Variable Interest Entities VIE Carrying Amounts Included in Financial Statements (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Consolidated VIEs
Loans receivable	$ 10,088,206	$ 9,512,810
Accrued interest receivable	68,525	56,047
Other assets	92,118	81,371
Total assets	15,158,384	13,683,999
Other borrowed funds	32,499	28,820
Accrued interest payable	4,713	4,686
Other liabilities	178,175	164,954
Total liabilities	13,021,740	11,723,266
Consolidated VIEs
Consolidated VIEs
Loans receivable	90,183	84,390
Accrued interest receivable	91	63
Other assets	54,626	54,692
Total assets	144,900	139,145
Other borrowed funds	26,919	23,149
Accrued interest payable	56	36
Other liabilities	36	123
Total liabilities	$ 27,011	$ 23,308