Loans Receivable, Including Loans Held For Sale - Loans Receivable (Details) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Receivable [Line Items]
Financing receivable, including loans held for sale, gross, total	$ 1,151,445	$ 982,008
Financing receivable, ratio to total, including loans held for sale (as a percent)	100.00%	100.00%
Financing receivable, gross, current	$ 655,873	$ 558,760
Financing receivable, gross, non-current	495,572	423,248
Allowance for loan losses, total	(36,693)	(29,690)	$ (13,816)	$ (13,925)
Allowance for loan losses, current	(36,693)	(29,690)
Allowance for loan losses, non-current	0	0
Total loans receivable, net	1,114,752	952,318
Loans receivable, net, current	619,180	529,070
Loans receivable, net, noncurrent	495,572	423,248
Loans receivable, including loans held for sale, current	1,314,173	1,131,745
Loans receivable, including loans held for sale, non-current	495,572	423,248
Estimate of Fair Value Measurement
Receivable [Line Items]
Total loans receivable, net	1,808,971	1,548,035
Loans held for sale
Receivable [Line Items]
Financing receivable, including loans held for sale, gross, total	694,993	602,675
Financing receivable, gross, current	694,993	602,675
Financing receivable, gross, non-current	0	0
Commercial real estate loans
Receivable [Line Items]
Financing receivable, including loans held for sale, gross, total	$ 1,270	$ 987
Financing receivable, ratio to total, including loans held for sale (as a percent)	0.00%	0.00%
Financing receivable, gross, current	$ 0	$ 0
Financing receivable, gross, non-current	1,270	987
Commercial and industrial
Receivable [Line Items]
Financing receivable, including loans held for sale, gross, total	$ 1,020,600	$ 857,817
Financing receivable, ratio to total, including loans held for sale (as a percent)	89.00%	87.00%
Financing receivable, gross, current	$ 544,523	$ 472,934
Financing receivable, gross, non-current	476,077	384,883
Consumer loans
Receivable [Line Items]
Financing receivable, including loans held for sale, gross, total	$ 129,575	$ 123,204
Financing receivable, ratio to total, including loans held for sale (as a percent)	11.00%	13.00%
Financing receivable, gross, current	$ 111,350	$ 85,826
Financing receivable, gross, non-current	18,225	37,378
Allowance for loan losses, total	$ (15,024)	$ (11,169)	$ (4,470)	$ (4,697)