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Compensation Plans (Tables) | 12 Months Ended
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Dec. 31, 2020
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Share-based Payment Arrangement, Cost by Plan [Table Text Block] | The following table summarizes share-based compensation expense:
($ in thousands) | 2020 |  | 2019 |  | 2018
Performance stock units | $ | 1,097 |  |  | $ | 1,699 |  |  | $ | 2,067 |
Restricted stock units | 2,613 |  |  | 1,969 |  |  | 1,211 |
Employee stock purchase plan | 468 |  |  | 364 |  |  | 174 |
Total share-based compensation expense | $ | 4,178 |  |  | $ | 4,032 |  |  | $ | 3,452 |
Outstanding Long Term Incentive Awards [Table Text Block] | Information related to the outstanding grants at December 31, 2020 is shown below:
($ in thousands) | 2019 - 2021 Cycle |  | 2020 - 2022 Cycle
Shares issuable at target | 20,860 |  |  | 26,002 |
Maximum shares issuable | 41,720 |  |  | 52,004 |
Unrecognized compensation cost | $ | 366 |  |  | $ | 704 |
Weighted average grant date fair value | 47.46 |  |  | 38.09 |
Schedule of Various Information | At December 31, 2020 and 2019, the Company has reserved the following shares of its authorized but unissued common stock for possible future issuance in connection with the following:
| December 31, 2020 |  | December 31, 2019
Outstanding performance units (maximum issuance) | 125,176 |  |  | 73,172 |
Outstanding RSU’s | 157,428 |  |  | 117,369 |
Outstanding options and appreciation rights | — |  |  | 28,300 |
2018 Stock Incentive Plan | 339,691 |  |  | 521,573 |
Non-Management Director Plan | 86,616 |  |  | 96,031 |
2018 Employee Stock Purchase Plan | 635,890 |  |  | 694,085 |
Total | 1,344,801 |  |  | 1,530,530 |
Summary of Employee Stock Option and SSARs Activity | Following is a summary of the SSAR activity for 2020.
($ in thousands, except per share data) | Shares |  | Weighted Average Exercise Price |  |  |  |
Outstanding at December 31, 2019 | 28,300 |  |  | $ | 10.14 |  |  |  |  |
Exercised | (28,300) |  |  | 10.14 |  |  |  |  |
Outstanding at December 31, 2020 | — |  |  | N/A |  |  |  |
Summary of Restricted Stock Units Activity | A summary of the status of the Company’s RSU awards as of December 31, 2020 and changes during the year then ended is presented below
| Shares |  | Weighted Average Grant Date Fair Value
Outstanding at December 31, 2019 | 117,369 |  |  | $ | 45.86 |
Granted | 88,759 |  |  | 39.63 |
Vested | (44,351) |  |  | 45.68 |
Forfeited | (4,349) |  |  | 44.24 |
Outstanding at December 31, 2020 | 157,428 |  |  | $ | 42.44 |
Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] | The following table presents the changes in accumulated other comprehensive income (loss) after-tax by component:
($ in thousands) | Net Unrealized Gain (Loss) on Available-for-Sale Debt Securities |  | Unamortized Gain (Loss) on Held-to-Maturity Securities |  | Net Unrealized Loss on Cash Flow Hedges |  | Total
Balance, December 31, 2017 | $ | (3,622) |  |  | $ | (196) |  |  | $ | — |  |  | $ | (3,818) |
Net change | (4,633) |  |  | 3 |  |  | — |  |  | (4,630) |
Adjustment for change in accounting policies | (792) |  |  | (42) |  |  | — |  |  | (834) |
Balance, December 31, 2018 | (9,047) |  |  | (235) |  |  | — |  |  | (9,282) |
Net change | 29,226 |  |  | (33) |  |  | (2,162) |  |  | 27,031 |
Transfer from available-for-sale to held-to-maturity | (5,202) |  |  | 5,202 |  |  | — |  |  | — |
