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Share Repurchase Program Share Repurchase Program (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Jul. 31, 2019
Related Party Transaction [Line Items]
Authorized amount			$ 25,000,000.0
Treasury stock acquired, shares	400,000	1,101,969
Payments for repurchase of equity	$ 7,800,000	$ 17,700,000
Average cost per share (in usd per share)	$ 19.39	$ 16.03
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 25,600,000

X

- Definition

The cash outflow to reacquire common and preferred stock.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 15
-Subparagraph (a)
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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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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Amount remaining of a stock repurchase plan authorized.

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- Definition

Total cost of shares repurchased divided by the total number of shares repurchased.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-Section 45
-Paragraph 1
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- Definition

Number of shares that have been repurchased during the period and are being held in treasury.

+ References

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