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Number of financing receivables that have been modified by troubled debt restructurings.

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Amount, after troubled debt restructuring, of modified financing receivable.

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Amount of financing receivable modified as troubled debt restructuring within previous 12 months, with subsequent payment default.

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Amount of financing receivable past due.

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Loans and Allowance for Credit Losses on Loans - TDR (Details)	3 Months Ended				9 Months Ended
	Sep. 30, 2020 USD ($) contract	Mar. 31, 2020 USD ($)	Sep. 30, 2019 USD ($) contract	Mar. 31, 2019 USD ($)	Sep. 30, 2020 USD ($) contract	Sep. 30, 2019 USD ($) contract	Dec. 31, 2019 USD ($)
Troubled debt restructurings - modified during the period
# of contracts \| contract	1		1		3	7
Pre-modification recorded investment	$ 154,000		$ 1,159,000		$ 410,000	$ 1,694,000
Post-modification recorded investment	153,000		$ 1,122,000		404,000	$ 1,546,000
TDR's defaulted
Pre-modification outstanding recorded investment during the period		$ 0		$ 0
Other information
Total Past Due	18,694,000				18,694,000
Home Affordable Modification Program [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract						1
Pre-modification recorded investment						$ 39,000
Post-modification recorded investment						$ 34,000
Residential Owner Occupied Loan [Member] \| Home Affordable Modification Program [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract						3
Pre-modification recorded investment						$ 399,000
Post-modification recorded investment						$ 297,000
Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract			1			2
Pre-modification recorded investment			$ 1,159,000			$ 1,217,000
Post-modification recorded investment			$ 1,122,000			$ 1,177,000
Real estate - commercial \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Other information
Total Past Due	$ 9,583,000				$ 9,583,000
Real estate - residential \| Residential Owner Occupied Loan [Member] \| Home Affordable Modification Program [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract	1				3
Pre-modification recorded investment	$ 154,000				$ 410,000
Post-modification recorded investment	153,000				404,000
Real estate - residential \| HELOC \| Residential Owner Occupied Loan [Member] \| Others [Member]
Troubled debt restructurings - modified during the period
# of contracts \| contract						1
Pre-modification recorded investment						$ 39,000
Post-modification recorded investment						$ 38,000
Commercial
Other information
Total Past Due	1,424,000				1,424,000		$ 4,299,000
90 Days or Greater Past Due
Other information
Total Past Due	12,577,000				12,577,000
90 Days or Greater Past Due \| Real estate - commercial \| Commercial Real Estate, Owner Occupied General Purpose Loan [Member]
Other information
Total Past Due	7,618,000				7,618,000
90 Days or Greater Past Due \| Commercial
Other information
Total Past Due	$ 1,368,000				$ 1,368,000		$ 2,103,000