Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Revenue, Performance Obligation [Abstract]
Fee revenues, in-scope of FASB ASC 606	$ 29,997	$ 25,709
Other income (out-of-scope of FASB ASC 606)	433	466
Total fee revenue and other income	30,430	26,175
Processing fees
Revenue, Performance Obligation [Abstract]
Fee revenues, in-scope of FASB ASC 606	19,036	18,375
Financial fees
Revenue, Performance Obligation [Abstract]
Fee revenues, in-scope of FASB ASC 606	10,532	6,997
Information services payment and processing revenue
Revenue, Performance Obligation [Abstract]
Fee revenues, in-scope of FASB ASC 606	29,568	25,372
Bank service fees
Revenue, Performance Obligation [Abstract]
Fee revenues, in-scope of FASB ASC 606	$ 429	$ 337