Fair Value Measurements - Assets and Liabilities Recorded at Fair Value on a Nonrecurring Basis (Details) - Non Recurring - USD ($) $ in Thousands	Sep. 30, 2020	Dec. 31, 2019
Other real estate owned	$ 0	$ 1,487
Assets, Fair Value Disclosure	68,328	47,246
Commercial
Impaired loans	17,131	10,100
Income producing - commercial real estate
Impaired loans	29,256	11,948
Owner occupied - Commercial real estate
Impaired loans	14,215	6,934
Real estate mortgage residential
Impaired loans	5,335	4,981
Construction - commercial and residential
Impaired loans	2,274	11,409
Home equity
Impaired loans	109	387
Other consumer
Impaired loans	8
Fair Value, Inputs, Level 1
Other real estate owned	0	0
Assets, Fair Value Disclosure	0	0
Fair Value, Inputs, Level 1 | Commercial
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Income producing - commercial real estate
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Owner occupied - Commercial real estate
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Real estate mortgage residential
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Construction - commercial and residential
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Home equity
Impaired loans	0	0
Fair Value, Inputs, Level 1 | Other consumer
Impaired loans	0
Fair Value, Inputs, Level 2
Other real estate owned	0	0
Assets, Fair Value Disclosure	36,581	0
Fair Value, Inputs, Level 2 | Commercial
Impaired loans	824	0
Fair Value, Inputs, Level 2 | Income producing - commercial real estate
Impaired loans	22,220	0
Fair Value, Inputs, Level 2 | Owner occupied - Commercial real estate
Impaired loans	11,535	0
Fair Value, Inputs, Level 2 | Real estate mortgage residential
Impaired loans	1,893	0
Fair Value, Inputs, Level 2 | Construction - commercial and residential
Impaired loans	0	0
Fair Value, Inputs, Level 2 | Home equity
Impaired loans	109	0
Fair Value, Inputs, Level 2 | Other consumer
Impaired loans	0
Fair Value, Inputs, Level 3
Other real estate owned	0	1,487
Assets, Fair Value Disclosure	31,747	47,246
Fair Value, Inputs, Level 3 | Commercial
Impaired loans	16,307	10,100
Fair Value, Inputs, Level 3 | Income producing - commercial real estate
Impaired loans	7,036	11,948
Fair Value, Inputs, Level 3 | Owner occupied - Commercial real estate
Impaired loans	2,680	6,934
Fair Value, Inputs, Level 3 | Real estate mortgage residential
Impaired loans	3,442	4,981
Fair Value, Inputs, Level 3 | Construction - commercial and residential
Impaired loans	2,274	11,409
Fair Value, Inputs, Level 3 | Home equity
Impaired loans	0	$ 387
Fair Value, Inputs, Level 3 | Other consumer
Impaired loans	$ 8