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Stockholders' Equity - Share Repurchase Program (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2018	Sep. 30, 2018	Dec. 31, 2018
Share Repurchase Program
Number of shares available for additional repurchase	562,707		562,707
Value of shares repurchased	$ 13,185	$ 7,844
Common stock
Share Repurchase Program
Number of shares repurchased			288,316
Common stock | Maximum
Share Repurchase Program
Number of repurchased shares authorized	1,000,000		1,000,000

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

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

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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