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Accumulated Other Comprehensive Income (Loss) (Tables) | 6 Months Ended
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Jun. 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 June 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 | $ | 30 |  |  | $ | 4,846 |  |  | $ | 4,876 |  |  | $ | 123 |  |  | $ | (2,101 | ) |  | $ | (1,978 | )
Tax effect | — |  |  | (1,018 | ) |  | (1,018 | ) |  | — |  |  | 442 |  |  | 442 |
Unrealized gains (losses), net of tax | $ | 30 |  |  | $ | 3,828 |  |  | $ | 3,858 |  |  | $ | 123 |  |  | $ | (1,659 | ) |  | $ | (1,536 | )
| Six Months Ended June 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 | $ | 295 |  |  | $ | 10,535 |  |  | $ | 10,830 |  |  | $ | 86 |  |  | $ | (10,121 | ) |  | $ | (10,035 | )
Tax effect | — |  |  | (2,213 | ) |  | (2,213 | ) |  | — |  |  | 2,126 |  |  | 2,126 |
Unrealized gains (losses), net of tax | $ | 295 |  |  | $ | 8,322 |  |  | $ | 8,617 |  |  | $ | 86 |  |  | $ | (7,995 | ) |  | $ | (7,909 | )
The following table summarizes the changes in AOCI by component for the:
| Three Months Ended June 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, April 1 | $ | (441 | ) |  | $ | 192 |  |  | $ | (2,741 | ) |  | $ | (2,990 | ) |  | $ | (5,759 | ) |  | $ | 326 |  |  | $ | (3,223 | ) |  | $ | (8,656 | )
OCI before reclassifications | 4,876 |  |  | (127 | ) |  | — |  |  | 4,749 |  |  | (1,978 | ) |  | 31 |  |  | — |  |  | (1,947 | )
Tax effect | (1,018 | ) |  | 26 |  |  | — |  |  | (992 | ) |  | 442 |  |  | (6 | ) |  | — |  |  | 436 |
OCI, net of tax | 3,858 |  |  | (101 | ) |  | — |  |  | 3,757 |  |  | (1,536 | ) |  | 25 |  |  | — |  |  | (1,511 | )
Balance, June 30 | $ | 3,417 |  |  | $ | 91 |  |  | $ | (2,741 | ) |  | $ | 767 |  |  | $ | (7,295 | ) |  | $ | 351 |  |  | $ | (3,223 | ) |  | $ | (10,167 | )
| Six Months Ended June 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 | 10,830 |  |  | (208 | ) |  | — |  |  | 10,622 |  |  | (10,035 | ) |  | 153 |  |  | — |  |  | (9,882 | )
Tax effect | (2,213 | ) |  | 43 |  |  | — |  |  | (2,170 | ) |  | 2,126 |  |  | (32 | ) |  | — |  |  | 2,094 |
OCI, net of tax | 8,617 |  |  | (165 | ) |  | — |  |  | 8,452 |  |  | (7,909 | ) |  | 121 |  |  | — |  |  | (7,788 | )
Adoption of ASU 2016-01 | — |  |  | — |  |  | — |  |  | — |  |  | 223 |  |  | — |  |  | — |  |  | 223 |
Balance, June 30 | $ | 3,417 |  |  | $ | 91 |  |  | $ | (2,741 | ) |  | $ | 767 |  |  | $ | (7,295 | ) |  | $ | 351 |  |  | $ | (3,223 | ) |  | $ | (10,167 | )

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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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