Share-Based Payment Arrangement, Expense, Including Merger-Related Share-Based Compensation Expense

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- Definition

Share-based Compensation Arrangement By Share-Based Payment Award, Conversion Ratio

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Share-based Compensation Arrangement By Share-based Payment Award, Performance Target, Percentage

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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Aggregate number of common shares reserved for future issuance.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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Amount of cost to be recognized for nonvested award under share-based payment arrangement. Excludes share and unit options.

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Amount of cost to be recognized for option under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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Amount of cash inflow from exercise of option under share-based payment arrangement.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Price of a single share of a number of saleable stocks of a company.

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Amount of difference between fair value of the underlying shares reserved for issuance and exercise price of vested portions of options outstanding and currently exercisable.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Equity impact of the cost of common and preferred stock that were repurchased during the period. Recorded using the cost method.

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Share-based Compensation - Narrative (Details) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 31, 2020 USD ($) $ / shares shares	Dec. 31, 2019 USD ($) shares	Dec. 31, 2018 USD ($) shares	Dec. 31, 2017 shares
Share-based compensation
Compensation expense including merger-related share-based compensation expense	$ 46,000	$ 26,300	$ 16,500
Compensation expense	$ 2,600
Tax benefit from share-based compensation		2,300	2,600
Weighted average remaining contractual term for all outstanding stock options	4 years
Weighted average remaining contractual term for exercisable stock options	3 years 9 months 18 days
Intrinsic value of all outstanding in-the-money stock options	$ 2,900
Exercisable in-the-money stock options	$ 2,800
Closing market price of TCF Financial's common stock (in dollars per share) \| $ / shares	$ 37.02
Exercise of stock options	$ 2,100
Unrecognized compensation expense	189
Repurchases of common stock	33,098	86,309	$ 212,929
TCF Financial Corporation
Share-based compensation
Repurchases of common stock	$ 33,100	$ 27,500
Restricted Stock Units (RSUs)
Share-based compensation
Shares outstanding (in shares) \| shares	2,015,514	1,511,820	406,575	360,988
Unrecognized compensation costs	$ 43,100
Unrecognized compensation cost, recognition period	2 years 6 months
Performance-Based Restricted Stock Units
Share-based compensation
Share conversion ratio (in percent)	1
Performance-Based Restricted Stock Units \| Minimum
Share-based compensation
Performance target (in percent)	0
Performance-Based Restricted Stock Units \| Maximum
Share-based compensation
Performance target (in percent)	1.50
Restricted Stock Awards (RSAs)
Share-based compensation
Compensation expense	$ 27,824	$ 16,168	$ 16,549
Shares outstanding (in shares) \| shares	505,162	888,305	2,289,446	2,639,663
Unrecognized compensation costs	$ 8,700
Unrecognized compensation cost, recognition period	1 year 9 months 18 days
Stock Options Outstanding
Share-based compensation
Unrecognized compensation cost, recognition period	1 year 1 month 6 days
Performance Shares [Member]
Share-based compensation
Shares outstanding (in shares) \| shares	0
Performance Shares [Member] \| Performance Shares [Member]
Share-based compensation
Shares outstanding (in shares) \| shares	309,432
Stock Incentive Plan 2019
Share-based compensation
Shares reserved for plan (in shares) \| shares	1,002,931
Omnibus Incentive Plan
Share-based compensation
Shares reserved for plan (in shares) \| shares	1,358,516