Loan interest income (Tables)

12 Months Ended

Dec. 31, 2022

Other Income and Expenses [Abstract]

Summary of interest and other income

	Year ended
	December 31, 2022	December 31, 2021	December 31, 2020
Contractual interest earned	243,115	214,539	224,474
Amortization
Amortization of fair value hedge	(259)	(281)	(300)
Amortization of loan origination fees (net of amortized costs)	6,026	6,847	5,436
Amortization of fair value adjustment on purchased loans	508	439	1,046
Total loan interest income	249,390	221,544	230,656
Balance of unamortized fair value hedge included in loans as at year end	836	1,095	1,376
Balance of unamortized loan fees included in loans as at year end	11,878	11,926	12,204