[Line Items] for Schedule of Shareholders' Equity [Table]

No definition available.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

The number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

+ References

No definition available.

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- Definition

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

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- Definition

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

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- Definition

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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-Publisher FASB
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Stockholders' Equity (Details) - USD ($)			1 Months Ended	3 Months Ended		118 Months Ended	161 Months Ended	177 Months Ended
Stockholders' Equity (Details) - USD ($)	Nov. 06, 2019	May 20, 2019	May 05, 2020	Mar. 31, 2020	Mar. 31, 2019	Mar. 31, 2020	Mar. 31, 2020	Mar. 31, 2020	Mar. 13, 2020	Mar. 05, 2019	May 16, 2018	May 19, 2015
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program, authorized amount									$ 20,000,000	$ 20,000,000	$ 15,000,000
Stock repurchased during period (in shares)				246,460	128,504			13,797,694
Aggregate price of shares repurchased since inception				$ 12,518,000	$ 5,071,000			$ 221,833,000
Average price of shares repurchased since inception (per share)				$ 50.79	$ 39.46			$ 16.08
Dividend Declared
Schedule of Shareholders' Equity [Line Items]
Cash dividends declared per common share (in dollars per share)	$ 0.16	$ 0.16
Open market
Schedule of Shareholders' Equity [Line Items]
Stock repurchase program amount authorized (in shares)												5,700,000
Stock repurchased during period (in shares)				103,689	5,799	4,205,255
Aggregate price of shares repurchased since inception				$ 4,987,000	$ 200,000	$ 74,793,000
Average price of shares repurchased since inception (per share)				$ 48.10	$ 34.46	$ 17.79
401(k)
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)				123,672	107,000			7,591,411
Aggregate price of shares repurchased since inception				$ 6,578,000	$ 4,283,000			$ 126,505,000
Average price of shares repurchased since inception (per share)				$ 53.19	$ 40.03			$ 16.66
401(k) \| Subsequent Event
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)			23,305
Aggregate price of shares repurchased since inception			$ 1,100,000
Directors and employees
Schedule of Shareholders' Equity [Line Items]
Stock repurchased during period (in shares)				19,099	15,705		2,001,028
Aggregate price of shares repurchased since inception				$ 953,000	$ 588,000		$ 20,535,000
Average price of shares repurchased since inception (per share)				$ 49.90	$ 37.44		$ 10.26