COMMON STOCK REPURCHASES AND CASH DIVIDENDS (Cash Dividends) (Details)	1 Months Ended							3 Months Ended												12 Months Ended
	Jan. 31, 2022 dividend $ / shares	Oct. 31, 2021 item $ / shares	Jan. 31, 2021 item $ / shares	Jul. 31, 2020 item $ / shares	Apr. 30, 2020 USD ($) $ / shares	Oct. 31, 2019 item $ / shares	Jan. 31, 2019 item $ / shares	Dec. 31, 2021 $ / shares	Sep. 30, 2021 $ / shares	Jun. 30, 2021 $ / shares	Mar. 31, 2021 $ / shares	Dec. 31, 2020 $ / shares	Sep. 30, 2020 $ / shares	Jun. 30, 2020 $ / shares	Mar. 31, 2020 $ / shares	Dec. 31, 2019 $ / shares	Sep. 30, 2019 $ / shares	Jun. 30, 2019 $ / shares	Mar. 31, 2019 $ / shares	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)	Dec. 31, 2019 USD ($)
Dividends Payable [Line Items]
Common Stock, Dividends, Per Share, Declared								$ 0.15	$ 0.13	$ 0.13	$ 0.13	$ 0.110	$ 0.110	$ 0.105	$ 0.095	$ 0.095	$ 0.085	$ 0.085	$ 0.085
Payments of dividends to stockholders | $																				$ 32,599,000	$ 25,081,000	$ 20,506,000
Common Stock, Dividends, Number of Quarterly Distributions Declared		5	4	2	3	5	4
Common Stock, Dividends, Per Share, Declared, Two Fiscal Years Prior, Each Quarter							$ 0.085
Common Stock, Dividends, Per Share, Declared, Two Fiscal Years Prior, Fourth Quarter						$ 0.01
Common Stock, Dividends, Per Share, Declared, Prior Fiscal Year, Each Quarter						$ 0.095
Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Second Quarter					$ 0.105
Common Stock Dividends Per Share Declared Prior Fiscal Year Third Quarter				$ 0.11	0.105
Common Stock, Dividends Per Share Declared, Prior Fiscal Year, Fourth Quarter				$ 0.11	$ 0.105
Common Stock, Dividends, Increase Per Share, Declared, Current Fiscal Year, Each Quarter			$ 0.02
Common Stock, Dividends, Per Share, Declared, Current Fiscal Year, Each Quarter			$ 0.13
Common Stock, Dividends Per Share Declared, Current Fiscal Year, Fourth Quarter		$ 0.15
Common Stock, Dividends, Per Share, Declared, Next Fiscal Year, Each Quarter		$ 0.15
Subsequent Event
Dividends Payable [Line Items]
Common Stock, Dividends, Number of Quarterly Distributions Declared | dividend	4
Common Stock, Dividends, Increase Per Share, Declared, Next Fiscal Year, Each Quarter	$ 0.03
Common Stock, Dividends, Per Share, Declared, Next Fiscal Year, Each Quarter	$ 0.18