Balance, December 31, 2019 | 14,977 |  |  | 4,934 |  |  | (2,162) |  |  | 17,749 |
Net change | 23,627 |  |  | (1,910) |  |  | (2,346) |  |  | 19,371 |
Transfer from available-for-sale to held-to-maturity | (16,284) |  |  | 16,284 |  |  | — |  |  | — |
Balance, December 31, 2020 | $ | 22,320 |  |  | $ | 19,308 |  |  | $ | (4,508) |  |  | $ | 37,120 |
Schedule of Amounts Recognized in Other Comprehensive Income (Loss) | The following table presents the pre-tax and after-tax changes in the components of other comprehensive income:
| 2020 |  | 2019 |  | 2018
($ in thousands) | Pre-tax |  | Tax effect |  | After-tax |  | Pre-tax |  | Tax effect |  | After-tax |  | Pre-tax |  | Tax effect |  | After-tax
Change in unrealized gain (loss) on available-for-sale debt securities | $ | 31,798 |  |  | $ | 7,854 |  |  | $ | 23,944 |  |  | $ | 38,764 |  |  | $ | 9,575 |  |  | $ | 29,189 |  |  | $ | (6,143) |  |  | $ | (1,517) |  |  | $ | (4,626) |
Reclassification adjustment for realized (gain) loss on sale of available-for-sale debt securities(a) | (421) |  |  | (104) |  |  | (317) |  |  | 49 |  |  | 12 |  |  | 37 |  |  | (9) |  |  | (2) |  |  | (7) |
Reclassification of (gain) loss on held-to-maturity securities(b) | (2,537) |  |  | (627) |  |  | (1,910) |  |  | (44) |  |  | (11) |  |  | (33) |  |  | 4 |  |  | 1 |  |  | 3 |
Change in unrealized loss on cash flow hedges arising during the period(b) | (7,898) |  |  | (1,951) |  |  | (5,947) |  |  | (3,004) |  |  | (742) |  |  | (2,262) |  |  | — |  |  | — |  |  | — |
Reclassification of loss on cash flow hedges(b) | 4,782 |  |  | 1,181 |  |  | 3,601 |  |  | 133 |  |  | 33 |  |  | 100 |  |  | — |  |  | — |  |  | — |
Total other comprehensive income (loss) | $ | 25,724 |  |  | $ | 6,353 |  |  | $ | 19,371 |  |  | $ | 35,898 |  |  | $ | 8,867 |  |  | $ | 27,031 |  |  | $ | (6,148) |  |  | $ | (1,518) |  |  | $ | (4,630) |
(a)The pre-tax amount is reported in noninterest income/expense in the Consolidated Statements of Operations. (b)The pre-tax amount is reported in interest income/expense in the Consolidated Statements of Operations, except for a $3.2 million termination fee in 2020 recognized in noninterest expense.
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] |
Stock Options and SSARs |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Various Information | Various information related to the stock options and SSARs is shown below.
($ in thousands) | 2020 |  | 2019 |  | 2018
Intrinsic value of option/SSAR exercises on date of exercise | $ | 597 |  |  | $ | 407 |  |  | $ | 2,469 |
Restricted Stock Units (RSUs) [Member] |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Various Information | Various information related to the RSUs is shown below.
($ in thousands) | 2020 |  | 2019 |  | 2018
Total fair value at vesting date | $ | 1,702 |  |  | $ | 1,067 |  |  | $ | 1,544 |
Total unrecognized compensation cost for nonvested stock units | 3,899 |  |  | 3,417 |  |  | 2,175 |
Expected years to recognize unearned compensation | 1.9 years |  | 1.9 years |  | 2.0 years
Stock Plan for Non-Management Directors |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
Schedule of Various Information | Various information related to the Director Plan is shown below.
| 2020 |  | 2019 |  | 2018
Shares granted | 15,901 |  |  | 11,382 |  |  | 11,750 |
Weighted average fair value | $ | 30.28 |  |  | $ | 41.63 |  |  | $ | 50.74 |

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