STOCK REPURCHASE PROGRAMS - Narrative (Details) - USD ($)	1 Months Ended		12 Months Ended
	May 31, 2018	Jan. 31, 2018	Dec. 31, 2019	Oct. 31, 2018
2018 Stock Repurchase Plan
Share Repurchase Program [Line Items]
Stock repurchase program, authorized amount	$ 50,000,000.0	$ 50,000,000.0		$ 50,000,000.0
Stock repurchase program, period	24 months	24 months
Remaining authorized repurchase amount	$ 8,500,000			$ 3,600,000
Shares repurchased (in shares)			1,984,095
Average price per repurchased share (in dollars per share)			$ 54.21
Shares repurchased amount			$ 107,600,000
2019 Stock Repurchase Plan
Share Repurchase Program [Line Items]
Stock repurchase program, authorized amount			$ 3,800,000
Shares repurchased (in shares)			102,932
Average price per repurchased share (in dollars per share)			$ 37.06