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Allowance for Loan Losses - Allowance For Loan Losses (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016 | Sep. 30, 2017 | Sep. 30, 2016
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | $ 20,061 | $ 18,385 | $ 19,697 | $ 18,153 |  |
Charge-Offs | (1,203) | (22) | (1,689) | (891) |  |
Recoveries | 106 | 464 | 256 | 662 |  |
Provision (benefit) | 2,500 | 652 | 3,200 | 1,555 |  |
Balance, end of period | 20,061 | 18,385 | 19,697 | 18,153 | $ 21,464 | $ 19,479
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 1,514 | 535
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 19,950 | 18,944
Commercial |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 5,822 | 5,867 | 5,535 | 5,906 |  |
Charge-Offs | (1,118) | 0 | (1,582) | (868) |  |
Recoveries | 102 | 450 | 246 | 643 |  |
Provision (benefit) | 2,210 | (278) | 2,817 | 358 |  |
Balance, end of period | 5,822 | 5,867 | 5,535 | 5,906 | 7,016 | 6,039
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 1,514 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 5,502 | 6,039
Real estate construction one-to-four family |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 521 | 892 | 550 | 854 |  |
Charge-Offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision (benefit) | 79 | 306 | 50 | 344 |  |
Balance, end of period | 521 | 892 | 550 | 854 | 600 | 1,198
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 535
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 600 | 663
Real estate construction other |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 1,517 | 1,097 | 1,465 | 1,439 |  |
Charge-Offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision (benefit) | 261 | 312 | 313 | (30) |  |
Balance, end of period | 1,517 | 1,097 | 1,465 | 1,439 | 1,778 | 1,409
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 1,778 | 1,409
Real estate term owner occupied |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 2,354 | 2,285 | 2,358 | 1,657 |  |
Charge-Offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision (benefit) | (10) | 314 | (14) | 942 |  |
Balance, end of period | 2,354 | 2,285 | 2,358 | 1,657 | 2,344 | 2,599
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 2,344 | 2,599
Real estate term non-owner occupied |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 7,075 | 5,298 | 6,853 | 5,515 |  |
Charge-Offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision (benefit) | (60) | 103 | 162 | (114) |  |
Balance, end of period | 7,075 | 5,298 | 6,853 | 5,515 | 7,015 | 5,401
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 7,015 | 5,401
Real estate term other |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 774 | 670 | 819 | 628 |  |
Charge-Offs | 0 | 0 | (5) | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision (benefit) | 10 | 73 | (30) | 115 |  |
Balance, end of period | 774 | 670 | 819 | 628 | 784 | 743
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 784 | 743
Consumer secured by 1st deeds of trust |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 327 | 346 | 313 | 264 |  |
Charge-Offs | (85) | (22) | (85) | (22) |  |
Recoveries | 0 | 0 | 2 | 0 |  |
Provision (benefit) | 93 | 2 | 105 | 84 |  |
Balance, end of period | 327 | 346 | 313 | 264 | 335 | 326
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 335 | 326
Consumer other |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 362 | 420 | 408 | 397 |  |
Charge-Offs | 0 | 0 | (17) | (1) |  |
Recoveries | 4 | 14 | 8 | 19 |  |
Provision (benefit) | (2) | (28) | (35) | (9) |  |
Balance, end of period | 362 | 420 | 408 | 397 | 364 | 406
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | 364 | 406
Unallocated |  |  |  |  |  |
Allowance for Doubtful Accounts Receivable [Roll Forward] |  |  |  |  |  |
Balance, beginning of period | 1,309 | 1,510 | 1,396 | 1,493 |  |
Charge-Offs | 0 | 0 | 0 | 0 |  |
Recoveries | 0 | 0 | 0 | 0 |  |
Provision (benefit) | (81) | (152) | (168) | (135) |  |
Balance, end of period | $ 1,309 | $ 1,510 | $ 1,396 | $ 1,493 | 1,228 | 1,358
Balance, end of period: Individually evaluated for impairment |  |  |  |  | 0 | 0
Balance, end of period: collectively evaluated for impairment |  |  |  |  | $ 1,228 | $ 1,358

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- Definition A valuation allowance for financing receivables that are expected to be uncollectible. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(1) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition The valuation allowance for financing receivables that are expected to be uncollectible that were collectively evaluated for impairment. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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