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

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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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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Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

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stock repurchase authorization - authorization subsequent to financial statement date

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SUBSEQUENT EVENTS (Details Textual) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended	3 Months Ended
	Apr. 30, 2020	Mar. 31, 2020	Mar. 31, 2019	Dec. 31, 2016
Subsequent Event [Line Items]
Dividends declared per share (dollars per share)		$ 0.43	$ 0.72
Stock Repurchased During Period, Shares		272,059
Stock Repurchased During Period, Value		$ 4.9
Stock Repurchase Program, Authorized Amount		12.9		$ 10.0
Stock Repurchase Program, Remaining Authorized Repurchase Amount		8.1
stock repurchase authorization - subsequent event		$ 10.0
Subsequent Event [Member]
Subsequent Event [Line Items]
Stock Repurchased During Period, Shares	407,697
Stock Repurchased During Period, Value	$ 8.1