Borrowings and Notes Payable - Subordinated Loans (Details) - USD ($) $ in Millions	1 Months Ended
	Jun. 30, 2020	Jan. 31, 2018	Oct. 31, 2015
Subordinated loan maturing October 2025
Long-Term Obligations
Aggregate principal amount			$ 2.0
Interest rate			6.71%
Subordinated loan maturing April 2028
Long-Term Obligations
Aggregate principal amount		$ 4.5
Interest rate		6.875%
Subordinated Loan Maturing July 2030
Long-Term Obligations
Aggregate principal amount	$ 18.1
Interest rate	6.00%
Subordinated Loan Maturing July 2030 | 3-month SOFR
Long-Term Obligations
Basis spread on variable rate effective after July 1, 2025	5.90%