Fair Value Measurements - Measurement of OREO (Details) - Nonrecurring - Level 3 - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
OREO not covered under loss-share agreements:
Carrying amount prior to remeasurement	$ 3,726	$ 5,258
Impairment recognized in results of operations	(906)	(939)
Fair value	$ 2,820	$ 4,319

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

No definition available.

Name:	us-gaap_OtherRealEstateNonCoveredRollForward
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration