Other real estate owned - Summary of Other Real Estate Owned (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Other Real Estate [Roll Forward]
Balance at beginning of period	$ 16,442	$ 7,403	$ 11,641
Transfers from loans	2,138	3,605	2,724
Transfers from premises and equipment	0	3,466	0
Acquired through merger or acquisition	0	6,888	0
Properties sold	(4,819)	(5,438)	(6,696)
Gain on sale of other real estate owned	271	1,080	1,670
Transferred to loans	(1,019)	(256)	(1,548)
Write-downs and partial liquidations	(370)	(306)	(388)
Balance at end of period	$ 12,643	$ 16,442	$ 7,403

Gain on sale of foreclosed real estate assets.

No definition available.

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- Definition

Real estate acquired through merger or acquisition.

+ References

No definition available.

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- Definition

Carrying amount as of the balance sheet date of all assets obtained in full or partial satisfaction of a debt arrangement through foreclosure proceedings or defeasance; includes real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 50
-Paragraph 11
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- Definition

Amount of expense recognized during the period for the foreclosure on real estate assets.

+ References

No definition available.

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- Definition

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

+ References

No definition available.

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- Definition

The cash inflow from the sale assets received in full or partial satisfaction of a receivable including real and personal property; equity interests in corporations, partnerships, and joint ventures; and beneficial interests in trusts. Foreclosed assets also include loans that are treated as if the underlying collateral had been foreclosed because the institution has taken possession of the collateral, even though legal foreclosure or repossession proceedings have not taken place.

+ References

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- Definition

Amount of increase (decrease) of physical assets used in the normal conduct of business and not intended for resale, from reclassification, impairment, donation, or changes classified as other. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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- Definition

Value transferred out of real estate owned (REO) in noncash transactions.

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- Definition

Value transferred from mortgage loans to real estate owned (REO) in noncash transactions.

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