SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Earnings Available to Common Stockholders (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended												12 Months Ended
	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	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, 2022	Dec. 31, 2021	Dec. 31, 2020
Accounting Policies [Abstract]
Net income (loss) available to common stockholders, basic	$ 16,294	$ 14,043	$ 15,753	$ 16,829	$ 15,791	$ 16,132	$ 15,600	$ 16,644	$ 15,334	$ 11,917	$ 16,943	$ 8,311	$ 62,919	$ 64,167	$ 52,505
Net income (loss) available to common stockholders, diluted	$ 16,294	$ 14,043	$ 15,753	$ 16,829	$ 15,791	$ 16,132	$ 15,600	$ 16,644	$ 15,334	$ 11,917	$ 16,943	$ 8,311	$ 62,919	$ 64,167	$ 52,505
Effect of dilutive shares:
Weighted average number of shares outstanding, basic earnings per share (in shares)													22,023,595	21,017,189,000	20,718,544,000
Restricted stock (in shares)													141,930	149,520,000	104,106,000
Weighted average number of shares outstanding, diluted earnings per share (in shares)													22,165,525	21,166,709,000	20,822,650,000
Basic earnings per share (in dollars per share)	$ 0.68	$ 0.61	$ 0.77	$ 0.81	$ 0.75	$ 0.77	$ 0.74	$ 0.79	$ 0.72	$ 0.56	$ 0.79	$ 0.44	$ 2.86	$ 3.05	$ 2.53
Diluted earnings per share (in dollars per share)	$ 0.67	$ 0.61	$ 0.76	$ 0.81	$ 0.75	$ 0.76	$ 0.74	$ 0.79	$ 0.72	$ 0.55	$ 0.79	$ 0.44	$ 2.84	$ 3.03	$ 2.52