The cumulative amount of the reporting entity's undistributed earnings or deficit.

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Name:	us-gaap_RetainedEarningsAccumulatedDeficit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

RECENT ACCOUNTING PRONOUNCEMENTS - ASU (Details) - USD ($) $ in Thousands	Sep. 30, 2020	Jan. 01, 2020	Dec. 31, 2019
RECENT ACCOUNTING PRONOUNCEMENTS
Retained earnings	$ 167,899		$ 150,703
ASU 2016-13 \| Effect of adoption
RECENT ACCOUNTING PRONOUNCEMENTS
Retained earnings	$ 1,500	$ 0
Allowance for credit losses on off-balance sheet credit		$ 500