — |  |  | (2,523 | ) |  | (2,523 | ) |  | — |  |  | 2,648 |  |  | 2,648 |
Unrealized gains (losses), net of tax | $ | 535 |  |  | $ | 9,490 |  |  | $ | 10,025 |  |  | $ | 59 |  |  | $ | (9,959 | ) |  | $ | (9,900 | )
The following table summarizes the changes in AOCI by component for the:
| Three Months Ended September 30
| 2019 |  | 2018
| 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, July 1 | $ | 3,417 |  |  | $ | 91 |  |  | $ | (2,741 | ) |  | $ | 767 |  |  | $ | (7,295 | ) |  | $ | 351 |  |  | $ | (3,223 | ) |  | $ | (10,167 | )
OCI before reclassifications | 1,724 |  |  | (37 | ) |  | — |  |  | 1,687 |  |  | (2,513 | ) |  | 7 |  |  | — |  |  | (2,506 | )
Amounts reclassified from AOCI | (6 | ) |  | — |  |  | — |  |  | (6 | ) |  | — |  |  | — |  |  | — |  |  | — |
Subtotal | 1,718 |  |  | (37 | ) |  | — |  |  | 1,681 |  |  | (2,513 | ) |  | 7 |  |  | — |  |  | (2,506 | )
Tax effect | (310 | ) |  | 8 |  |  | — |  |  | (302 | ) |  | 522 |  |  | (2 | ) |  | — |  |  | 520 |
OCI, net of tax | 1,408 |  |  | (29 | ) |  | — |  |  | 1,379 |  |  | (1,991 | ) |  | 5 |  |  | — |  |  | (1,986 | )
Balance, September 30 | $ | 4,825 |  |  | $ | 62 |  |  | $ | (2,741 | ) |  | $ | 2,146 |  |  | $ | (9,286 | ) |  | $ | 356 |  |  | $ | (3,223 | ) |  | $ | (12,153 | )
| Nine Months Ended September 30
| 2019 |  | 2018
| 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 | $ | (5,200 | ) |  | $ | 256 |  |  | $ | (2,741 | ) |  | $ | (7,685 | ) |  | $ | 391 |  |  | $ | 230 |  |  | $ | (3,223 | ) |  | $ | (2,602 | )
OCI before reclassifications | 12,554 |  |  | (245 | ) |  | — |  |  | 12,309 |  |  | (12,548 | ) |  | 160 |  |  | — |  |  | (12,388 | )
Amounts reclassified from AOCI | (6 | ) |  | — |  |  | — |  |  | (6 | ) |  | — |  |  | — |  |  | — |  |  | — |
Subtotal | 12,548 |  |  | (245 | ) |  | — |  |  | 12,303 |  |  | (12,548 | ) |  | 160 |  |  | — |  |  | (12,388 | )
Tax effect | (2,523 | ) |  | 51 |  |  | — |  |  | (2,472 | ) |  | 2,648 |  |  | (34 | ) |  | — |  |  | 2,614 |
OCI, net of tax | 10,025 |  |  | (194 | ) |  | — |  |  | 9,831 |  |  | (9,900 | ) |  | 126 |  |  | — |  |  | (9,774 | )
Adoption of ASU 2016-01 | — |  |  | — |  |  | — |  |  | — |  |  | 223 |  |  | — |  |  | — |  |  | 223 |
Balance, September 30 | $ | 4,825 |  |  | $ | 62 |  |  | $ | (2,741 | ) |  | $ | 2,146 |  |  | $ | (9,286 | ) |  | $ | 356 |  |  | $ | (3,223 | ) |  | $ | (12,153 | )

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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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