Stock Repurchase Program (Details) - USD ($) $ in Millions	Sep. 30, 2019	Aug. 05, 2019
Stock repurchases
Common stock repurchase authorized amount		$ 50.0
Treasury stock shares acquired (in shares)	586,387
Treasury stock value acquired	$ 6.2
Remaining available authorization	$ 43.8

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

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
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Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
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-Name Accounting Standards Codification
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Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	duration