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Allowance for Loan and Lease Losses and Unfunded Commitments and Letters of Credit (Allowance for Loan and Lease Losses) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jun. 30, 2017 | Jun. 30, 2018 | Jun. 30, 2017
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | $ 79,827 | $ 71,021 | $ 75,646 | $ 70,043
Charged-offs | (7,242) | (6,018) | (11,549) | (9,833)
Recoveries | 3,590 | 4,804 | 6,226 | 6,822
Provision for loan and lease losses | 3,975 | 3,177 | 9,827 | 5,952
Ending balance | 80,150 | 72,984 | 80,150 | 72,984
Specific Reserve | 256 | 3,499 | 256 | 3,499
General Allocation | 79,894 | 69,485 | 79,894 | 69,485
Secured Loans [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 37,331 | 35,672 | 29,341 | 36,050
Charged-offs | (5,751) | (3,600) | (8,165) | (4,709)
Recoveries | 1,487 | 2,903 | 2,040 | 3,200
Provision for loan and lease losses | 7,283 | 4,564 | 17,134 | 4,998
Ending balance | 40,350 | 39,539 | 40,350 | 39,539
Specific Reserve | 67 | 3,425 | 67 | 3,425
General Allocation | 40,283 | 36,114 | 40,283 | 36,114
Unsecured Loans [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 2,595 | 1,188 | 2,000 | 960
Charged-offs | (24) | 0 | (87) | (18)
Recoveries | 56 | 41 | 305 | 109
Provision for loan and lease losses | (184) | (82) | 225 | 96
Ending balance | 2,443 | 1,147 | 2,443 | 1,147
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 2,443 | 1,147 | 2,443 | 1,147
One-to-Four Family Residential [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 558 | 645 | 701 | 599
Charged-offs | 0 | (153) | 0 | (460)
Recoveries | 196 | 223 | 368 | 340
Provision for loan and lease losses | (293) | (87) | (608) | 149
Ending balance | 461 | 628 | 461 | 628
Specific Reserve | 8 | 4 | 8 | 4
General Allocation | 453 | 624 | 453 | 624
Commercial Land [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 3,745 | 2,288 | 4,265 | 1,797
Charged-offs | 0 | 0 | 0 | 0
Recoveries | 78 | 0 | 84 | 0
Provision for loan and lease losses | (545) | 68 | (1,071) | 559
Ending balance | 3,278 | 2,356 | 3,278 | 2,356
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 3,278 | 2,356 | 3,278 | 2,356
Income Property Multifamily [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 4,702 | 6,803 | 5,672 | 7,342
Charged-offs | 0 | 0 | (223) | 0
Recoveries | 558 | 60 | 699 | 95
Provision for loan and lease losses | (1,158) | (9) | (2,046) | (583)
Ending balance | 4,102 | 6,854 | 4,102 | 6,854
Specific Reserve | 0 | 25 | 0 | 25
General Allocation | 4,102 | 6,829 | 4,102 | 6,829
Owner Occupied [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 4,749 | 6,534 | 5,459 | 6,439
Charged-offs | 0 | 0 | 0 | 0
Recoveries | 4 | 67 | 16 | 110
Provision for loan and lease losses | (397) | (89) | (1,119) | (37)
Ending balance | 4,356 | 6,512 | 4,356 | 6,512
Specific Reserve | 86 | 0 | 86 | 0
General Allocation | 4,270 | 6,512 | 4,270 | 6,512
Land And Acquisition [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 912 | 509 | 963 | 316
Charged-offs | 0 | 0 | 0 | (14)
Recoveries | 12 | 27 | 28 | 47
Provision for loan and lease losses | (76) | (175) | (143) | 12
Ending balance | 848 | 361 | 848 | 361
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 848 | 361 | 848 | 361
Residential Construction [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 4,636 | 1,109 | 3,709 | 669
Charged-offs | 0 | 0 | 0 | 0
Recoveries | 2 | 31 | 5 | 40
Provision for loan and lease losses | (66) | 237 | 858 | 668
Ending balance | 4,572 | 1,377 | 4,572 | 1,377
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 4,572 | 1,377 | 4,572 | 1,377
Income Property Multifamily Construction [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 7,474 | 782 | 7,053 | 404
Charged-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision for loan and lease losses | (107) | 203 | 314 | 581
Ending balance | 7,367 | 985 | 7,367 | 985
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 7,367 | 985 | 7,367 | 985
Owner Occupied Construction [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 1,923 | 1,768 | 4,413 | 1,192
Charged-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision for loan and lease losses | 376 | (386) | (2,114) | 190
Ending balance | 2,299 | 1,382 | 2,299 | 1,382
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 2,299 | 1,382 | 2,299 | 1,382
Consumer Portfolio Segment [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 5,216 | 3,360 | 5,163 | 3,534
Charged-offs | (232) | (465) | (496) | (893)
Recoveries | 270 | 248 | 530 | 533
Provision for loan and lease losses | 38 | 408 | 95 | 377
Ending balance | 5,292 | 3,551 | 5,292 | 3,551
Specific Reserve | 95 | 45 | 95 | 45
General Allocation | 5,197 | 3,506 | 5,197 | 3,506
Purchased Credit Impaired Loans [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 5,665 | 9,395 | 6,907 | 10,515
Charged-offs | (1,235) | (1,800) | (2,578) | (3,739)
Recoveries | 927 | 1,204 | 2,151 | 2,348
Provision for loan and lease losses | (575) | (738) | (1,698) | (1,063)
Ending balance | 4,782 | 8,061 | 4,782 | 8,061
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | 4,782 | 8,061 | 4,782 | 8,061
Unallocated Financing Receivables [Member] |  |  |  |
Allowance for Loan and Lease Losses [Roll Forward] |  |  |  |
Beginning balance | 321 | 968 | 0 | 226
Charged-offs | 0 | 0 | 0 | 0
Recoveries | 0 | 0 | 0 | 0
Provision for loan and lease losses | (321) | (737) | 0 | 5
Ending balance | 0 | 231 | 0 | 231
Specific Reserve | 0 | 0 | 0 | 0
General Allocation | $ 0 | $ 231 | $ 0 | $ 231

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- Definition Amount of recovery of loans and lease receivables which had previously been fully or partially written-off as bad debts. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(4) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 + Details
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- Definition Amount of loans and leases that have been written off from both loan receivables and allowance reserve for credit loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 11B -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=84173941&loc=SL6953423-111524 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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- Definition Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.7(d)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (b)(1)(ii) -URI http://asc.fasb.org/extlink&oid=82894903&loc=d3e15032-111544 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB Topic 6.L.1) -URI http://asc.fasb.org/extlink&oid=27010918&loc=d3e74567-122707 + Details
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