Note 4 - Securities (Tables)
|
6 Months Ended |
Jun. 30, 2017 |
Notes Tables |
|
Unrealized Gain (Loss) on Investments [Table Text Block] |
| | Amortized Cost | | Gross Unrealized Gain | | Gross Unrealized Loss
| | Market Value | June 30, 2017 | | (In Thousands) | Securities Available for Sale | | | | | | | | | | | | | | | | | U.S. Treasury and government sponsored agencies | | $ | 56,778 | | | $ | 419 | | | $ | (72 | ) | | $ | 57,125 | | Mortgage-backed securities | | | 241,613 | | | | 1,267 | | | | (1,609 | ) | | | 241,271 | | State and municipal securities | | | 139,273 | | | | 1,298 | | | | (159 | ) | | | 140,412 | | Total | | | 437,664 | | | | 2,984 | | | | (1,840 | ) | | | 438,808 | | Securities Held to Maturity | | | | | | | | | | | | | | | | | Mortgage-backed securities | | | 27,858 | | | | 303 | | | | (224 | ) | | | 27,937 | | State and municipal securities | | | 5,890 | | | | 306 | | | | - | | | | 6,196 | | Corporate debt | | | 45,509 | | | | 890 | | | | - | | | | 46,399 | | Total | | $ | 79,257 | | | $ | 1,499 | | | $ | (224 | ) | | $ | 80,532 | | | | | | | | | | | | | | | | | | | December 31, 2016 | | | | | | | | | | | | | | | | | Securities Available for Sale | | | | | | | | | | | | | | | | | U.S. Treasury and government sponsored agencies | | $ | 45,998 | | | $ | 382 | | | $ | (126 | ) | | $ | 46,254 | | Mortgage-backed securities | | | 228,843 | | | | 1,515 | | | | (3,168 | ) | | | 227,190 | | State and municipal securities | | | 139,504 | | | | 1,120 | | | | (694 | ) | | | 139,930 | | Corporate debt | | | 8,985 | | | | 16 | | | | - | | | | 9,001 | | Total | | | 423,330 | | | | 3,033 | | | | (3,988 | ) | | | 422,375 | | Securities Held to Maturity | | | | | | | | | | | | | | | | | Mortgage-backed securities | | | 19,164 | | | | 321 | | | | (245 | ) | | | 19,240 | | State and municipal securities | | | 5,888 | | | | 315 | | | | (12 | ) | | | 6,191 | | Corporate debt | | | 37,512 | | | | 374 | | | | (15 | ) | | | 37,871 | | Total | | $ | 62,564 | | | $ | 1,010 | | | $ | (272 | ) | | $ | 63,302 | |
|
Fair Value, Assets Measured on Recurring Basis [Table Text Block] |
| | June 30, 2017 | | December 31, 2016 | | | Amortized Cost | | Fair Value | | Amortized Cost | | Fair Value | | | (In thousands) | Debt securities available for sale | | | | | | | | | | | | | | | | | Due within one year | | $ | 11,487 | | | $ | 11,516 | | | $ | 28,270 | | | $ | 28,400 | | Due from one to five years | | | 155,256 | | | | 156,552 | | | | 152,347 | | | | 153,003 | | Due from five to ten years | | | 28,918 | | | | 29,082 | | | | 13,870 | | | | 13,782 | | Due after ten years | | | 390 | | | | 387 | | | | - | | | | - | | Mortgage-backed securities | | | 241,613 | | | | 241,271 | | | | 228,843 | | | | 227,190 | | | | $ | 437,664 | | | $ | 438,808 | | | $ | 423,330 | | | $ | 422,375 | | | | | | | | | | | | | | | | | | | Debt securities held to maturity | | | | | | | | | | | | | | | | | Due from one to five years | | $ | 3,250 | | | $ | 3,266 | | | $ | 250 | | | $ | 250 | | Due from five to ten years | | | 34,246 | | | | 35,005 | | | | 34,251 | | | | 34,617 | | Due after ten years | | | 13,903 | | | | 14,324 | | | | 8,899 | | | | 9,195 | | Mortgage-backed securities | | | 27,858 | | | | 27,937 | | | | 19,164 | | | | 19,240 | | | | $ | 79,257 | | | $ | 80,532 | | | $ | 62,564 | | | $ | 63,302 | |
|
Gain (Loss) on Investments [Table Text Block] |
| | Less Than Twelve Months | | Twelve Months or More | | Total | | | Gross Unrealized Losses | | Fair Value | | Gross Unrealized Losses
| | Fair Value | | Gross Unrealized Losses | | Fair Value | | | (In Thousands) | June 30, 2017 | | | | | | | | | | | | | | | | | | | | | | | | | U.S. Treasury and government sponsored agencies | | $ | (72 | ) | | $ | 4,859 | | | $ | - | | | $ | - | | | $ | (72 | ) | | $ | 4,859 | | Mortgage-backed securities | | | (1,813 | ) | | | 144,440 | | | | (20 | ) | | | 1,021 | | | | (1,833 | ) | | | 145,461 | | State and municipal securities | | | (143 | ) | | | 32,820 | | | | (16 | ) | | | 1,582 | | | | (159 | ) | | | 34,402 | | Total | | $ | (2,028 | ) | | $ | 182,119 | | | $ | (36 | ) | | $ | 2,603 | | | $ | (2,064 | ) | | $ | 184,722 | | | | | | | | | | | | | | | | | | | | | | | | | | | December 31, 2016 | | | | | | | | | | | | | | | | | | | | | | | | | U.S. Treasury and government sponsored agencies | | $ | (126 | ) | | $ | 10,865 | | | $ | - | | | $ | - | | | $ | (126 | ) | | $ | 10,865 | | Mortgage-backed securities | | | (3,413 | ) | | | 174,225 | | | | - | | | | - | | | | (3,413 | ) | | | 174,225 | | State and municipal securities | | | (698 | ) | | | 64,502 | | | | (8 | ) | | | 1,021 | | | | (706 | ) | | | 65,523 | | Corporate debt | | | (15 | ) | | | 3,034 | | | | - | | | | - | | | | (15 | ) | | | 3,034 | | Total | | $ | (4,252 | ) | | $ | 252,626 | | | $ | (8 | ) | | $ | 1,021 | | | $ | (4,260 | ) | | $ | 253,647 | |
|