EQUITY (Details) - USD ($)	3 Months Ended									12 Months Ended
	Mar. 31, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Sep. 30, 2020	Jun. 30, 2020	Mar. 31, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Preferred Stock, Shares Authorized		50,000,000								50,000,000
Preferred Stock, Par or Stated Value Per Share		$ 0.01								$ 0.01
Common stock authorized and available for issuance		196,400,000								196,400,000
Stock Repurchase Program, Authorized Amount		$ 20,000,000								$ 20,000,000
At-the-Market Equity Program, Aggregate Offering Price Limit										250,000,000
At the Market Equity Program Shares Issued										281,124	$ 179,514
At-the-Market Equity Program, Gross Proceeds										21,400,000	13,600,000
At-the-Market Equity Program, Proceeds Net of Issuance Costs										21,100,000	$ 13,500,000
At-the-Market Equity Program, Equity Available for Issuance										$ 215,000,000
Dividends declared per share of stock		$ 0.58	$ 0.58	$ 0.58	$ 0.58	$ 0.54	$ 0.54	$ 0.54	$ 0.54	$ 2.32	$ 2.16	$ 2.00
Common Stock, Dividends, Declared, Annualized Basis										$ 2.32	$ 2.16	$ 2.00
Dividend Declared [Member]
Common Stock, Dividends, Per Share, Declared	$ 0.62
Common Stock, Dividends, Declared, Annualized Basis	$ 2.48