Other comprehensive income (loss) (Tables)

12 Months Ended

Dec. 31, 2020

Equity [Abstract]

Summary of Accumulated Other Comprehensive Income (Loss)

	Year Ended December 31, 2020
					Accumulated
	Securities		Fair Value		Other
	Available-for-		Municipal		Comprehensive
	Sale		Security Hedges		Income (Loss)
Beginning balance, December 31, 2019	$	391	$	(223)	$	168
Other comprehensive income (loss)		2,581		(562)		2,019
Reclassification of amounts included in net income		(4)		—		(4)
Net other comprehensive income (loss) during period		2,577		(562)		2,015
Ending balance, December 31, 2020	$	2,968	$	(785)	$	2,183
	Year Ended December 31, 2019
					Accumulated
	Securities		Fair Value		Other
	Available-for-		Municipal		Comprehensive
	Sale		Security Hedges		Income (Loss)
Beginning balance, December 31, 2018	$	(1,979)	$	(786)	$	(2,765)
Other comprehensive income (loss)		2,395		563		2,958
Reclassification of amounts included in net income		(25)		—		(25)
Net other comprehensive income (loss) during period		2,370		563		2,933
Ending balance, December 31, 2019	$	391	$	(223)	$	168