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SHARE BASED COMPENSATION - Narrative (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	May 06, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Exercise period		0 years	0 years	5 years 7 months 9 days
Options exercised intrinsic value		$ 398
Converted options from Revere acquisition (in shares)		395,298
2015 Omnibus Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares authorized (in shares)					1,500,000
Shares available for issuance (in shares)	914,502	914,502
Expiration period		10 years
2015 Omnibus Incentive Plan \| Revere acquisition
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Converted options from Revere acquisition (in shares)		395,298
Weighted average grant date fair value (in dollars per share)		$ 9.14
2015 Omnibus Incentive Plan \| Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage		100.00%
2015 Omnibus Incentive Plan \| Stock Options and Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Recognized compensation expense		$ 3,900	$ 2,900	$ 2,500
Options vested in period		100	200	100
2015 Omnibus Incentive Plan \| Stock Option
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options exercised intrinsic value		$ 400	$ 200	$ 400
Expected cost recognition weighted average period		3 months 18 days
2015 Omnibus Incentive Plan \| Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)		246,015
2015 Omnibus Incentive Plan \| Restricted Stock \| Common Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted (in shares)	0		0
2015 Omnibus Incentive Plan \| Restricted shares,Restricted stock units and Performance share units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Expected cost recognition weighted average period		2 years 7 months 6 days
Unrecognized compensation expense	$ 8,000	$ 8,000
2015 Omnibus Incentive Plan \| Performance Shares \| 3 Year Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)		44,905
2015 Omnibus Incentive Plan \| Time Based Shares \| 5 Year Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares issued (in shares)		201,110