Fair Value Measurements (Details Textual) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Minimum
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Short Term Borrowings Maturity Period			30 days
Financial Services:
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Ending Balance	$ 173,567		$ 173,567		$ 197,021
Gain (Loss) on Sale of Mortgage Loans	20,800	$ 12,600	37,500	$ 24,300
Fair Value, Inputs, Level 2 | Under Commitment to Sell
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Ending Balance	84,000		84,000		136,800
Fair Value, Inputs, Level 2 | Not Under Commitment to Sell
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Loans Receivable Held-for-sale, Net, Not Part of Disposal Group, Ending Balance	$ 89,600		$ 89,600		$ 60,200