STOCKHOLDERS' EQUITY Cash Dividends (Details) $ / shares in Units, $ in Thousands	1 Months Ended			3 Months Ended
	Apr. 30, 2020 quarters $ / shares	Oct. 31, 2019 quarters $ / shares	Jan. 31, 2019 Quarter $ / shares	Mar. 31, 2020 USD ($) $ / shares	Dec. 31, 2019 $ / shares	Sep. 30, 2019 $ / shares	Jun. 30, 2019 $ / shares	Mar. 31, 2019 USD ($) $ / shares
Dividends Declared and Paid [Line Items]
Payments of dividends to stockholders | $				$ 5,644				$ 4,937
Common Stock, Dividends, Per Share, Cash Paid		$ 0.19	$ 0.17	$ 0.19				$ 0.17
Common Stock, Dividends, Number of Quarterly Distributions Declared		5	4
Additional Common Stock, Dividends, Per Share, Declared		$ 0.02
Common Stock, Dividends, Per Share, Declared					$ 0.19	$ 0.17	$ 0.17
Subsequent Event [Member]
Dividends Declared and Paid [Line Items]
Common Stock, Dividends, Number of Quarterly Distributions Declared | quarters	3
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Second Quarter	$ 0.21
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Third Quarter	0.21
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Fourth Quarter	$ 0.21