Shareholders' Equity	9 Months Ended
Sep. 30, 2018
Federal Home Loan Banks [Abstract]
Shareholders' Equity	Note 13 – Shareholders’ Equity Dividends Paid The Bank paid to the Company cash dividends in the aggregate amounts of $13,507,000 and $5,185,000 during the three months ended September 30, 2018 and 2017, respectively, and $22,649,000 and $14,394,000 during the nine months ended September 30, 2018 and 2017, respectively. The Bank is regulated by the Federal Deposit Insurance Corporation (FDIC) and the State of California Department of Business Oversight (DBO). Absent approval from the Commissioner of the DBO, California banking laws generally limit the Bank’s ability to pay dividends to the lesser of (1) retained earnings or (2) net income for the last three fiscal years, less cash distributions paid during such period. Under this law, at December 31, 2017, the Bank could have paid dividends of $85,254,000 to the Company without the approval of the Commissioner of the DBO. Stock Repurchase Plan On August 21, 2007, the Board of Directors adopted a plan to repurchase, as conditions warrant, up to 500,000 shares of the Company’s common stock on the open market. The timing of purchases and the exact number of shares to be purchased will depend on market conditions. The 500,000 shares authorized for repurchase under this stock repurchase plan represented approximately 3.2% of the Company’s 15,814,662 outstanding common shares as of August 21, 2007. This stock repurchase plan has no expiration date. As of September 30, 2018, the Company had repurchased 166,600 shares under this plan. Stock Repurchased Under Equity Compensation Plans During the three months ended September 30, 2018 and 2017, employees tendered 11,630 and 21,738 shares, respectively, of the Company’s common stock with market value of $453,000, and $762,000, respectively, in lieu of cash to exercise options to purchase shares of the Company’s stock and to pay income taxes related to equity compensation plan instruments as permitted by the Company’s shareholder-approved equity compensation plans. The tendered shares were retired. The market value of tendered shares is the last market trade price at closing on the day an option is exercised. Stock repurchased under equity incentive plans are not included in the total of stock repurchased under the stock repurchase plan announced on August 21, 2007. During the nine months ended September 30, 2018 and 2017 employees tendered 28,850 and 107,390 shares, respectively, of the Company’s common stock with market value of $1,124,000 and $3,854,000, respectively, in lieu of cash to exercise options to purchase shares of the Company’s stock and to satisfy tax withholding requirements related to such exercises and the release of restricted stock units (RSUs) as permitted by the Company’s shareholder-approved equity compensation plans. The tendered shares were retired. The market value of tendered shares is the last market trade price at closing on the day an option is exercised. Stock repurchased under equity incentive plans are not included in the total of stock repurchased under the stock repurchase plan announced on August 21, 2007.

Note 13 – Shareholders’ Equity

Dividends Paid

The Bank paid to the Company cash dividends in the aggregate amounts of $13,507,000 and $5,185,000 during the three months ended September 30, 2018 and 2017, respectively, and $22,649,000 and $14,394,000 during the nine months ended September 30, 2018 and 2017, respectively. The Bank is regulated by the Federal Deposit Insurance Corporation (FDIC) and the State of California Department of Business Oversight (DBO). Absent approval from the Commissioner of the DBO, California banking laws generally limit the Bank’s ability to pay dividends to the lesser of (1) retained earnings or (2) net income for the last three fiscal years, less cash distributions paid during such period. Under this law, at December 31, 2017, the Bank could have paid dividends of $85,254,000 to the Company without the approval of the Commissioner of the DBO.

Stock Repurchase Plan

On August 21, 2007, the Board of Directors adopted a plan to repurchase, as conditions warrant, up to 500,000 shares of the Company’s common stock on the open market. The timing of purchases and the exact number of shares to be purchased will depend on market conditions. The 500,000 shares authorized for repurchase under this stock repurchase plan represented approximately 3.2% of the Company’s 15,814,662 outstanding common shares as of August 21, 2007. This stock repurchase plan has no expiration date. As of September 30, 2018, the Company had repurchased 166,600 shares under this plan.

Stock Repurchased Under Equity Compensation Plans

During the three months ended September 30, 2018 and 2017, employees tendered 11,630 and 21,738 shares, respectively, of the Company’s common stock with market value of $453,000, and $762,000, respectively, in lieu of cash to exercise options to purchase shares of the Company’s stock and to pay income taxes related to equity compensation plan instruments as permitted by the Company’s shareholder-approved equity compensation plans. The tendered shares were retired. The market value of tendered shares is the last market trade price at closing on the day an option is exercised. Stock repurchased under equity incentive plans are not included in the total of stock repurchased under the stock repurchase plan announced on August 21, 2007.

During the nine months ended September 30, 2018 and 2017 employees tendered 28,850 and 107,390 shares, respectively, of the Company’s common stock with market value of $1,124,000 and $3,854,000, respectively, in lieu of cash to exercise options to purchase shares of the Company’s stock and to satisfy tax withholding requirements related to such exercises and the release of restricted stock units (RSUs) as permitted by the Company’s shareholder-approved equity compensation plans. The tendered shares were retired. The market value of tendered shares is the last market trade price at closing on the day an option is exercised. Stock repurchased under equity incentive plans are not included in the total of stock repurchased under the stock repurchase plan announced on August 21, 2007.