SHAREHOLDERS' EQUITY - Deemed Stock Repurchase (Details) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stockholders' Equity Note [Abstract]
Shares of stock deemed repurchased (in shares)	459	506	169
Amount recorded as financing activity	$ 2,905	$ 5,186	$ 2,565