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Date the declared dividend will be paid, in CCYY-MM-DD format.

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Date the holder must own the stock to be entitled to the dividend, in CCYY-MM-DD format.

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The number of businesses acquired by the entity during the period.

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Recent Developments - Additional Information (Details) $ / shares in Units, $ in Millions			87 Months Ended
	Oct. 17, 2019 $ / shares	Sep. 05, 2019 USD ($) Business	Oct. 15, 2018 Acquisition	Sep. 30, 2019 USD ($) Branch
Recent Developments [Line Items]
Number of acquisitions \| Acquisition			5
PGB
Recent Developments [Line Items]
Business Acquisition, Date of agreement		Sep. 05, 2019
Cash paid		$ 32.5
PGB \| Illinois
Recent Developments [Line Items]
Business Combination, Identifiable assets acquired				$ 224.5
Number of acquisitions \| Business		1
Number of branches \| Branch				3
Subsequent Event
Recent Developments [Line Items]
Cash dividend announced date	Oct. 17, 2019
Cash dividends announced per share \| $ / shares	$ 0.10
Cash dividend payable date	Nov. 15, 2019
Cash dividend announced, record date	Oct. 31, 2019