Subordinated Debt Securities	3 Months Ended
Mar. 31, 2019
Subordinated Debt Securities [Abstract]
Subordinated Debt Securities	11. Subordinated Debt Securities On June 21, 2005, we entered into a trust preferred securities transaction pursuant to which we issued $30.9 million aggregate principal amount of subordinated debt securities due in 2035. To effect the transaction, we formed Trust I as a Delaware statutory trust. Trust I issued $30.0 million of preferred securities to investors and $0.9 million of common securities to us. Trust I used the proceeds from these issuances to purchase the subordinated debt securities. The interest rate on our Trust I subordinated debt securities was 7.725% until June 15, 2015, after which interest adjusts quarterly to the three-month LIBOR rate plus 3.25 percentage points. Trust I pays dividends on its preferred securities at the same rate. Under the terms of our Trust I subordinated debt securities, we pay interest only each quarter and the principal of the note at maturity. The subordinated debt securities are uncollaterized and do not require maintenance of minimum financial covenants. As of March 31, 2019, the principal balance of our Trust I subordinated debt was $30.9 million and the interest rate was 5.86% per annum. On August 23, 2007, we entered into a trust preferred securities transaction pursuant to which we issued $25.8 million aggregate principal amount of subordinated debt securities due in 2037. To effect the transaction, we formed Trust II as a Delaware statutory trust. Trust II issued $25.0 million of preferred securities to investors and $0.8 million of common securities to us. Trust II used the proceeds from these issuances to purchase the subordinated debt securities. The interest rate on our Trust II subordinated debt securities was 8.28% until September 15, 2017, after which interest adjusts quarterly to the three-month LIBOR rate plus 2.90 percentage points. Trust II pays dividends on its preferred securities at the same rate. Under the terms of our Trust II subordinated debt securities, we pay interest only each quarter and the principal of the note at maturity. The subordinated debt securities are uncollaterized and do not require maintenance of minimum financial covenants. As of March 31, 2019, the principal balance of our Trust II subordinated debt was $25.8 million and the interest rate was 5.51% per annum.

11. Subordinated Debt Securities

On June 21, 2005, we entered into a trust preferred securities transaction pursuant to which we issued $30.9 million aggregate principal amount of subordinated debt securities due in 2035. To effect the transaction, we formed Trust I as a Delaware statutory trust. Trust I issued $30.0 million of preferred securities to investors and $0.9 million of common securities to us. Trust I used the proceeds from these issuances to purchase the subordinated debt securities. The interest rate on our Trust I subordinated debt securities was 7.725% until June 15, 2015, after which interest adjusts quarterly to the three-month LIBOR rate plus 3.25 percentage points. Trust I pays dividends on its preferred securities at the same rate. Under the terms of our Trust I subordinated debt securities, we pay interest only each quarter and the principal of the note at maturity. The subordinated debt securities are uncollaterized and do not require maintenance of minimum financial covenants. As of March 31, 2019, the principal balance of our Trust I subordinated debt was $30.9 million and the interest rate was 5.86% per annum.

On August 23, 2007, we entered into a trust preferred securities transaction pursuant to which we issued $25.8 million aggregate principal amount of subordinated debt securities due in 2037. To effect the transaction, we formed Trust II as a Delaware statutory trust. Trust II issued $25.0 million of preferred securities to investors and $0.8 million of common securities to us. Trust II used the proceeds from these issuances to purchase the subordinated debt securities. The interest rate on our Trust II subordinated debt securities was 8.28% until September 15, 2017, after which interest adjusts quarterly to the three-month LIBOR rate plus 2.90 percentage points. Trust II pays dividends on its preferred securities at the same rate. Under the terms of our Trust II subordinated debt securities, we pay interest only each quarter and the principal of the note at maturity. The subordinated debt securities are uncollaterized and do not require maintenance of minimum financial covenants. As of March 31, 2019, the principal balance of our Trust II subordinated debt was $25.8 million and the interest rate was 5.51% per annum.