Investments (Details 1) $ in Thousands	Mar. 31, 2021 USD ($)
Debt securities, held-to-maturity	$ 49,098
AAA /AA/A [Member]
Debt securities, held-to-maturity	36,601
BBB/BB [Member]
Debt securities, held-to-maturity	12,497
Assets Baked Bonds [Member]
Debt securities, held-to-maturity	245
Assets Baked Bonds [Member] | AAA /AA/A [Member]
Debt securities, held-to-maturity	245
Fed Govt. Bonds/Notes [Member]
Debt securities, held-to-maturity	3,159
Fed Govt. Bonds/Notes [Member] | AAA /AA/A [Member]
Debt securities, held-to-maturity	3,159
Fed Govt. Bonds/Notes [Member] | BBB/BB [Member]
Debt securities, held-to-maturity	0
Municipal Bonds [Member]
Debt securities, held-to-maturity	639
Municipal Bonds [Member] | AAA /AA/A [Member]
Debt securities, held-to-maturity	639
Municipal Bonds [Member] | BBB/BB [Member]
Debt securities, held-to-maturity	0
Corporate Bonds [Member]
Debt securities, held-to-maturity	45,055
Corporate Bonds [Member] | AAA /AA/A [Member]
Debt securities, held-to-maturity	32,558
Corporate Bonds [Member] | BBB/BB [Member]
Debt securities, held-to-maturity	12,497
Asset Backed Bonds [Member] | BBB/BB [Member]
Debt securities, held-to-maturity	$ 0