Fair Value of Assets and Liabilities - Not Measured at Fair Value (Details) - USD ($) $ in Thousands	Sep. 30, 2022	Dec. 31, 2021
Assets
Other assets	$ 5,437	$ 6,124
Loans held for sale	90,058	142,370
Total assets	643,371	730,709
Liabilities
Other liabilities	11,042	12,911
Total liabilities	109,371	308,081
Level 1 Inputs
Assets
Other assets	0	0
Loans held for sale	0	0
Total assets	0	0
Liabilities
Other liabilities	0	0
Total liabilities	0	0
Level 2 Inputs
Assets
Other assets	0	2,812
Loans held for sale	0	0
Total assets	345,865	236,295
Liabilities
Other liabilities	0	0
Total liabilities	0	0
Level 3 Inputs
Assets
Other assets	5,437	3,312
Loans held for sale	90,058	142,370
Total assets	297,506	494,414
Liabilities
Other liabilities	11,042	12,911
Total liabilities	109,371	308,081
Carrying Amount
Assets
Loans and leases held for investment, net	4,503,726	2,754,737
Other assets	28,638	18,274
Loans held for sale		248,878
Total assets	4,532,364	3,021,889
Liabilities
Deposits	242,126	68,405
Short-term borrowings	4,803	27,780
Advances from PPPLF	91,671	271,933
Other long-term debt	15,300	15,455
Other liabilities	63,758	51,655
Total liabilities	417,658	435,228
Balance at Fair Value
Assets
Loans and leases held for investment, net	4,786,152	2,964,691
Other assets	28,667	18,274
Loans held for sale		251,101
Total assets	4,814,819	3,234,066
Liabilities
Deposits	242,126	68,405
Short-term borrowings	4,803	27,780
Advances from PPPLF	91,671	271,933
Other long-term debt	15,300	15,455
Other liabilities	63,758	51,655
Total liabilities	417,658	435,228
Balance at Fair Value | Level 1 Inputs
Assets
Loans and leases held for investment, net	0	0
Other assets	0	0
Loans held for sale		0
Total assets	0	0
Liabilities
Deposits	0	0
Short-term borrowings	0	0
Advances from PPPLF	0	0
Other long-term debt	0	0
Other liabilities	0	0
Total liabilities	0	0
Balance at Fair Value | Level 2 Inputs
Assets
Loans and leases held for investment, net	0	0
Other assets	27,018	15,630
Loans held for sale		0
Total assets	27,018	15,630
Liabilities
Deposits	0	0
Short-term borrowings	4,803	17,595
Advances from PPPLF	0	0
Other long-term debt	0	0
Other liabilities	28,310	22,187
Total liabilities	33,113	39,782
Balance at Fair Value | Level 3 Inputs
Assets
Loans and leases held for investment, net	4,786,152	2,964,691
Other assets	1,649	2,644
Loans held for sale		251,101
Total assets	4,787,801	3,218,436
Liabilities
Deposits	242,126	68,405
Short-term borrowings	0	10,185
Advances from PPPLF	91,671	271,933
Other long-term debt	15,300	15,455
Other liabilities	35,448	29,468
Total liabilities	$ 384,545	$ 395,446